{"id":165,"date":"2024-08-20T10:39:08","date_gmt":"2024-08-20T01:39:08","guid":{"rendered":"https:\/\/techfun.cc\/?p=165"},"modified":"2025-06-10T11:27:38","modified_gmt":"2025-06-10T02:27:38","slug":"java_base_class","status":"publish","type":"post","link":"https:\/\/techfun.cc\/java-base\/java_base_class.html","title":{"rendered":"\u30af\u30e9\u30b9"},"content":{"rendered":"<h3 class=\"Heading Title Title--m\" id=\"Bookmark-1\"><span class=\"Num\">1.<\/span>\u672c\u7ae0\u3067\u306e\u5b66\u7fd2\u9805\u76ee<\/h3>\n<p>\u672c\u7ae0\u3067\u306f\u3001Java\u8a00\u8a9e\u306e\u4e2d\u3067\u3001\u6700\u3082\u91cd\u8981\u306a\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-2\"><span class=\"Num\">2.<\/span>\u672c\u7ae0\u306e\u8b1b\u7fa91<\/h3>\n<p>\u672c\u7ae0\u3067\u5b66\u7fd2\u3059\u308b\u5185\u5bb9\u3092\u52d5\u753b\u3068\u3057\u3066\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002\u6700\u521d\u306b\u4e00\u901a\u308a\u898b\u7d42\u308f\u3063\u305f\u5f8c\u3067\u3001\u5b66\u7fd2\u306b\u5165\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Video-block\">\n<div class=\"Video-block__title\">\u8b1b\u7fa9:\u30af\u30e9\u30b9\u2460<\/div>\n<div class=\"Video-block__video Youtube\">\n\t\t<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/PB73JZBdO7Y?si=Jm8lTyFOEAa2s6O9&#038;rel=0\"\n\t\t\ttitle=\"YouTube video player\" frameborder=\"0\"\n\t\t\tallow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n\t\t\treferrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\t<\/div>\n<\/div>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-3\"><span class=\"Num\">3.<\/span>\u30af\u30e9\u30b9<\/h3>\n<p>\u30af\u30e9\u30b9\u306f\u3001Java\u8a00\u8a9e\u306e\u4e2d\u3067\u6700\u3082\u91cd\u8981\u306a\u6587\u6cd5\u3068\u8a00\u3063\u3066\u3082\u826f\u3044\u3067\u3057\u3087\u3046\u3002<br \/>\n\u30af\u30e9\u30b9\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001Java\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u672c\u5f53\u306e\u7b2c\u4e00\u6b69\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u304b\u3089\u30af\u30e9\u30b9\u306e\u6982\u8981\u3068\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u3066\u3044\u304d\u307e\u3059\u304c\u3001<br \/>\n\u5b66\u7fd2\u306e\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3092\u66f8\u304d\u5199\u3057\u3066\u52d5\u304b\u3057\u3066\u307f\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306f\u3001\u30bd\u30fc\u30b9\u3092\u305f\u3060\u773a\u3081\u3066\u3044\u308b\u3060\u3051\u3067\u306f\u4e0a\u9054\u3057\u307e\u305b\u3093\u3002<br \/>\n\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u969b\u306b\u52d5\u304b\u3057\u306a\u304c\u3089\u3001\u305d\u306e\u51e6\u7406\u304c\u3069\u306e\u3088\u3046\u306a\u624b\u9806\u3067\u884c\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-3-1\"><span class=\"Num\">3.1.<\/span>\u30af\u30e9\u30b9\u3068\u306f<\/h4>\n<p>\u30af\u30e9\u30b9\u3068\u306f\u3001Java\u30d7\u30ed\u30b0\u30e9\u30e0\u305d\u306e\u3082\u306e\u3067\u3059\u3002Java\u3067\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5168\u3066\u300c\u30af\u30e9\u30b9\u300d\u3067\u8868\u73fe\u3057\u307e\u3059\u3002<br \/>\n\u30af\u30e9\u30b9\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u300cclass \u30af\u30e9\u30b9\u540d{\u30fb\u30fb\u30fb}\u300d\u3067\u66f8\u304b\u308c\u308b\u3072\u3068\u307e\u3068\u307e\u308a\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/classunit.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/classunit.png\" alt=\"classunit\"><br \/>\n<\/a><\/p>\n<p>Java\u3067\u69cb\u6210\u3055\u308c\u305f\u30b7\u30b9\u30c6\u30e0\u3084\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306f\u3001\u3044\u304f\u3064\u3082\u306e\u30af\u30e9\u30b9\u3067\u6210\u308a\u7acb\u3061\u3001\u5404\u30af\u30e9\u30b9\u306f\u76f8\u4e92\u306b\u3084\u308a\u3068\u308a\u3092\u3057\u306a\u304c\u3089\u51e6\u7406\u304c\u9032\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/sougosayo.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/sougosayo.png\" alt=\"sougosayo\"><br \/>\n<\/a><\/p>\n<p>Java\u306f\u3001<span class=\"Text-highlight\">\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a00\u8a9e<\/span>\u3068\u3044\u3046\u8a00\u8a9e\u3067\u3059\u3002<br \/>\n\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u8a00\u8a9e\u3067\u3042\u308bJava\u306e\u7279\u5fb4\u306e\u4e00\u3064\u3068\u3057\u3066\u3001\u4e0a\u8a18\u3067\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u30af\u30e9\u30b9\u306e\u76f8\u4e92\u3084\u308a\u3068\u308a\u306b\u3088\u3063\u3066\u3001\u4e00\u9023\u306e\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<br \/>\n\u30af\u30e9\u30b9\u540c\u58eb\u304c\u76f8\u4e92\u306b\u3084\u308a\u3068\u308a\u3092\u3057\u3066\u3044\u304d\u306a\u304c\u3089\u4e00\u9023\u306e\u51e6\u7406\u304c\u5b9f\u884c\u3055\u308c\u307e\u3059\u304c\u3001\u305d\u306e\u4e2d\u3067\u5b9f\u884c\u306e\u8d77\u70b9\u3068\u306a\u308b\u30af\u30e9\u30b9\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<br \/>\n\u3053\u308c\u4ee5\u964d\u3001\u3053\u306e\u5b9f\u884c\u306e\u8d77\u70b9\u3068\u306a\u308b\u30af\u30e9\u30b9\u3092\u300c\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u300d\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>Java\u3067\u306f\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u304c\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3084\u51e6\u7406\u3092\u5229\u7528\u3057\u306a\u304c\u3089\u3001\u81ea\u8eab\u306e\u51e6\u7406\u3092\u5b9f\u884c\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306f\u3001\u4f8b\u3048\u3070\u8a08\u7b97\u51e6\u7406\u3092\u884c\u3063\u3066\u3001\u305d\u306e\u7d50\u679c\u3092\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306b\u8fd4\u3057\u305f\u308a\u3001<br \/>\n\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u3001\u305d\u306e\u30c7\u30fc\u30bf\u306e\u30bb\u30c3\u30c8\u3092\u8fd4\u3057\u305f\u308a\u30fb\u30fb\u30fb\u3068\u4f55\u3089\u304b\u306e\u51e6\u7406\u3092\u884c\u3063\u3066\u304f\u308c\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n<p>\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306f\u3001\u81ea\u8eab\u306b\u306f\u8a18\u8ff0\u3055\u308c\u3066\u3044\u306a\u304f\u3068\u3082\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u51e6\u7406\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u51e6\u7406\u3092\u9032\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306b\u3001\u304a\u4e92\u3044\u306b\u51e6\u7406\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u91cd\u8907\u3057\u305f\u51e6\u7406\u306f\u3001\u4f55\u5ea6\u3082\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304b\u305a\u3001\u52b9\u7387\u7684\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/sougosayo2.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/sougosayo2.png\" alt=\"sougosayo2\"><br \/>\n<\/a><\/p>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-4\"><span class=\"Num\">4.<\/span>\u30af\u30e9\u30b9\u306e\u69cb\u6210<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u30af\u30e9\u30b9\u306e\u57fa\u672c\u69cb\u6210\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<br \/>\n\u30af\u30e9\u30b9\u306e\u57fa\u672c\u69cb\u6210\u306f\u3001\u30af\u30e9\u30b9\u306e\u540d\u524d\u3001\u5c5e\u6027\uff08\u5024\uff09\u3001\u64cd\u4f5c\uff08\u51e6\u7406\uff09\u306e3\u3064\u3067\u6210\u308a\u7acb\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u306e\u540d\u524d\u306f\u3001\u4eca\u307e\u3067\u5b9a\u7fa9\u3057\u3066\u304d\u305f\u3088\u3046\u306b\u300cpublic class XX\u30fb\u30fb\u30fb\u300d\u3068\u8a18\u8ff0\u3055\u308c\u305fXX\u306e\u90e8\u5206\u3067\u3059\u3002\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b\u5834\u5408\u306f\u3001\u5fc5\u305a\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u5c5e\u6027\uff08\u5024\uff09\u3068\u306f\u3001\u305d\u306e\u30af\u30e9\u30b9\u304c\u6301\u3064\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3067\u3001\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u4ee3\u5165\u3055\u308c\u305f\u5909\u6570\u3092\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u547c\u3073\u307e\u3059\u3002<br \/>\n\u64cd\u4f5c\uff08\u51e6\u7406\uff09\u306f\u3001\u8a08\u7b97\u51e6\u7406\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u306a\u3069\u3001\u4f55\u3089\u304b\u306e\u51e6\u7406\u304c\u5b9a\u7fa9\u3055\u308c\u305f\u90e8\u5206\u3067\u3001\u30e1\u30bd\u30c3\u30c9\u3068\u547c\u3073\u307e\u3059\u3002<br \/>\n\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30af\u30e9\u30b9\u306e\u30e1\u30f3\u30d0\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/classkousei.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/classkousei.png\" alt=\"classkousei\"><br \/>\n<\/a><\/p>\n<p>\u30af\u30e9\u30b9\u306b\u306f\u3001\u30af\u30e9\u30b9\u540d\u304c\u5fc5\u305a\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u306f\u8a18\u8ff0\u3057\u306a\u304f\u3066\u3082\u30a8\u30e9\u30fc\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<br \/>\n\u901a\u5e38\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306f\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u305d\u306e\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u5229\u7528\u3057\u305f\u308a\u3001\u30e1\u30bd\u30c3\u30c9\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u4f55\u3089\u304b\u306e\u51e6\u7406\u3092\u3057\u3001\u305d\u306e\u7d50\u679c\u3092\u53d7\u3051\u53d6\u3063\u305f\u308a\u3068\u3044\u3063\u305f\u3084\u308a\u3068\u308a\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u30af\u30e9\u30b9\u306e\u5229\u7528\u306e\u4ed5\u65b9\u306f\u3001\u5f8c\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-4-1\"><span class=\"Num\">4.1.<\/span>\u30d5\u30a3\u30fc\u30eb\u30c9<\/h4>\n<p>\u307e\u305a\u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u304b\u3089\u8aac\u660e\u3057\u307e\u3059\u3002<br \/>\n\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001\u5909\u6570\u3067\u3059\u3002\u5909\u6570\u306f\u3001\u3059\u3067\u306b\u5b66\u7fd2\u3057\u305f\u3088\u3046\u306b\u3001\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u683c\u7d0d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u547c\u3070\u308c\u308b\u5909\u6570\u306f\u3001\u30af\u30e9\u30b9\u30d6\u30ed\u30c3\u30af\u5185\uff08\u30af\u30e9\u30b9\u306e\u300c{}\u4e2d\u62ec\u5f27\u300d\u306e\u4e2d\uff09\u3067\u5ba3\u8a00\u3055\u308c\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u683c\u7d0d\u3055\u308c\u305f\u30c7\u30fc\u30bf\uff08\u5024\uff09\u306f\u3001\u30af\u30e9\u30b9\u5168\u4f53\u3067\u6709\u52b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u3084if\u6587\u3001for\u6587\u306a\u3069\u8272\u3005\u306a\u300c{}\u4e2d\u62ec\u5f27\u300d\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3069\u306e\u300c{}\u4e2d\u62ec\u5f27\u300d\u306e\u4e2d\u3067\u66f8\u304b\u308c\u305f\u304b\u306b\u3088\u308a\u3001\u6709\u52b9\u7bc4\u56f2\u304c\u5909\u308f\u308a\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3092\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u3068\u547c\u3073\u307e\u3059\u3002<br \/>\n\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u3057\u3066\u5ba3\u8a00\u3055\u308c\u305f\u5909\u6570\u306f\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u304b\u3089\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u5909\u6570\u306b\u7c21\u6613\u7684\u306a\u540d\u524d\uff08x\u3084y\u306a\u3069\uff09\u3092\u4ed8\u3051\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u958b\u767a\u3067\u306f\u3001\u3069\u3093\u306a\u5024\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u5909\u6570\u306a\u306e\u304b\u3001\u4e00\u76ee\u3067\u5206\u304b\u308b\u3088\u3046\u306a\u540d\u524d\u306b\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5b9a\u7fa9\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u66f8\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002\u5b9a\u7fa9\u306e\u4ed5\u65b9\u306f\u3001\u5909\u6570\u306e\u5ba3\u8a00\u306e\u4ed5\u65b9\u3068\u540c\u3058\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>public class \u30af\u30e9\u30b9\u540d {\r\n\t\u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5b9a\u7fa9;\r\n\t\u30d5\u30a3\u30fc\u30eb\u30c9y\u306e\u5b9a\u7fa9;\r\n}<\/code><\/pre>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u66f8\u304f\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>public class FieldClass {\r\n\tint x; \/\/ \u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5b9a\u7fa9\r\n\tString y; \/\/ \u30d5\u30a3\u30fc\u30eb\u30c9y\u306e\u5b9a\u7fa9\r\n}<\/code><\/pre>\n<p>\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u306f\u3001\u7c21\u5358\u3067\u3059\u304c\u3001\u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n<div class=\"Information-block\">\n<div class=\"Information-heading\">\n<div class=\"Google-icon Google-icon--information\"><\/div>\n<div class=\"Information-heading__child\">Information<\/div>\n<\/p><\/div>\n<div class=\"Heading Title Title--xs\">\u5909\u6570\u306e\u30b9\u30b3\u30fc\u30d7\u3068\u306f<\/div>\n<p>\t\u5909\u6570\u306e\u6709\u52b9\u7bc4\u56f2\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3092\u3001\u5909\u6570\u306e\u30b9\u30b3\u30fc \u30d7\u3068\u547c\u3073\u3001\u5909\u6570\u3092\u6271\u3046\u3068\u304d\u306b\u306f\u3001\u3088\u304f\u7406\u89e3\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\t\u5909\u6570\u306f\u3001\u300c{}\u300d\u3067\u56f2\u307e\u308c\u305f\u4e2d\u3067\u5b9a\u7fa9\u3092\u3059\u308b\u3068\u3001\u305d\u306e\u56f2\u307e\u308c\u305f\u4e2d\u3067\u306e\u307f\u6709\u52b9\u3068\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u5916\u5074\u3067\u306f\u3001\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\t\u62ec\u5f27\u5185\u306e\u51e6\u7406\u304c\u7d42\u4e86\u3059\u308b\u3068\u3001\u305d\u306e\u5909\u6570\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u3084\u304c\u3066\u30e1\u30e2\u30ea\u30fc\u4e0a\u304b\u3089\u3082\u6d88\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\t\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001\u30af\u30e9\u30b9\u306e\u300c{}\u300d\u306e\u4e2d\u3067\u6709\u52b9\u3068\u306a\u308a\u307e\u3059\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u4ee5\u5916\u306e\u5909\u6570\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u3068\u547c\u3070\u308c\u307e\u3059\u3002<br \/>\n\t\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u306f\u3001\u521d\u671f\u5316\u3092\u305b\u305a\u306b\u4f7f\u3046\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u4f7f\u7528\u3059\u308b\u524d\u306b\u5fc5\u305a\u5024\u3092\u4ee3\u5165\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n<p>\t<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/scope.png\"><br \/>\n\t\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/scope.png\" alt=\"scope\"><br \/>\n\t<\/a>\n<\/div>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-4-2\"><span class=\"Num\">4.2.<\/span>\u30e1\u30bd\u30c3\u30c9<\/h4>\n<p>\u6b21\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30bd\u30c3\u30c9\u3068\u306f\u3001\u8a08\u7b97\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306a\u3069\u3001\u4f55\u3089\u304b\u306e\u51e6\u7406\u304c\u5207\u308a\u51fa\u3055\u308c\u305f\u90e8\u5206\u3067\u3059\u3002<br \/>\n\u305d\u306e\u4e00\u307e\u3068\u307e\u308a\u306e\u51e6\u7406\u306b\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u3064\u3051\u3001\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u30af\u30e9\u30b9\u3001\u3082\u3057\u304f\u306f\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u304b\u3089\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<h5 class=\"Heading Title Title--xs\" id=\"Bookmark-4-2-1\"><span class=\"Num\">4.2.1.<\/span>\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9<\/h5>\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u5b9a\u7fa9\u9806\u5e8f\u306f\u3001\u5fc5\u305a\u3057\u3082\u3053\u306e\u3068\u304a\u308a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<ol class=\"Base-list Base-list--ol\">\n<li class=\"Base-list__child\">\n\t\t\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u5b9a\u7fa9<br \/>\n\t\t\u307e\u305a\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u540d\u524d\u3092\u4ed8\u3051\u307e\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u306e\u540d\u524d\u306f\u4efb\u610f\u3067\u3059\u304c\u3001Java\u306e\u547d\u540d\u898f\u5247\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u4e88\u7d04\u8a9e\u306a\u3069\u306f\u4f7f\u7528\u3057\u306a\u3044\u3088\u3046\u6c17\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<br \/>\n\t\t\u307e\u305f\u3001\u5909\u6570\u3068\u540c\u69d8\u306b\u3001\u30e1\u30bd\u30c3\u30c9\u3082\u30b5\u30f3\u30d7\u30eb\u3067\u306f\u7c21\u6613\u7684\u306a\u540d\u524d\u3092\u4ed8\u3051\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u969b\u306e\u958b\u767a\u3067\u306f\u3001\u3069\u3093\u306a\u51e6\u7406\u3092\u884c\u3046\u306e\u304b\u4e00\u76ee\u3067\u5206\u304b\u308b\u3088\u3046\u306a\u540d\u524d\u306b\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n<p>\t\t<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodname.png\"><br \/>\n\t\t\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodname.png\" alt=\"methodname\"><br \/>\n\t\t<\/a><\/p>\n<\/li>\n<li class=\"Base-list__child\">\n\t\t\u5f15\u6570\u7528()\u306e\u8a18\u8ff0<br \/>\n\t\t\u30e1\u30bd\u30c3\u30c9\u306e\u540d\u524d\u306e\u5f8c\u308d\u306b\u306f\u3001\u300c() \u62ec\u5f27\u300d\u3092\u66f8\u304d\u307e\u3059\u3002\u3053\u306e\u62ec\u5f27\u306f\u3001\u5f15\u6570\u3067\u4f7f\u7528\u3057\u307e\u3059\u304c\u3001\u8a73\u7d30\u306f\u5f8c\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\t\t<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodkakko.png\"><br \/>\n\t\t\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodkakko.png\" alt=\"methodkakko\"><br \/>\n\t\t<\/a><\/p>\n<\/li>\n<li class=\"Base-list__child\">\n\t\t\u51e6\u7406\u7528\u306e{}\u3068\u51e6\u7406\u306e\u8a18\u8ff0<br \/>\n\t\t\u300c() \u62ec\u5f27\u300d\u306e\u5f8c\u306f\u300c{} \u4e2d\u62ec\u5f27\u300d\u3092\u66f8\u304d\u3001\u3053\u306e\u4e2d\u62ec\u5f27\u306e\u4e2d\u306b\u30e1\u30bd\u30c3\u30c9\u306e\u51e6\u7406\u3092\u66f8\u304d\u307e\u3059\u3002<br \/>\n\t\t\u30e1\u30bd\u30c3\u30c9\u306e\u51e6\u7406\u306f\u3001\u8a08\u7b97\u51e6\u7406\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u306a\u3069\u69d8\u3005\u306a\u51e6\u7406\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\t\t\u305d\u3057\u3066\u3001\u901a\u5e38\u3001\u4e00\u756a\u6700\u5f8c\u306breturn\u6587\u3068\u3044\u3046\u69cb\u6587\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\t\t\u3053\u306ereturn\u6587\u306f\u3001\u8a08\u7b97\u3084\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u53d6\u5f97\u3057\u305f\u30c7\u30fc\u30bf\u306a\u3069\u51e6\u7406\u3057\u305f\u7d50\u679c\u306e\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u3001\u547c\u3073\u51fa\u3057\u5143\u3067\u3042\u308b\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306b\u623b\u3057\u307e\u3059\u3002<br \/>\n\t\t\u3053\u308c\u3092\u623b\u308a\u5024\u3068\u547c\u3073\u307e\u3059\u3002\u623b\u308a\u5024\u306e\u8a73\u7d30\u306f\u3001\u5f8c\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\t\t<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodkakko2.png\"><br \/>\n\t\t\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodkakko2.png\" alt=\"methodkakko2\"><br \/>\n\t\t<\/a>\n\t<\/li>\n<li class=\"Base-list__child\">\n\t\t\u623b\u308a\u5024\u306e\u578b\u306e\u5b9a\u7fa9<br \/>\n\t\t\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u540d\u524d\u306e\u524d\u306b\u3001\u623b\u308a\u5024\u306e\u578b\u3092\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\t\t<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodkata.png\"><br \/>\n\t\t\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodkata.png\" alt=\"methodkata\"><br \/>\n\t\t<\/a>\n\t<\/li>\n<\/ol>\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u66f8\u5f0f\u3092\u307e\u3068\u3081\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u623b\u308a\u5024\u306e\u578b \u30e1\u30bd\u30c3\u30c9\u540d(\u5f15\u6570\u30ea\u30b9\u30c8) {\r\n\t\u51e6\u7406;\r\n\treturn\u6587;\r\n}\r\n<\/code><\/pre>\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u8a18\u8ff0\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002\u300cgetSum\u300d\u3068\u3044\u3046\u30e1\u30bd\u30c3\u30c9\u540d\u3067\u3001\u51e6\u7406\u306f\u3001int\u578b\u306e\u5909\u6570sum\u306b1&#43;2&#43;3\u306e\u7d50\u679c6\u3092\u4ee3\u5165\u3057\u3001\u305d\u306e\u5909\u6570sum\u306e\u50246\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u623b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u623b\u308a\u5024\u304cint\u578b\u306a\u306e\u3067\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u300cgetSum\u300d\u306e\u524d\u306f\u3001\u300cint\u300d\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/method.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/method.png\" alt=\"method\"><br \/>\n<\/a><\/p>\n<h5 class=\"Heading Title Title--xs\" id=\"Bookmark-4-2-2\"><span class=\"Num\">4.2.2.<\/span>void<\/h5>\n<p>\u3055\u3066\u3001\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u623b\u308a\u5024\u3092\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306b\u623b\u3059return\u6587\u304c\u6700\u5f8c\u306b\u8a18\u8ff0\u3055\u308c\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u524d\u306b\u623b\u308a\u5024\u306e\u578b\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<br \/>\n\u3057\u304b\u3057\u3001\u623b\u308a\u5024\u304c\u306a\u3044\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u767b\u9332\u3059\u308b\u51e6\u7406\u3067\u3001<br \/>\n\u7d50\u679c\u3092\u4f55\u3082\u623b\u3059\u5fc5\u8981\u304c\u306a\u3044\u5834\u5408\u3084\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u51e6\u7406\u306e\u4e2d\u3067\u7d50\u679c\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\uff08System.out.println()\uff09\u3059\u308c\u3070\u826f\u3044\u5834\u5408\u306a\u3069\u3067\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306a\u51e6\u7406\u306e\u5834\u5408\u306b\u306f\u3001\u623b\u308a\u5024\u304c\u5fc5\u8981\u306a\u3044\u305f\u3081\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u524d\u306b\u623b\u308a\u5024\u306e\u578b\u306b\u306f\u3001void\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\u623b\u308a\u5024\u304c\u306a\u3044\u5834\u5408\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u66f8\u5f0f\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>void \u30e1\u30bd\u30c3\u30c9\u540d(\u5f15\u6570\u30ea\u30b9\u30c8) {\r\n\t\u51e6\u7406;\r\n}<\/code><\/pre>\n<p>\u623b\u308a\u5024\u304c\u306a\u3044\u5834\u5408\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u8a18\u8ff0\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodvoid.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/methodvoid.png\" alt=\"methodvoid\"><br \/>\n<\/a><\/p>\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u5229\u7528\u306b\u3064\u3044\u3066\u306f\u3001\u5f8c\u8ff0\u3057\u307e\u3059\u3002\u307e\u305a\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3067\u30d5\u30a3\u30fc\u30eb\u30c9\u3084\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\u65b9\u6cd5\u3092\u5fa9\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-4-3\"><span class=\"Num\">4.3.<\/span>\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9<\/h4>\n<p>\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u306f\u3001\u30af\u30e9\u30b9\u306e\u540d\u524d\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u307e\u3059\u3002<br \/>\n\u623b\u308a\u5024\u3042\u308a\u306e\u5834\u5408\u3068\u623b\u308a\u5024\u306a\u3057\u306e\u5834\u5408\u306e2\u30d1\u30bf\u30fc\u30f3\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u3069\u3061\u3089\u3082\u5b9f\u884c\u3059\u308b\u30af\u30e9\u30b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u3053\u308c\u3089\u306e\u30af\u30e9\u30b9\u306f\u3001\u5b9f\u884c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305a\u3001\u623b\u308a\u5024\u3042\u308a\u306e\u5834\u5408\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">ClassStudy1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ClassStudy1 { \/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\r\n\r\n\tint x = 10; \/\/ \u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5ba3\u8a00\u3068\u4ee3\u5165\r\n\r\n\tint getSum() { \/\/ getSum\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\uff08\u623b\u308a\u5024\u306fint\u578b\uff09\r\n\t\tint sum = 1 + 2 + 3; \/\/ \u30ed\u30fc\u30ab\u30eb\u5909\u6570sum\u306b1+2+3\u306e\u7d50\u679c\u3092\u4ee3\u5165\r\n\t\treturn sum; \/\/ sum\u3092\u547c\u3073\u51fa\u3057\u5143\u30af\u30e9\u30b9\u306breturn\r\n\t}\r\n}<\/code><\/pre>\n<p>\u6b21\u306b\u623b\u308a\u5024\u306a\u3057\u306e\u5834\u5408\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">ClassStudy2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ClassStudy2 { \/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\r\n\r\n\tint x = 10; \/\/ \u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5ba3\u8a00\u3068\u4ee3\u5165\r\n\r\n\tvoid printSum() { \/\/ printSum\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\uff08\u623b\u308a\u5024\u306a\u3057\uff09\r\n\t\tint sum = 1 + 2 + 3; \/\/ \u30ed\u30fc\u30ab\u30eb\u5909\u6570sum\u306b1+2+3\u306e\u7d50\u679c\u3092\u4ee3\u5165\r\n\t\tSystem.out.println(sum); \/\/ sum\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\r\n\t}\r\n}<\/code><\/pre>\n<p>\u3069\u308c\u304c\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u3001\u3069\u308c\u304c\u30e1\u30bd\u30c3\u30c9\u304b\u3001\u3059\u3050\u306b\u5206\u304b\u3063\u305f\u3067\u3057\u3087\u3046\u304b\u3002\u5206\u304b\u3089\u306a\u3044\u3088\u3046\u3067\u3057\u305f\u3089\u3001\u518d\u5ea6\u5fa9\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-5\"><span class=\"Num\">5.<\/span>\u672c\u7ae0\u306e\u8b1b\u7fa92<\/h3>\n<p>\u672c\u7ae0\u3067\u5b66\u7fd2\u3059\u308b\u5185\u5bb9\u3092\u52d5\u753b\u3068\u3057\u3066\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002\u6700\u521d\u306b\u4e00\u901a\u308a\u898b\u7d42\u308f\u3063\u305f\u5f8c\u3067\u3001\u5b66\u7fd2\u306b\u5165\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Video-block\">\n<div class=\"Video-block__title\">\u8b1b\u7fa9:\u30af\u30e9\u30b9\u2461<\/div>\n<div class=\"Video-block__video Youtube\">\n\t\t<iframe loading=\"lazy\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/6SU2jxtpZAw?si=cro3w0GkdAoKJ75n&#038;rel=0\"\n\t\t\ttitle=\"YouTube video player\" frameborder=\"0\"\n\t\t\tallow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n\t\t\treferrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n\t<\/div>\n<\/div>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-6\"><span class=\"Num\">6.<\/span>\u30af\u30e9\u30b9\u306e\u5229\u7528<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3082\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3068\u540c\u69d8\u306b\u3001\u30af\u30e9\u30b9\u540d\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30e1\u30bd\u30c3\u30c9\u3067\u69cb\u6210\u3055\u308c\u307e\u3059\u304c\u3001\u5b9f\u884c\u306e\u51e6\u7406\u3092\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u3068\u3044\u3046\u7279\u5225\u306a\u30e1\u30bd\u30c3\u30c9\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u306f\u3001\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3001\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-6-1\"><span class=\"Num\">6.1.<\/span>\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9<\/h4>\n<p>\u3053\u308c\u307e\u3067\u3001\u5b9f\u884c\u3059\u308b\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3068\u304d\u306b\u306f\u3001\u5fc5\u305a\u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u306e\u5f8c\u306b\u3001\u300cpublic static void main(String[] args){\u30fb\u30fb\u30fb}\u300d\u3068\u3044\u3046\u8a18\u8ff0\u3092\u3057\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\n\u5b9f\u306f\u3001\u3053\u308c\u304c\u5b9f\u884c\u3059\u308b\u30af\u30e9\u30b9\u306b\u5fc5\u8981\u306a\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<br \/>\n\u3053\u306e\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u304c\u3042\u308b\u30af\u30e9\u30b9\u3060\u3051\u304c\u3001\u5b9f\u884c\u3067\u304d\u308b\u30af\u30e9\u30b9\u3067\u3059\u3002<br \/>\n\u5b9f\u884c\u306e\u64cd\u4f5c\u3092\u3059\u308b\u3068\u3001\u307e\u305a\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u306e\u3068\u3053\u308d\u304b\u3089\u51e6\u7406\u304c\u59cb\u307e\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u3001\u5229\u7528\u3055\u308c\u308b\u3060\u3051\u306e\u30af\u30e9\u30b9\u306f\u3001\u3053\u306e\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u3092\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u306e\u30e1\u30bd\u30c3\u30c9\u540d\u306f\u3001\u300cmain\u300d\u3068\u306a\u308a\u307e\u3059\u3002\u300cvoid\u300d\u306f\u3001\u5148\u307b\u3069\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u3001\u623b\u308a\u5024\u304c\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002\u300cpublic\u300d\u3068\u300cstatic\u300d\u306e\u8a18\u8ff0\u306b\u3064\u3044\u3066\u306f\u3001\u307e\u305f\u5f8c\u7a0b\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/mainmethod.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/mainmethod.png\" alt=\"mainmethod\"><br \/>\n<\/a><\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-6-2\"><span class=\"Num\">6.2.<\/span>\u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316<\/h4>\n<p>\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u51e6\u7406\u304c\u59cb\u307e\u308a\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3001\u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3068\u3044\u3046\u624b\u7d9a\u304d\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u66f8\u5f0f\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u5229\u7528\u3057\u305f\u3044\u30af\u30e9\u30b9\u540d \u53c2\u7167\u5909\u6570\u540d = new \u5229\u7528\u3057\u305f\u3044\u30af\u30e9\u30b9\u540d();<\/code><\/pre>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u66f8\u304f\u3068\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3068\u306a\u308a\u307e\u3059\u3002\u5148\u307b\u3069\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3067\u4f5c\u6210\u3057\u305f\u300cClassStudy1\u300d\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">RiyoClass.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoClass {\r\n\tpublic static void main(String[] args) { \/\/ \u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\r\n\t\tClassStudy1 cs1 = new ClassStudy1(); \/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t}\r\n}<\/code><\/pre>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/instance.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/instance.png\" alt=\"instance\"><br \/>\n<\/a><\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u3053\u306e\u8a18\u8ff0\u306e\u5de6\u8fba\u304b\u3089\u8aac\u660e\u3057\u307e\u3059\u3002\u5de6\u8fba\u306f\u3001\u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u90e8\u3067\u3059\u3002\u5909\u6570\u306e\u5ba3\u8a00\u3092\u601d\u3044\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u300cint x\u300d\u306e\u3088\u3046\u306b\u3001\u30c7\u30fc\u30bf\u578b\u3068\u5909\u6570\u540d\u3067\u5ba3\u8a00\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u4ed6\u306e\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u3068\u304d\u3082\u540c\u69d8\u306e\u5ba3\u8a00\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4e0a\u8a18\u306e\u30b5\u30f3\u30d7\u30eb\u3067\u898b\u308b\u3068\u3001\u300cClassStudy1\u300d\u304c\u30af\u30e9\u30b9\u306e\u578b\u3067\u3001\u300ccs1\u300d\u304c\u5909\u6570\u540d\u3067\u3059\u3002<br \/>\n\u578b\u304c\u30af\u30e9\u30b9\u306e\u578b\u306e\u5834\u5408\u3001\u305d\u306e\u578b\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u5909\u6570\u3092\u53c2\u7167\u5909\u6570\u3068\u547c\u3073\u307e\u3059\u3002\u5b9a\u7fa9\u3055\u308c\u305f\u30af\u30e9\u30b9\u306f\u3001\u3042\u304f\u307e\u3067\u3082\u578b\u3067\u3042\u308a\u3001\u5b9f\u969b\u306b\u5229\u7528\u3059\u308b\u3068\u304d\u306b\u306f\u3001\u5909\u6570\u3068\u3057\u3066\u5ba3\u8a00\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6b21\u306b\u3001\u53f3\u8fba\u306e\u8aac\u660e\u3067\u3059\u3002\u53f3\u8fba\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3068\u3044\u3046\u3053\u3068\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3068\u306f\u3001\u5909\u6570\u306e\u521d\u671f\u5316\u3068\u540c\u69d8\u3067\u3059\u3002\u5909\u6570\u306f\u3001\u5ba3\u8a00\u3092\u3057\u3066\u3082\u521d\u671f\u5316\u3092\u3057\u3066\u3044\u306a\u3044\u3068\u4f7f\u7528\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\u521d\u671f\u5316\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u5909\u6570\u7528\u306e\u30e1\u30e2\u30ea\u304c\u304d\u3061\u3093\u3068\u78ba\u4fdd\u3055\u308c\u308b\u305f\u3081\u3067\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u4f55\u304b\u304c\u4ee3\u5165\u3055\u308c\u3066\u521d\u3081\u3066\u3001\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u306f\u3001\u521d\u671f\u5316\u3068\u540c\u69d8\u300cnew\u30af\u30e9\u30b9\u540d()\u300d\u3092\u3059\u308b\u3053\u3068\u3067\u3001\u305d\u306e\u30af\u30e9\u30b9\u306e\u578b\u306e\u30e1\u30e2\u30ea\u304c\u6e96\u5099\u3055\u308c\u307e\u3059\u3002<br \/>\n\u3053\u306e\u30e1\u30e2\u30ea\u304c\u6e96\u5099\u3055\u308c\u308b\u3053\u3068\u3092\u300c\u5b9f\u4f53\u3092\u6301\u3064\u300d\u3068\u547c\u3093\u3060\u308a\u3057\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u30af\u30e9\u30b9\u306e\u578b\u306b\u57fa\u3065\u3044\u3066\u5b9f\u4f53\u3092\u6301\u3063\u305f\u30af\u30e9\u30b9\u306e\u5909\u6570\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u547c\u3073\u307e\u3059\u3002<br \/>\n\u4ed6\u306e\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u3068\u304d\u306f\u3001\u3053\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u884c\u3044\u3001\u5b9f\u4f53\u3092\u6301\u3063\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5909\u6570\u306b\u4ee3\u5165\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u305d\u306e\u30af\u30e9\u30b9\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-6-3\"><span class=\"Num\">6.3.<\/span>\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u5229\u7528<\/h4>\n<p>\u3055\u3066\u3001\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3057\u305f\u5f8c\u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3069\u306e\u3088\u3046\u306b\u5229\u7528\u3059\u308b\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u6700\u521d\u306b\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5229\u7528\u3067\u3059\u3002\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5229\u7528\u306f\u3001\u4ee5\u4e0b\u306e\u66f8\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u5148\u307b\u3069\u3064\u3051\u305f\u30af\u30e9\u30b9\u306e\u5909\u6570\u540d\u306b\u300c.\uff08\u30c9\u30c3\u30c8\uff09\u300d\u3001\u305d\u3057\u3066\u5229\u7528\u3057\u305f\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u53c2\u7167\u5909\u6570\u540d.\u30d5\u30a3\u30fc\u30eb\u30c9\u540d;<\/code><\/pre>\n<p>\u6b21\u306b\u30e1\u30bd\u30c3\u30c9\u306e\u5229\u7528\u3067\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u306e\u5229\u7528\u306f\u3001\u4ee5\u4e0b\u306e\u66f8\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002\u30e1\u30bd\u30c3\u30c9\u306e\u5229\u7528\u3082\u3001\u30af\u30e9\u30b9\u306e\u5909\u6570\u540d\u306b\u300c.\uff08\u30c9\u30c3\u30c8\uff09\u300d\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u53c2\u7167\u5909\u6570\u540d.\u30e1\u30bd\u30c3\u30c9\u540d();<\/code><\/pre>\n<p>\u30d5\u30a3\u30fc\u30eb\u30c9\u3082\u30e1\u30bd\u30c3\u30c9\u3082\u3001\u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3067\u5b9a\u7fa9\u3057\u305f\u53c2\u7167\u5909\u6570\u540d\u306b\u300c.\uff08\u30c9\u30c3\u30c8\uff09\u300d\u3092\u8a18\u8ff0\u3057\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u3068\u8a18\u8ff0\u3059\u308b\u3068\u3044\u3046\u70b9\u3067\u306f\u3001\u4f3c\u305f\u3088\u3046\u306a\u8a18\u8ff0\u306e\u4ed5\u65b9\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u305f\u3060\u3057\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u5f8c\u306b\u5fc5\u305a\u300c() \u62ec\u5f27\u300d\u3092\u4ed8\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/fieldmethod.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/fieldmethod.png\" alt=\"fieldmethod\"><br \/>\n<\/a><\/p>\n<p>\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u306e\u5229\u7528\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3067\u5b9a\u7fa9\u3057\u305f\u300cClassStudy1\u300d\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3001\u305d\u306e\u30af\u30e9\u30b9\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u300cx\u300d\u3068\u30e1\u30bd\u30c3\u30c9\u300cgetSum\u300d\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">RiyoClass.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoClass {\r\n\tpublic static void main(String[] args) {\r\n\t\tClassStudy1 cs1 = new ClassStudy1(); \/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t\tint y = cs1.x; \/\/ ClassStudy1\u30af\u30e9\u30b9\u306e\u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5229\u7528\r\n\t\tint z = cs1.getSum(); \/\/ ClassStudy1\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9getSum()\u306e\u5229\u7528\r\n\t}\r\n}<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-6-4\"><span class=\"Num\">6.4.<\/span>\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9<\/h4>\n<p>\u305d\u308c\u3067\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3068\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3092\u5fa9\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u307e\u305a\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Pre-title\">ClassStudy1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ClassStudy1 {\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5ba3\u8a00\u3068\u4ee3\u5165\r\n\tint x = 10;\r\n\r\n\t\/\/ getSum\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\uff08\u623b\u308a\u5024\u306f\u3001int\u578b\uff09\r\n\tint getSum() {\r\n\t\t\/\/ \u30ed\u30fc\u30ab\u30eb\u5909\u6570sum\u306b1+2+3\u306e\u7d50\u679c\u3092\u4ee3\u5165\r\n\t\tint sum = 1 + 2 + 3;\r\n\r\n\t\t\/\/ sum\u3092\u547c\u3073\u51fa\u3057\u5143\u30af\u30e9\u30b9\u306breturn\r\n\t\treturn sum;\r\n\t}\r\n}<\/code><\/pre>\n<p>\u6b21\u306b\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">RiyoClass1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoClass1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t\tClassStudy1 cs1 = new ClassStudy1();\r\n\r\n\t\t\/\/ ClassStudy1\u306e\u30d5\u30a3\u30fc\u30eb\u30c9x\u3092\u5229\u7528\u3057\u3001\u305d\u306e\u502410\u3092\u51fa\u529b\r\n\t\tSystem.out.println(cs1.x);\r\n\r\n\t\t\/\/ ClassStudy1\u306e\u30e1\u30bd\u30c3\u30c9getSum\u3092\u5229\u7528\u3057\u3001\u5909\u6570sum\u306e\u50246\u3092\u51fa\u529b\r\n\t\tSystem.out.println(cs1.getSum());\r\n\t}\r\n}<\/code><\/pre>\n<p>\u300ccs1.x\u300d\u306f\u3001ClassStudy1\u30af\u30e9\u30b9\u306e\u5909\u6570x\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u305d\u306e\u5909\u6570x\u306e\u502410\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<br \/>\n\u300ccs1.x\u300d\u3092\u305d\u306e\u307e\u307e\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u3068\u300110\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<br \/>\n\u300ccs1.getSum()\u300d\u306f\u3001ClassStudy1\u30af\u30e9\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u300cgetSum()\u300d\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30e1\u30bd\u30c3\u30c9\u300cgetSum()\u300d\u306f\u3001\u5909\u6570sum\u306e\u5024\uff081&#43;2&#43;3=6\uff09\u304c\u623b\u308a\u5024\u3068\u3057\u3066\u623b\u3055\u308c\u308b\u306e\u3067\u30016\u304c\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u300ccs1.getSum()\u300d\u3092\u305d\u306e\u307e\u307e\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u3068\u30016\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3082\u3046\u4e00\u3064\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"Pre-title\">RiyoClass2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoClass2 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t\tClassStudy1 cs1 = new ClassStudy1();\r\n\r\n\t\t\/\/ ClassStudy1\u306e\u30d5\u30a3\u30fc\u30eb\u30c9x\u3092\u5229\u7528\u3057\u3001\u305d\u306e\u502410\u3092\u5909\u6570y\u306b\u4ee3\u5165\r\n\t\tint y = cs1.x;\r\n\r\n\t\t\/\/ ClassStudy1\u306e\u30e1\u30bd\u30c3\u30c9getSum\u3092\u5229\u7528\u3057\u3001\u5909\u6570sum\u306e\u50246\u3092\u5909\u6570z\u306b\u4ee3\u5165\r\n\t\tint z = cs1.getSum();\r\n\r\n\t\t\/\/\u300ccs1.x\u306f\u300110\u3067\u3059\u300d\u3092\u51fa\u529b\r\n\t\tSystem.out.println(\"cs1.x\u306f\u3001\" + y + \"\u3067\u3059\");\r\n\r\n\t\t\/\/ \u300ccs1.getSum()\u306f\u30016\u3067\u3059\u300d\u3092\u51fa\u529b\r\n\t\tSystem.out.println(\"cs1.getSum()\u306f\u3001\" + z + \"\u3067\u3059\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u306f\u3001\u300ccs1.x\u300d\u306e10\u306e\u5024\u3092\u305d\u306e\u307e\u307e\u5909\u6570y\u306b\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u300ccs1.getSum()\u300d\u3082\u540c\u69d8\u306b\u5909\u6570z\u306b\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306b\u3001\u53d6\u5f97\u3057\u305f\u5024\u3092\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3067\u5909\u6570\u306b\u4ee3\u5165\u3057\u3066\u5229\u7528\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3068\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u306f\u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-7\"><span class=\"Num\">7.<\/span>\u623b\u308a\u5024\u3068\u5f15\u6570<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u623b\u308a\u5024\uff08\u3082\u3069\u308a\u3061\uff09\u3068\u5f15\u6570\uff08\u3072\u304d\u3059\u3046\uff09\u306b\u3064\u3044\u3066\u3001\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u623b\u308a\u5024\u3068\u5f15\u6570\u306f\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3068\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u9593\u3067\u3084\u308a\u3068\u308a\u3055\u308c\u308b\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3067\u3059\u3002<br \/>\n\u30af\u30e9\u30b9\u540c\u58eb\u3067\u30c7\u30fc\u30bf\uff08\u5024\uff09\u304c\u3084\u308a\u3068\u308a\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u304a\u4e92\u3044\u306e\u51e6\u7406\u304c\u9032\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u623b\u308a\u5024\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u304b\u3089\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306b\u6e21\u3055\u308c\u308b\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3067\u3059\u3002<br \/>\n\u5f15\u6570\u306f\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u304b\u3089\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306b\u6e21\u3055\u308c\u308b\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3067\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/hikisu.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/hikisu.png\" alt=\"hikisu\"><br \/>\n<\/a><\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-7-1\"><span class=\"Num\">7.1.<\/span>\u623b\u308a\u5024<\/h4>\n<p>\u307e\u305a\u306f\u3001\u623b\u308a\u5024\u306e\u5b66\u7fd2\u3067\u3059\u3002<\/p>\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u4e2d\u306breturn\u6587\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306b\u623b\u308a\u5024\u3068\u3057\u3066\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u53d7\u3051\u6e21\u3057\u307e\u3059\u3002<br \/>\nreturn\u6587\u306e\u5f8c\u308d\u306b\u3001\u547c\u3073\u51fa\u3057\u5143\u3078\u623b\u3057\u305f\u3044\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\u57fa\u672c\u30c7\u30fc\u30bf\u578b\u306e\u5909\u6570\u3067\u3082\u30af\u30e9\u30b9\u578b\u306e\u53c2\u7167\u5909\u6570\u3067\u3082\u3001\u623b\u308a\u5024\u3068\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002sum\u306e\u5024\uff086\uff09\u304c\u623b\u308a\u5024\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">ClassStudy1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ClassStudy1 {\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5ba3\u8a00\u3068\u4ee3\u5165\r\n\tint x = 10;\r\n\r\n\t\/\/ getSum()\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\uff08\u623b\u308a\u5024\u306f\u3001int\u578b\uff09\r\n\tint getSum() {\r\n\t\t\/\/ \u30ed\u30fc\u30ab\u30eb\u5909\u6570sum\u306b1+2+3\u306e\u7d50\u679c\u3092\u4ee3\u5165\r\n\t\tint sum = 1 + 2 + 3;\r\n\r\n\t\t\/\/ sum\u3092\u547c\u3073\u51fa\u3057\u5143\u30af\u30e9\u30b9\u306breturn \u2190sum\u304c\u623b\u308a\u5024\r\n\t\treturn sum;\r\n\t}\r\n}<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-7-2\"><span class=\"Num\">7.2.<\/span>\u5f15\u6570<\/h4>\n<p>\u6b21\u306b\u5f15\u6570\u3092\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u884c\u6642\u306b\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3078\u5f15\u6570\u3092\u5f15\u304d\u6e21\u3059\u306b\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u540d\u524d\u306e\u5f8c\u308d\u306b\u3042\u308b\u300c() \u62ec\u5f27\u300d\u306e\u4e2d\u306b\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\u300c() \u62ec\u5f27\u300d\u306e\u4e2d\u306b\u8907\u6570\u306e\u5f15\u6570\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u8907\u6570\u306e\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u5f15\u304d\u6e21\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u3092\u3057\u307e\u3059\u3002<br \/>\n\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u304b\u3089\u5f15\u304d\u6e21\u3055\u308c\u3066\u304f\u308b\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308c\u308b\u3088\u3046\u306b\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u5f8c\u308d\u306e\u300c() \u62ec\u5f27\u300d\u306b\u3001\u5909\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u30e1\u30bd\u30c3\u30c9\u540d(\u578b \u5909\u65701, \u578b \u5909\u65702, \u578b \u5909\u65703\u30fb\u30fb\u30fb)<\/code><\/pre>\n<p>\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002int\u578b\u306e\u5909\u6570i\u3068j\u3092\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u5f8c\u308d\u306e\u62ec\u5f27\u306b\u5b9a\u7fa9\u3057\u3001\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u5f15\u304d\u53d7\u3051\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">HikisuStudy.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class HikisuStudy {\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5ba3\u8a00\u3068\u4ee3\u5165\r\n\tint x = 10;\r\n\r\n\t\/\/ getResult\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\uff08\u5f15\u6570\u3068\u3057\u3066\u5f15\u304d\u53d7\u3051\u308b\u5909\u6570\u3092\u5b9a\u7fa9\uff09\r\n\tint getResult(int i, int j) {\r\n\t\t\/\/ \u30ed\u30fc\u30ab\u30eb\u5909\u6570result\u306bx(10)\uff0bi*j\u306e\u7d50\u679c\u3092\u4ee3\u5165\r\n\t\tint result = x + i * j;\r\n\r\n\t\t\/\/ result\u3092\u547c\u3073\u51fa\u3057\u5143\u30af\u30e9\u30b9\u306breturn\r\n\t\treturn result;\r\n\t}\r\n}<\/code><\/pre>\n<p>\u6b21\u306b\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u304b\u3089\u306e\u5f15\u6570\u306e\u5f15\u6e21\u3057\u65b9\u3067\u3059\u3002\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3067\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u3068\u304d\u306b\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u5f8c\u308d\u306e\u300c()\uff08\u62ec\u5f27\uff09\u300d\u306b\u5f15\u304d\u6e21\u3059\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u53c2\u7167\u5909\u6570\u540d.\u30e1\u30bd\u30c3\u30c9\u540d(\u5f15\u65701\u3001\u5f15\u65702\u3001\u5f15\u65703\u30fb\u30fb\u30fb)<\/code><\/pre>\n<p>\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<br \/>\n\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u305f\u5f8c\u306b\u3001\u300chs.getResult(10, 20)\u300d\u3068\u8a18\u8ff0\u3057\u300110\u306820\u306e\u5024\u3092\u5f15\u304d\u6e21\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n10\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5909\u6570i\u306b\u300120\u306f\u3001j\u306b\u305d\u308c\u305e\u308c\u5f15\u304d\u6e21\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">RiyoHikisuClass.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoHikisuClass {\r\n\tpublic static void main(String[] args){\/\/ \u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\r\n\t\t\/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t\tHikisuStudy hs = new HikisuStudy();\r\n\r\n\t\t\/\/ getResult\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\uff0810\u306820\u3092\u5f15\u6570\u3068\u3057\u3066\u5f15\u304d\u6e21\u3059\uff09\r\n\t\t\/\/ \u5f15\u6570\u3068\u3057\u3066\u5024\u306e\u5f15\u6e21\u3057\u3001x(10)+i(10)*j(20)\u306e\u7d50\u679c210\u304c\u623b\u308a\u5024\r\n\t\tint y = hs.getResult(10,20);\r\n\r\n\t\t\/\/ \u5909\u6570y(210)\u3092\u51fa\u529b\r\n\t\tSystem.out.println(y);\r\n\t}\r\n}<\/code><\/pre>\n<p>\u5f15\u6570\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u5f15\u304d\u6e21\u3059\u5074\u306e\u5f15\u6570\u306e\u6570\u3068\u578b\u3001\u5f15\u304d\u53d7\u3051\u308b\u5074\u306e\u5f15\u304d\u53d7\u3051\u5909\u6570\u306e\u6570\u3068\u578b\u3092\u3001\u4e00\u81f4\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<br \/>\n\u4e00\u81f4\u3057\u3066\u3044\u306a\u3044\u3068\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-7-3\"><span class=\"Num\">7.3.<\/span>\u623b\u308a\u5024\u3068\u5f15\u6570<\/h4>\n<p>\u305d\u308c\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u56f3\u3067\u3001\u5f15\u6570\u3068\u623b\u308a\u5024\u306e\u3084\u308a\u3068\u308a\u3092\u518d\u5ea6\u5fa9\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/hikisu2.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/hikisu2.png\" alt=\"hikisu2\"><br \/>\n<\/a><\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-7-4\"><span class=\"Num\">7.4.<\/span>\u81ea\u8eab\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059<\/h4>\n<p>\u540c\u3058\u30af\u30e9\u30b9\u306b\u3042\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u65b9\u6cd5\u3067\u3059\u3002\u4ed6\u306e\u30af\u30e9\u30b9\u3068\u540c\u69d8\u306b\u3001\u6700\u521d\u306b\u305d\u306e\u30af\u30e9\u30b9\u81ea\u8eab\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">AverageTest.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class AverageTest {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u30af\u30e9\u30b9\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t\tAverageTest aveTest = new AverageTest();\r\n\r\n\t\t\/\/ average()\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\uff0840\u306880\u306870\u3092\u5f15\u6570\u3068\u3057\u3066\u5f15\u304d\u6e21\u3059\uff09\r\n\t\tint avr = aveTest.average(40, 80, 70);\r\n\t\tSystem.out.println(\"\u5e73\u5747 = \" + avr);\r\n\t}\r\n\r\n\t\/\/ \u5f15\u6570\u3067\u6e21\u3055\u308c\u305f\u5024(40, 80, 70)\u306e\u5e73\u5747\u5024\u3092\u6c42\u3081\u3066\u8fd4\u5374\r\n\tint average(int firstargs, int secargs, int thirdargs) {\r\n\t\tint avr = (firstargs + secargs + thirdargs) \/ 3;\r\n\t\treturn avr;\r\n\t}\r\n}<\/code><\/pre>\n<p>\u623b\u308a\u5024\u3068\u5f15\u6570\u306e\u5b66\u7fd2\u306f\u3001\u4ee5\u4e0a\u3067\u3059\u3002<br \/>\n\u623b\u308a\u5024\u3068\u5f15\u6570\u306f\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3068\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u3084\u308a\u3068\u308a\u306b\u304a\u3044\u3066\u3001\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u3088\u304f\u7406\u89e3\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-8\"><span class=\"Num\">8.<\/span>\u7df4\u7fd2\u554f\u984c1<\/h3>\n<p>\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u7df4\u7fd2\u3067\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-8-1\"><span class=\"Num\">8.1.<\/span>\u554f\u984c1<\/h4>\n<p>\u4e0b\u8a18\u30af\u30e9\u30b9(Greeting1.java)\u306edisplay\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059(\u5229\u7528\u3059\u308b)\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u306a\u304a\u65b0\u305f\u306b\u4f5c\u6210\u3059\u308b\u30af\u30e9\u30b9\u540d\u306f\u554f\u3044\u307e\u305b\u3093\u3002<\/p>\n<div class=\"Pre-title\">Greeting1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class Greeting1 {\r\n\r\n\tvoid display() {\r\n\t\tString greet = \"\u304a\u306f\u3088\u3046\u3054\u3056\u3044\u307e\u3059\";\r\n\t\tSystem.out.println(greet);\r\n\t}\r\n\r\n}<\/code><\/pre>\n<div class=\"Answer-block\">\n\t<input class=\"SW\" type=\"checkbox\" id=\"Answer-content-1\"><label for=\"Answer-content-1\" class=\"Answer-SW\"><span\n\t\t\tclass=\"Google-icon Google-icon--arrow-single-gray\"><\/span>\u89e3\u7b54\u3092\u8868\u793a\u3059\u308b<\/label><\/p>\n<div class=\"Answer-content\">\n<div class=\"Pre-title\">SampleMain1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class SampleMain1 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tGreeting1 greeting = new Greeting1();\r\n\t\tgreeting.display();\r\n\t}\r\n\r\n}<\/code><\/pre>\n<p>\t\t\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3068\u3057\u3066SampleMain1\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3001main\u30e1\u30bd\u30c3\u30c9\u3092\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u3002<br \/>\n\t\tmain\u30e1\u30bd\u30c3\u30c9\u3067\u306fGreeting1\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316(new Greeting1()\u306e\u90e8\u5206)\u3059\u308b\u3053\u3068\u3067\u3001<br \/>\n\t\tGreeting1\u30af\u30e9\u30b9\u306edisplay\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\n\t<\/p><\/div>\n<\/div>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-8-2\"><span class=\"Num\">8.2.<\/span>\u554f\u984c2<\/h4>\n<p>\u7d9a\u3044\u3066\u306f\u4e0b\u8a18\u30af\u30e9\u30b9(SampleMain2.java)\u306emain\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3059(\u5229\u7528\u3055\u308c\u308b)\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"Pre-title\">SampleMain2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class SampleMain2 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tGreeting2 greeting = new Greeting2();\r\n\t\t\/\/ display\u30e1\u30bd\u30c3\u30c9\u306f\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u300c\u3053\u3093\u306b\u3061\u306f\u300d\u3068\u8868\u793a\u3055\u305b\u308b\u30e1\u30bd\u30c3\u30c9\u3068\u3059\u308b\r\n\t\tgreeting.display(\"\u3053\u3093\u306b\u3061\u306f\");\r\n\t}\r\n\r\n}<\/code><\/pre>\n<div class=\"Answer-block\">\n\t<input class=\"SW\" type=\"checkbox\" id=\"Answer-content-2\"><label for=\"Answer-content-2\" class=\"Answer-SW\"><span\n\t\t\tclass=\"Google-icon Google-icon--arrow-single-gray\"><\/span>\u89e3\u7b54\u3092\u8868\u793a\u3059\u308b<\/label><\/p>\n<div class=\"Answer-content\">\n<div class=\"Pre-title\">Greeting2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class Greeting2 {\r\n\r\n\tvoid display(String greet) {\r\n\t\tSystem.out.println(greet);\r\n\t}\r\n\r\n}<\/code><\/pre>\n<p>\t\t\u5f53\u8a2d\u554f\u3067\u306fSampleMain2\u30af\u30e9\u30b9\u304cGreeting2\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3001display\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\t\t\u305d\u306e\u305f\u3081\u4f5c\u6210\u3059\u308b\u30af\u30e9\u30b9\u306f\u30af\u30e9\u30b9\u540d\uff1aGreeting2, \u30e1\u30bd\u30c3\u30c9\u540d\uff1adisplay\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\t\t\u307e\u305fdisplay\u30e1\u30bd\u30c3\u30c9\u306f\u5f15\u6570\u3068\u3057\u3066String\u578b\u306e\u300c\u3053\u3093\u306b\u3061\u306f\u300d\u3092\u6e21\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001<br \/>\n\t\t\u4f5c\u6210\u3059\u308b\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3067\u306f\u5f15\u6570\u3092\u53d7\u3051\u53d6\u308c\u308b\u3088\u3046\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\t\t\u3053\u3053\u3067\u306f\u5358\u7d14\u306b\u53d7\u3051\u53d6\u3063\u305f\u6587\u5b57\u5217\u3092\u305d\u306e\u307e\u307e\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3055\u305b\u308b\u3060\u3051\u3067\u3059\u306e\u3067\u3001<br \/>\n\t\t\u53d7\u3051\u53d6\u3063\u305f\u5f15\u6570(String greet)\u3092\u305d\u306e\u307e\u307eSystem out println()\u306b\u6e21\u3057\u3066\u3044\u307e\u3059\u3002\n\t<\/p><\/div>\n<\/div>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-8-3\"><span class=\"Num\">8.3.<\/span>\u554f\u984c3<\/h4>\n<p>\u7d9a\u3044\u3066\u306f\u4e0b\u8a18\u30af\u30e9\u30b9(SampleMain3.java)\u306emain\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3059(\u5229\u7528\u3055\u308c\u308b)\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"Pre-title\">SampleMain3.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class SampleMain3 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tGreeting3 greeting = new Greeting3();\r\n\t\tString sentence = greeting.display(\"\u3053\u3093\u306b\u3061\u306f\",\"TechFun\");\r\n\t\t\/\/ \u300c\u3053\u3093\u306b\u3061\u306fTechFun\u3055\u3093\u300d\u3068\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\r\n\t\tSystem.out.println(sentence);\r\n\t}\r\n\r\n}<\/code><\/pre>\n<div class=\"Answer-block\">\n\t<input class=\"SW\" type=\"checkbox\" id=\"Answer-content-3\"><label for=\"Answer-content-3\" class=\"Answer-SW\"><span\n\t\t\tclass=\"Google-icon Google-icon--arrow-single-gray\"><\/span>\u89e3\u7b54\u3092\u8868\u793a\u3059\u308b<\/label><\/p>\n<div class=\"Answer-content\">\n<div class=\"Pre-title\">Greeting3.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class Greeting3 {\r\n\r\n\tString display(String greet, String name) {\r\n\t\treturn greet + name + \"\u3055\u3093\";\r\n\t}\r\n\r\n}<\/code><\/pre>\n<p>\t\tSampleMain3\u30af\u30e9\u30b9\u304b\u3089\u4f5c\u6210\u3059\u3079\u304d\u30af\u30e9\u30b9\u53ca\u3073\u30e1\u30bd\u30c3\u30c9\u306f\u6b21\u306e\u3088\u3046\u306b\u6c7a\u307e\u308a\u307e\u3059\u3002<br \/>\n\t\t\u30af\u30e9\u30b9\u540d\uff1aGreeting3<br \/>\n\t\t\u30e1\u30bd\u30c3\u30c9\u540d\uff1adisplay<br \/>\n\t\t\u5f15\u6570\uff1a(String\u578b\u305d\u306e1, String\u578b\u305d\u306e2)<br \/>\n\t\t\u623b\u308a\u5024\u306e\u578b\uff1aString\u578b<br \/>\n\t\t\u307e\u305f\u30b3\u30e1\u30f3\u30c8\u304b\u3089\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3067\u306f\u300cString\u578b\u305d\u306e1&#43;String\u578b\u305d\u306e2&#43;\u3055\u3093\u300d\u3068\u3044\u3046sentence\u3092\u751f\u6210\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<br \/>\n\t\t\u4ee5\u4e0a\u3088\u308a\u89e3\u7b54\u306e\u901a\u308a\u3001return\u6587\u3067sentence\u306b\u8a72\u5f53\u3059\u308b\u90e8\u5206\u3092\u8fd4\u5374\u3059\u308b\u3088\u3046\u306a\u30e1\u30bd\u30c3\u30c9\u3068\u306a\u308a\u307e\u3059\u3002\n\t<\/p><\/div>\n<\/div>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-9\"><span class=\"Num\">9.<\/span>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf<\/h3>\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u521d\u671f\u5316\u3059\u308b\u7279\u5225\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3067\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-9-1\"><span class=\"Num\">9.1.<\/span>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b9a\u7fa9<\/h4>\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u521d\u671f\u5316\u3059\u308b\u305f\u3081\u306e\u7279\u5225\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b\u305f\u3081\u3001\u623b\u308a\u5024\u306f\u3001\u5b9a\u7fa9\u3057\u307e\u305b\u3093\u3002<br \/>\n\u307e\u305f\u3001\u623b\u308a\u5024\u304c\u306a\u3044\u306e\u3067\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u524d\u306b\u623b\u308a\u5024\u306e\u578b\u3001\u3082\u3057\u304f\u306fvoid\u3092\u66f8\u304f\u5fc5\u8981\u3082\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u540d\u524d\u306f\u3001\u5fc5\u305a\u30af\u30e9\u30b9\u3068\u540c\u3058\u540d\u524d\u3067\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u304c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u66f8\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u540d\uff08\u30af\u30e9\u30b9\u3068\u540c\u3058\uff09(\u578b \u5909\u65701, \u578b \u5909\u65702, \u578b \u5909\u65703\u30fb\u30fb\u30fb)<\/code><\/pre>\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u4f7f\u3063\u305f\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<br \/>\n\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3067\u3001\u30af\u30e9\u30b9\u3068\u540c\u3058\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u3057\u3066\u5b9a\u7fa9\u3057\u307e\u3059\u3002<br \/>\n\u305d\u306e\u51e6\u7406\u3067\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u521d\u671f\u5316\u3057\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">ConstructStudy1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ConstructStudy1 {\r\n\tint x; \/\/ \u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5ba3\u8a00\r\n\r\n\tConstructStudy1() { \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\r\n\t\tx = 10; \/\/ x\u309210\u3067\u521d\u671f\u5316\r\n\t}\r\n\r\n\tint getX() { \/\/ getX\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\r\n\t\treturn x; \/\/ x\u3092\u547c\u3073\u51fa\u3057\u5143\u30af\u30e9\u30b9\u306breturn\r\n\t}\r\n}<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-9-2\"><span class=\"Num\">9.2.<\/span>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5229\u7528<\/h4>\n<p>\u305d\u308c\u3067\u306f\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3067\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5229\u7528\u306f\u3001\u4eca\u307e\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3067\u8a18\u8ff0\u3057\u3066\u304d\u305f\u300cnew \u30af\u30e9\u30b9\u540d()\u300d\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3059\u308b\u3068\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5b9f\u884c\u3055\u308c\u3001\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u304c\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u3044\u308b\u300cnew ConstructStudy1()\u300d\u306e\u8a18\u8ff0\u306e\u90e8\u5206\u3067\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u30d5\u30a3\u30fc\u30eb\u30c9x\u304c10\u3067\u521d\u671f\u5316\u3055\u308c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">RiyoConstruct1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoConstruct1 {\r\n\tpublic static void main(String[] args){\r\n\t\t\/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\uff08\u3053\u306e\u3068\u304d\u306b\u5909\u6570x\u304c10\u3067\u521d\u671f\u5316\u3055\u308c\u308b\uff09\r\n\t\tConstructStudy1 cs1 = new ConstructStudy1();\r\n\r\n\t\t\/\/ getX\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\uff08\u623b\u308a\u502410\u304c\u5909\u6570y\u306b\u4ee3\u5165\u3055\u308c\u308b\uff09\r\n\t\tint y = cs1.getX();\r\n\r\n\t\t\/\/ \u5909\u6570y(10)\u3092\u51fa\u529b\r\n\t\tSystem.out.println(y);\r\n\t}\r\n}<\/code><\/pre>\n<p>\u4ee5\u4e0b\u304c\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3068\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u3084\u308a\u3068\u308a\u3092\u8aac\u660e\u3057\u305f\u56f3\u306b\u306a\u308a\u307e\u3059\u3002\u7406\u89e3\u3067\u304d\u305f\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/construct1.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/construct1.png\" alt=\"construct1\"><br \/>\n<\/a><\/p>\n<p>\u3055\u3066\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u3001\u5f15\u6570\u3092\u5f15\u304d\u6e21\u3059\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u540d\u306e\u5f8c\u306e\u300c() \u62ec\u5f27\u300d\u3092\u4f7f\u7528\u3057\u3066\u3001\u5f15\u6570\u3092\u5f15\u304d\u6e21\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u304c\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<br \/>\n\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300cConstructStudy2\u300d\u306e\u300c()\u300d\u306b\u5f15\u6570\u3068\u3057\u3066\u300cint i\u300d\u3092\u8a18\u8ff0\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306fint\u578b\u306e\u30c7\u30fc\u30bf\uff08\u5024\uff09\u3092\u4e00\u3064\u5f15\u304d\u53d7\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">ConstructStudy2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ConstructStudy2 {\r\n\tint x; \/\/ \u30d5\u30a3\u30fc\u30eb\u30c9x\u306e\u5ba3\u8a00\r\n\r\n\tConstructStudy2(int i) { \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\r\n\t\tx = i; \/\/ x\u3092\u5909\u6570i\u3067\u521d\u671f\u5316\r\n\t}\r\n\r\n\tint getX() { \/\/ getX\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\r\n\t\treturn x; \/\/ x\u3092\u547c\u3073\u51fa\u3057\u5143\u30af\u30e9\u30b9\u306breturn\r\n\t}\r\n}<\/code><\/pre>\n<p>\u305d\u3057\u3066\u3001\u4ee5\u4e0b\u304c\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<br \/>\n\u300cConstructStudy2\u300d\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\uff08new\u4ee5\u964d\u306e\u8a18\u8ff0\u90e8\u5206\u3067\u3059\uff09\u3059\u308b\u3068\u304d\u306b\u3001\u300cnew ConstructStudy2\u300d\u306e\u300c()\u300d\u306e\u4e2d\u306b\u5f15\u6570\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u300120\u3092\u5f15\u304d\u6e21\u3057\u3066\u3044\u307e\u3059\u300220\u3092\u5f15\u6570\u3068\u3057\u3066\u5f15\u304d\u6e21\u3057\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3059\u308b\u3068\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300cConstructStudy2(int i){\u30fb\u30fb\u30fb}\u300d\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u3042\u3068\u3001\u300cint i\u300d\u306b20\u304c\u4ee3\u5165\u3055\u308c\u3001\u6700\u7d42\u7684\u306b\u30d5\u30a3\u30fc\u30eb\u30c9x\u306b\u305d\u306e20\u304c\u4ee3\u5165\u3055\u308c\u3066\u3001\u521d\u671f\u5316\u3055\u308c\u307e\u3059\u3002<br \/>\n\u300cgetX\u300d\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u5909\u6570x\u306e\u5024\uff0820\uff09\u304c\u623b\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">RiyoConstruct2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoConstruct2 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u30af\u30e9\u30b9\u306e\u5ba3\u8a00\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\uff08\u5909\u6570x\u304c20\u3067\u521d\u671f\u5316\u3055\u308c\u307e\u3059\uff09\r\n\t\tConstructStudy2 cs2 = new ConstructStudy2(20);\r\n\r\n\t\t\/\/ getX\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\uff08\u623b\u308a\u502420\u304c\u5909\u6570y\u306b\u4ee3\u5165\u3055\u308c\u307e\u3059\uff09\r\n\t\tint y = cs2.getX();\r\n\r\n\t\t\/\/ \u5909\u6570y(20)\u3092\u51fa\u529b\r\n\t\tSystem.out.println(y);\r\n\t}\r\n}<\/code><\/pre>\n<p>\u4ee5\u4e0b\u304c\u3001\u5f15\u6570\u304c\u3042\u308b\u5834\u5408\u306e\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3068\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u3084\u308a\u3068\u308a\u3092\u8aac\u660e\u3057\u305f\u56f3\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/construct2.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/construct2.png\" alt=\"construct2\"><br \/>\n<\/a><\/p>\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u4eca\u307e\u3067\u5b9a\u7fa9\u3057\u3066\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u304c\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u3067\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3059\u308b\u3068\u3001\u554f\u984c\u306a\u304f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3066\u3044\u307e\u3057\u305f\u3002<br \/>\n\u3053\u308c\u306f\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u5f15\u6570\u306a\u3057\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u81ea\u52d5\u7684\u306b\u751f\u6210\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u3002<br \/>\n\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u305f\u3068\u304d\u306b\u3001\u305d\u306e\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<br \/>\n\u3067\u306f\u3001\u5f15\u6570\u3042\u308a\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u307f\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u305f\u5834\u5408\u306f\u3001\u3069\u3046\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\n\u3053\u306e\u5834\u5408\u306f\u3001\u5f15\u6570\u3042\u308a\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u307f\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u306e\u3067\u3001\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u3068\u304d\u306b\u3001\u5fc5\u305a\u9069\u6b63\u306a\u5f15\u6570\u306e\u5024\u3092\u305d\u306e\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3078\u5f15\u304d\u6e21\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0a\u3067\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u5b66\u7fd2\u306f\u7d42\u308f\u308a\u3067\u3059\u3002<\/p>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-10\"><span class=\"Num\">10.<\/span>\u7df4\u7fd2\u554f\u984c2<\/h3>\n<p>\u30af\u30e9\u30b9\u306e\u7df4\u7fd2\u554f\u984c\u3067\u3059\u3002<br \/>\n\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3068\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9\u306e\u57fa\u672c\u7684\u306a\u8a18\u8ff0\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-10-1\"><span class=\"Num\">10.1.<\/span>\u554f\u984c1<\/h4>\n<p>\u307e\u305a\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u306b\u3064\u3044\u3066\u306e\u554f\u984c\u3067\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306e\u6307\u5b9a\u901a\u308a\u306bSeiseki1\u30af\u30e9\u30b9\u3092\u8a18\u8ff0\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<table class=\"Base-table\">\n<caption class=\"title\">\u8868 1. Seiseki1\u30af\u30e9\u30b9<\/caption>\n<colgroup>\n<col>\n<col>\n<col>\n\t<\/colgroup>\n<tbody>\n<tr>\n<th>\n\t\t\t\t\u30af\u30e9\u30b9\n\t\t\t<\/th>\n<td>\n\t\t\t\tSeiseki1\n\t\t\t<\/td>\n<td>\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<th rowspan=\"4\">\n\t\t\t\t\u30d5\u30a3\u30fc\u30eb\u30c9\n\t\t\t<\/th>\n<td>\n\t\t\t\tString name\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u751f\u5f92\u306e\u540d\u524d\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tint kokugo\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u56fd\u8a9e\u306e\u70b9\u6570\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tint sugaku\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u6570\u5b66\u306e\u70b9\u6570\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tint eigo\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u82f1\u8a9e\u306e\u70b9\u6570\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<th>\n\t\t\t\t\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n\t\t\t<\/th>\n<td>\n\t\t\t\tSeiseki1()\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u4e0b\u8a18\u5185\u5bb9\u3067\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u521d\u671f\u5316\u3059\u308b<\/p>\n<ul class=\"Base-list\">\n<li class=\"Base-list__child\">\n\t\t\t\t\t\tname = &quot;\u5c71\u7530&quot;\n\t\t\t\t\t<\/li>\n<li class=\"Base-list__child\">\n\t\t\t\t\t\tkokugo = 100\n\t\t\t\t\t<\/li>\n<li class=\"Base-list__child\">\n\t\t\t\t\t\tsugaku = 100\n\t\t\t\t\t<\/li>\n<li class=\"Base-list__child\">\n\t\t\t\t\t\teigo = 100\n\t\t\t\t\t<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<th rowspan=\"2\">\n\t\t\t\t\u30e1\u30bd\u30c3\u30c9\n\t\t\t<\/th>\n<td>\n\t\t\t\tString getName()\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u751f\u5f92\u306e\u540d\u524d(name)\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3059\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tvoid printGoukei()\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u5408\u8a08\u70b9\u3092\u8a08\u7b97\u3057\u3001\u300c\u5408\u8a08\u306f\u3001xxx\u70b9\u3067\u3059\u3002\u300d\u3068\u753b\u9762\u306b\u8868\u793a\u3059\u308b\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"Answer-block\">\n\t<input class=\"SW\" type=\"checkbox\" id=\"Answer-content-4\"><label for=\"Answer-content-4\" class=\"Answer-SW\"><span\n\t\t\tclass=\"Google-icon Google-icon--arrow-single-gray\"><\/span>\u89e3\u7b54\u3092\u8868\u793a\u3059\u308b<\/label><\/p>\n<div class=\"Answer-content\">\n<div class=\"Pre-title\">Seiseki1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\/**\r\n * \u51e6\u7406\u6982\u8981\uff1a\u751f\u5f92\u306e\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u6210\u7e3e\u3092\u6271\u3046\u30af\u30e9\u30b9\r\n *\/\r\npublic class Seiseki1 {\r\n\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9\u5b9a\u7fa9\r\n\tString name; \/\/ \u751f\u5f92\u306e\u540d\u524d\r\n\tint kokugo; \/\/ \u56fd\u8a9e\u306e\u70b9\u6570\r\n\tint sugaku; \/\/ \u6570\u5b66\u306e\u70b9\u6570\r\n\tint eigo; \/\/ \u82f1\u8a9e\u306e\u70b9\u6570\r\n\r\n\t\/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u5b9a\u7fa9\r\n\tSeiseki1() {\r\n\t\t\/\/ \u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u521d\u671f\u5316\r\n\t\tname = \"\u5c71\u7530\";\r\n\t\tkokugo = 100;\r\n\t\tsugaku = 100;\r\n\t\teigo = 100;\r\n\t}\r\n\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9name\u306e\u5024\u3092\u623b\u3059\u30e1\u30bd\u30c3\u30c9\r\n\tString getName() {\r\n\t\treturn name;\r\n\t}\r\n\r\n\t\/\/ \u5408\u8a08\u70b9\u3092\u51fa\u529b\u3059\u308b\u30e1\u30bd\u30c3\u30c9\r\n\tvoid printGoukei() {\r\n\t\tint sum = kokugo + sugaku + eigo;\r\n\t\tSystem.out.println(\"\u5408\u8a08\u306f\u3001\" + sum + \"\u70b9\u3067\u3059\u3002\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\t\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5fa9\u7fd2\u554f\u984c\u3067\u3059\u3002<\/p>\n<p>\t\t\u30d5\u30a3\u30fc\u30eb\u30c9\u3001\u30e1\u30bd\u30c3\u30c9\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3068\u5404\u69cb\u6587\u306e\u5f62\u5f0f\u3092\u3057\u3063\u304b\u308a\u62bc\u3055\u3048\u307e\u3057\u3087\u3046\u3002<br \/>\n\t\t\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001\u5909\u6570\u3067\u3059\u304c\u3001\u5b9a\u7fa9\u3059\u308b\u5834\u6240\u3060\u3051\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\t\t\u30d5\u30a3\u30fc\u30eb\u30c9\u306f\u3001\u30af\u30e9\u30b9\u306e\u300c{} \u4e2d\u62ec\u5f27\u300d\u306e\u4e2d\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\t\t\u30e1\u30bd\u30c3\u30c9\u3084\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3001\u305d\u306e\u4ed6\u306e\u4e2d\u62ec\u5f27\u306e\u4e2d\u306b\u8a18\u8ff0\u3059\u308b\u3068\u300c\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u300d\u3068\u306a\u308a\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\t\t\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3059\u308b\u3068\u304d\u306b\u547c\u3070\u308c\u308b\u7279\u6b8a\u306a\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002<br \/>\n\t\t\u623b\u308a\u5024\u306f\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u623b\u308a\u5024\u306e\u30c7\u30fc\u30bf\u578b\u3084return\u6587\u306f\u8a18\u8ff0\u3067\u304d\u307e\u305b\u3093\u3002\u30af\u30e9\u30b9\u3068\u540c\u3058\u540d\u524d\u306e\u30e1\u30bd\u30c3\u30c9\u540d\u3067\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<p>\t\t\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u524d\u306b\u623b\u308a\u5024\u306e\u30c7\u30fc\u30bf\u578b\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\t\t\u5408\u8a08\u70b9\u3092\u51fa\u529b\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306f\u623b\u308a\u5024\u304c\u3042\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u623b\u308a\u5024\u306e\u30c7\u30fc\u30bf\u578b\u306e\u4ee3\u308f\u308a\u306b\u300cvoid\u300d\u3068\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<p>\t\t\u623b\u308a\u5024\u304c\u3042\u308b\u30e1\u30bd\u30c3\u30c9\u306b\u306f\u3001return\u6587\u3092\u5fd8\u308c\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002\n\t<\/p><\/div>\n<\/div>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-10-2\"><span class=\"Num\">10.2.<\/span>\u554f\u984c2<\/h4>\n<p>\u554f\u984c1\u3067\u4f5c\u6210\u3057\u305f\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9ClassMondai1\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\nSeiseki1\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3001getName\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u3066\u3001\u300c\u5c71\u7530\u3055\u3093\u306e\u6210\u7e3e\uff1a\u300d\u3068\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u305d\u306e\u3042\u3068\u3001printGoukei\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u3066\u3001\u300c\u5408\u8a08\u306f\u3001xxx\u70b9\u3067\u3059\u3002\u300d\u3082\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Answer-block\">\n\t<input class=\"SW\" type=\"checkbox\" id=\"Answer-content-5\"><label for=\"Answer-content-5\" class=\"Answer-SW\"><span\n\t\t\tclass=\"Google-icon Google-icon--arrow-single-gray\"><\/span>\u89e3\u7b54\u3092\u8868\u793a\u3059\u308b<\/label><\/p>\n<div class=\"Answer-content\">\n<div class=\"Pre-title\">ClassMondai1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\/**\r\n * \u51e6\u7406\u6982\u8981\uff1aSeiseki1\u30af\u30e9\u30b9\u3092\u5229\u7528\u3057\u3001\u53d6\u5f97\u3057\u305f\u5408\u8a08\u70b9\u3092\u51fa\u529b\r\n *\/\r\npublic class ClassMondai1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ Seiseki1\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t\tSeiseki1 sk1 = new Seiseki1();\r\n\r\n\t\t\/\/ \u540d\u524d\u306e\u53d6\u5f97\r\n\t\tString str = sk1.getName();\r\n\r\n\t\t\/\/ \u53d6\u5f97\u3057\u305f\u540d\u524d\u306e\u51fa\u529b\r\n\t\tSystem.out.println(str + \"\u3055\u3093\u306e\u6210\u7e3e:\");\r\n\r\n\t\t\/\/ \u5408\u8a08\u70b9\u306e\u51fa\u529b\r\n\t\tsk1.printGoukei();\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\t\u4ed6\u306e\u30af\u30e9\u30b9\u306e\u6a5f\u80fd\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u3001\u6700\u521d\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u884c\u3044\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u307e\u3059\u3002<br \/>\n\t\t\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u306f\u3001\u300cnew \u5229\u7528\u3057\u305f\u3044\u30af\u30e9\u30b9\u540d()\u300d\u3067\u3059\u3002<br \/>\n\t\t\u751f\u6210\u3057\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u3001\u305d\u306e\u3042\u3068\u306e\u51e6\u7406\u3067\u6271\u3044\u3084\u3059\u3044\u3088\u3046\u306b\u3001Seiseki1\u30af\u30e9\u30b9\u306e\u578b\u306e\u5909\u6570sk1\u306b\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\t\t\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3059\u308b\u3068\u3001Seiseki1\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u547c\u3070\u308c\u3001\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u521d\u671f\u5316\u3055\u308c\u307e\u3059\u3002<br \/>\n\t\t\u30d5\u30a3\u30fc\u30eb\u30c9name\u306b\u306f\u300c\u5c71\u7530\u300d\u3001\u5404\u70b9\u6570\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u300c100\u300d\u304c\u4ee3\u5165\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\t\t\u305d\u306e\u3042\u3068\u306b\u3001getName\u30e1\u30bd\u30c3\u30c9\u3092\u300csk1.getName()\u300d\u3067\u547c\u3073\u51fa\u3057\u3001\u30d5\u30a3\u30fc\u30eb\u30c9name\u306e\u5024\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u53d6\u5f97\u3057\u3066\u51fa\u529b\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\t\t\u3042\u3068\u306f\u3001printGoukei\u30e1\u30bd\u30c3\u30c9\u3092\u300csk1.printGoukei()\u300d\u3067\u547c\u3073\u51fa\u3057\u3001\u5408\u8a08\u70b9\u3092\u7b97\u5b9a\u3057\u51fa\u529b\u3059\u308b\u51e6\u7406\u3092\u884c\u3063\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3059\u3002\n\t<\/p><\/div>\n<\/div>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-11\"><span class=\"Num\">11.<\/span>\u7df4\u7fd2\u554f\u984c3<\/h3>\n<p>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u95a2\u3059\u308b\u7df4\u7fd2\u554f\u984c\u3067\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-11-1\"><span class=\"Num\">11.1.<\/span>\u554f\u984c1<\/h4>\n<p>\u307e\u305a\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u306b\u3064\u3044\u3066\u306e\u554f\u984c\u3067\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306e\u6307\u5b9a\u901a\u308a\u306bSeiseki2\u30af\u30e9\u30b9\u3092\u8a18\u8ff0\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<table class=\"Base-table\">\n<caption class=\"title\">\u8868 2. Seiseki2\u30af\u30e9\u30b9<\/caption>\n<colgroup>\n<col>\n<col>\n<col>\n\t<\/colgroup>\n<tbody>\n<tr>\n<th>\n\t\t\t\t\u30af\u30e9\u30b9\n\t\t\t<\/th>\n<td>\n\t\t\t\tSeiseki2\n\t\t\t<\/td>\n<td>\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<th rowspan=\"4\">\n\t\t\t\t\u30d5\u30a3\u30fc\u30eb\u30c9\n\t\t\t<\/th>\n<td>\n\t\t\t\tString name\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u751f\u5f92\u306e\u540d\u524d\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tint kokugo\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u56fd\u8a9e\u306e\u70b9\u6570\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tint sugaku\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u6570\u5b66\u306e\u70b9\u6570\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tint eigo\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u82f1\u8a9e\u306e\u70b9\u6570\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<th>\n\t\t\t\t\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n\t\t\t<\/th>\n<td>\n\t\t\t\tSeiseki2(String tName, int tKokugo, int tSugaku, int tEigo)\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u3001\u5f15\u6570\u306e\u5024\u3067\u521d\u671f\u5316\u3059\u308b\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<th rowspan=\"3\">\n\t\t\t\t\u30e1\u30bd\u30c3\u30c9\n\t\t\t<\/th>\n<td>\n\t\t\t\tString getName()\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u751f\u5f92\u306e\u540d\u524d(name)\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3059\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tint getGoukei()\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u70b9\u6570\u306e\u5408\u8a08\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3059\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tdouble getAverage()\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u70b9\u6570\u306e\u5e73\u5747\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3059\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span class=\"Text-highlight\">\u203b\u3053\u306e\u554f\u984c\u306e\u89e3\u7b54\u306f\u63b2\u8f09\u3057\u3066\u304a\u308a\u307e\u305b\u3093\u3002<span class=\"Post-link\" >Tech Fun IT\u30b9\u30af\u30fc\u30eb\u306eJava\u7814\u4fee<\/span>\u3067\u306f\u3001\u8b1b\u5e2b\u304c\u4e01\u5be7\u306b\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span class=\"Text-red-bold\">\u73fe\u5728Tech Fun IT\u30b9\u30af\u30fc\u30eb\u3067\u306f\u3001\u65b0\u898f\u53d7\u8b1b\u8005\u306e\u52df\u96c6\u306f\u884c\u306a\u3063\u3066\u304a\u308a\u307e\u305b\u3093\u3002<\/span><\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-11-2\"><span class=\"Num\">11.2.<\/span>\u554f\u984c2<\/h4>\n<p>\u554f\u984c1\u3067\u4f5c\u6210\u3057\u305f\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9ClassMondai2\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\nSeiseki2\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u6642\u306b\u81ea\u5206\u306e\u540d\u524d\u3068\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u70b9\u6570\u3092\u5f15\u304d\u6e21\u3057\u3066\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u5404\u5024\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<br \/>\ngetName\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u3066\u3001\u300cXX\u3055\u3093\u306e\u6210\u7e3e\uff1a\u300d\u3068\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u305d\u306e\u3042\u3068\u3001getGoukei\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u3066\u5408\u8a08\u70b9\u3092\u53d6\u5f97\u3057\u3001\u300c\u5408\u8a08\u306f\u3001xxx\u70b9\u3067\u3059\u3002\u300d\u3082\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u6700\u5f8c\u306b\u3001getAverage\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u3066\u5e73\u5747\u70b9\u3092\u53d6\u5f97\u3057\u3001\u300c\u5e73\u5747\u306f\u3001xxx\u70b9\u3067\u3059\u3002\u300d\u3068\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><span class=\"Text-highlight\">\u203b\u3053\u306e\u554f\u984c\u306e\u89e3\u7b54\u306f\u63b2\u8f09\u3057\u3066\u304a\u308a\u307e\u305b\u3093\u3002<span class=\"Post-link\" >Tech Fun IT\u30b9\u30af\u30fc\u30eb\u306eJava\u7814\u4fee<\/span>\u3067\u306f\u3001\u8b1b\u5e2b\u304c\u4e01\u5be7\u306b\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/span><br \/>\n<span class=\"Text-red-bold\">\u73fe\u5728Tech Fun IT\u30b9\u30af\u30fc\u30eb\u3067\u306f\u3001\u65b0\u898f\u53d7\u8b1b\u8005\u306e\u52df\u96c6\u306f\u884c\u306a\u3063\u3066\u304a\u308a\u307e\u305b\u3093\u3002<\/span>\t\t<\/p>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-12\"><span class=\"Num\">12.<\/span>static\u4fee\u98fe\u5b50<\/h3>\n<p>\u3053\u3053\u3067\u306f\u3001\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u3092\u5b9a\u7fa9\u3059\u308b\u6642\u306b\u3082\u8a18\u8ff0\u3057\u3066\u3044\u305f\u3001static\u4fee\u98fe\u5b50\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a3\u30fc\u30eb\u30c9\u3084\u30e1\u30bd\u30c3\u30c9\u306bstatic\u4fee\u98fe\u5b50\u3092\u3064\u3051\u305f\u5834\u5408\u3001\u5b9a\u7fa9\u3057\u305f\u3068\u304d\u306b\u5b9f\u4f53\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u3001<br \/>\n\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u305b\u305a\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u3082\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\uff09\u3002<br \/>\n\u305d\u3057\u3066\u3053\u308c\u3089\u3092\u300c\u30af\u30e9\u30b9\u5909\u6570\u300d\u3001\u300c\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u300d\u3068\u547c\u3073\u307e\u3059\u3002<br \/>\n\u306a\u304a\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3057\u3066\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5909\u6570\u3084\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u300c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u300d\u300c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u300d\u3068\u547c\u3073\u307e\u3059\u306e\u3067\u3001\u540c\u6642\u306b\u7528\u8a9e\u3092\u899a\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ee5\u4e0b\u304c\u30af\u30e9\u30b9\u5909\u6570\u3068\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\u306e\u66f8\u5f0f\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\/\/ \u30af\u30e9\u30b9\u5909\u6570\r\nstatic \u30c7\u30fc\u30bf\u578b \u30d5\u30a3\u30fc\u30eb\u30c9\u540d;\r\n\/\/ \u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\r\nstatic \u623b\u308a\u5024\u306e\u578b \u30e1\u30bd\u30c3\u30c9\u540d(\u5f15\u6570\u30ea\u30b9\u30c8) {\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb}<\/code><\/pre>\n<p>\u307e\u305f\u3001\u30af\u30e9\u30b9\u5909\u6570\u3068\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u30af\u30e9\u30b9\u540d\u306b\u30d4\u30ea\u30aa\u30c9\u3092\u4ed8\u3051\u3066\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u30af\u30e9\u30b9\u540d.\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\r\n\u30af\u30e9\u30b9\u540d.\u30e1\u30bd\u30c3\u30c9\u540d(\u5f15\u6570\u30ea\u30b9\u30c8)<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-12-1\"><span class=\"Num\">12.1.<\/span>\u30af\u30e9\u30b9\u5909\u6570<\/h4>\n<p>\u30af\u30e9\u30b9\u5909\u6570\u306f\u3001\u30af\u30e9\u30b9\u304c\u8907\u6570\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3055\u308c\u3066\u3082\u3001\u5e38\u306b\u30af\u30e9\u30b9\u5185\u306e\u5909\u6570\u304c\u4f7f\u7528\u3055\u308c\u308b\u306e\u3067\u3001\u4e00\u3064\u3057\u304b\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u30af\u30e9\u30b9\u5168\u90e8\u306b\u5171\u901a\u306e\u5909\u6570\u3068\u306a\u308a\u3001\u30af\u30e9\u30b9\u5909\u6570\u306e\u5024\u306f\u5168\u4f53\u3067\u5171\u6709\u3055\u308c\u307e\u3059\u3002<br \/>\n\u3053\u308c\u306b\u3088\u308a\u30af\u30e9\u30b9\u5909\u6570\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3066\u3082\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u6bce\u306b\u5909\u6570\u304c\u4f5c\u3089\u308c\u305a\u306b\u3001\u540c\u3058\u5024\u304c\u5171\u6709\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u304c\u30af\u30e9\u30b9\u5909\u6570\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<br \/>\n\u4eca\u56de\u306f\u30af\u30e9\u30b9\u5909\u6570\u306e\u52d5\u304d\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3066\u5024\u3092\u8a2d\u5b9a\u3057\u305f\u5f8c\u306b\u3001<br \/>\n\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u305f\u5404\u5909\u6570\u3092\u4f7f\u3063\u305f\u30a2\u30af\u30bb\u30b9\u3068\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u305b\u305a\u306b\u30af\u30e9\u30b9\u540d\u3067\u306e\u30a2\u30af\u30bb\u30b9\u306e\u4e21\u65b9\u3092<br \/>\n\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">StaticStudy1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class StaticStudy1 {\r\n\t\/\/ \u30af\u30e9\u30b9\u5909\u6570\r\n\tstatic int classField;\r\n}<\/code><\/pre>\n<div class=\"Pre-title\">RiyoStatic1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoStatic1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ StaticStudy1\u3092\uff12\u3064\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u307e\u3059\r\n\t\tStaticStudy1 ss1Sample1 = new StaticStudy1();\r\n\t\tStaticStudy1 ss1Sample2 = new StaticStudy1();\r\n\r\n\t\t\/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9 ss1Sample1 \u306e\u5909\u6570 classField \u306b 10 \u3092\u4ee3\u5165\u3057\u3066\u3082\r\n\t\tss1Sample1.classField = 10;\r\n\r\n\t\t\/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9 ss1Sample2 \u306e\u5909\u6570 classField \u306b 5 \u3092\u4ee3\u5165\u3059\u308b\u3068\r\n\t\tss1Sample2.classField = 5;\r\n\r\n\t\t\/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9 ss1Sample1 \u306e\u5909\u6570 classField \u3082 5 \u306b\u306a\u308a\u307e\u3059\r\n\t\tSystem.out.println(ss1Sample1.classField);\r\n\t\tSystem.out.println(ss1Sample2.classField);\r\n\r\n\t\t\/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u305b\u305a\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u51fa\u529b\u3057\u3066\u3082\u7d50\u679c\u306f 5 \u306b\u306a\u308a\u307e\u3059\u3002\r\n\t\tSystem.out.println(StaticStudy1.classField);\r\n\t}\r\n}<\/code><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>5\r\n5\r\n5<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-12-2\"><span class=\"Num\">12.2.<\/span>\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9<\/h4>\n<p>\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3082\u30af\u30e9\u30b9\u5909\u6570\u540c\u69d8\u3001\u5e38\u306b\u4e00\u3064\u3057\u304b\u5b58\u5728\u305b\u305a\u5168\u4f53\u3067\u5171\u6709\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u304c\u3001\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">StaticStudy2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class StaticStudy2 {\r\n\t\/\/ \u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\r\n\tstatic String getClassMethod() {\r\n\t\treturn \"\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u3059\" ;\r\n\t}\r\n}<\/code><\/pre>\n<div class=\"Pre-title\">RiyoStatic2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class RiyoStatic2 {\r\n\tpublic static void main(String[] args) {\r\n\t\tSystem.out.println(StaticStudy2.getClassMethod());\r\n\t}\r\n}<\/code><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u3059<\/code><\/pre>\n<h5 class=\"Heading Title Title--xs\" id=\"Bookmark-12-2-1\"><span class=\"Num\">12.2.1.<\/span>main\u30e1\u30bd\u30c3\u30c9<\/h5>\n<p>\u4eca\u307e\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u6271\u3063\u3066\u304d\u305fmain\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u3063\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306fstatic\u4fee\u98fe\u5b50\u304c\u3064\u3044\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyMain1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ main \u30e1\u30bd\u30c3\u30c9\u306f\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\r\n\t}\r\n}<\/code><\/pre>\n<p>\u305d\u306e\u305f\u3081\u3001main\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u305f\u6642\u306b\u5b9f\u4f53\u3092\u751f\u6210\u3059\u308b\u305f\u3081\u3001Java\u4eee\u60f3\u30de\u30b7\u30f3\u306fmain\u30e1\u30bd\u30c3\u30c9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u305b\u305a\u306b\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h5 class=\"Heading Title Title--xs\" id=\"Bookmark-12-2-2\"><span class=\"Num\">12.2.2.<\/span>static\u4fee\u98fe\u5b50\u306e\u6ce8\u610f\u70b9<\/h5>\n<p>\u3053\u3053\u307e\u3067\u306e\u8aac\u660e\u3092\u8aad\u3093\u3060\u65b9\u306e\u4e2d\u306b\u306f\u3001\u3059\u3079\u3066\u306e\u30e1\u30bd\u30c3\u30c9\u306bstatic\u3092\u4ed8\u3051\u3066\u3057\u307e\u3048\u3070\u3001\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3057\u305f\u3044\u5834\u5408\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3059\u308b\u5fc5\u8981\u304c\u306a\u304f\u4fbf\u5229\u306a\u306e\u3067\u306f\u306a\u3044\u304b\u3001\u3068\u601d\u3063\u305f\u4eba\u3082\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u3053\u306e\u5f8c\u5b66\u7fd2\u3059\u308b\u300c\u30a4\u30f3\u30d8\u30ea\u30bf\u30f3\u30b9\u300d\u306e\u7ae0\u3068\u300c\u30dd\u30ea\u30e2\u30d5\u30a3\u30ba\u30e0\u300d\u306e\u7ae0\u3067\u306f\u3001\u7d99\u627f\u3068\u3044\u3046\u8003\u3048\u65b9\u304c\u767b\u5834\u3057\u307e\u3059\u3002<br \/>\n\u7d99\u627f\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3067\u975e\u5e38\u306b\u91cd\u8981\u306a\u8003\u3048\u65b9\u3067\u3042\u308a\u3001Java\u8a00\u8a9e\u306f\u57fa\u672c\u3001\u3053\u306e\u8003\u3048\u65b9\u3092\u3082\u3068\u306b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u884c\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u8a73\u7d30\u306f\u300c\u30a4\u30f3\u30d8\u30ea\u30bf\u30f3\u30b9\u300d\u306e\u7ae0\u3068\u300c\u30dd\u30ea\u30e2\u30d5\u30a3\u30ba\u30e0\u300d\u306e\u7ae0\u3067\u8aac\u660e\u3092\u3057\u307e\u3059\u304c\u3001\u30af\u30e9\u30b9\u306e\u7d99\u627f\u306b\u3088\u308a\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u62e1\u5f35\u6027\u304c\u5927\u304d\u304f\u5e83\u304c\u308a\u307e\u3059\u3002<br \/>\n\u305f\u3060\u3057\u3001\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306f\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30af\u30e9\u30b9\u306b\u5c5e\u3059\u308b\u30e1\u30bd\u30c3\u30c9\uff08\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u3068\u3082\u547c\u3070\u308c\u307e\u3059\uff09\u3068\u306a\u308b\u305f\u3081\u3001\u518d\u5b9a\u7fa9\u3057\u3066\u62e1\u5f35\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u307e\u305f\u3001Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306a\u3069\u3067\u306f\u3001\u8907\u6570\u306e\u4eba\u304c\u540c\u6642\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u60f3\u5b9a\u3057\u3066\u30d7\u30ed\u30b0\u30e9\u30e0\u69cb\u6210\u3092\u8003\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u6642\u3001\u6df1\u304f\u8003\u3048\u305a\u306bstatic\u4fee\u98fe\u5b50\u3092\u4f7f\u7528\u3057\u3066\u3057\u307e\u3046\u3068\u3001\u5909\u6570\u3084\u30e1\u30bd\u30c3\u30c9\u304c\u8907\u6570\u4eba\u3067\u5171\u6709\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u3001\u610f\u56f3\u305b\u306c\u7d50\u679c\u3092\u62db\u3044\u3066\u3057\u307e\u3046\u3053\u3068\u306b\u3082\u306a\u308a\u304b\u306d\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u306e\u305f\u3081\u3001static\u4fee\u98fe\u5b50\u3092\u4f7f\u3046\u5834\u5408\u306b\u306f\u3001\u6319\u52d5\u3092\u3057\u3063\u304b\u308a\u3068\u8a8d\u8b58\u3057\u305f\u3046\u3048\u3067\u5229\u7528\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<div class=\"Information-block\">\n<div class=\"Information-heading\">\n<div class=\"Google-icon Google-icon--information\"><\/div>\n<div class=\"Information-heading__child\">Information<\/div>\n<\/p><\/div>\n<p>\t\u30af\u30e9\u30b9\u5909\u6570\u3001\u304a\u3088\u3073\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u305b\u305a\u306b\u4f7f\u7528\u3067\u304d\u308b\u305f\u3081\u3001<br \/>\n\t\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u304c\u5fc5\u8981\u3068\u306a\u308b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3084\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u76f4\u63a5\u8a18\u8ff0\u3059\u308b\u3068\u3001\u69cb\u6587\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\t\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyStaticError.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyStaticError {\r\n\tint instanceHensu = 5; \/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\r\n\tstatic int classHensu = 10; \/\/ \u30af\u30e9\u30b9\u5909\u6570\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u4e0b\u8a18\u306f\u30a8\u30e9\u30fc\u3068\u306a\u3089\u305a\u3001\u554f\u984c\u306a\u304f\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\r\n\t\tSystem.out.println(classHensu);\r\n\t\tclassMethod();\r\n\t\t\/\/ \u4e0b\u8a18\u306f\u3001\u69cb\u6587\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\r\n\t\tSystem.out.println(instanceHensu);\r\n\t\tinstanceMethod();\r\n\t}\r\n\t\/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\r\n\tvoid instanceMethod() {\r\n\t\tSystem.out.println(\"\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u3059\");\r\n\t}\r\n\t\/\/ \u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\r\n\tstatic void classMethod() {\r\n\t\tSystem.out.println(\"\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u3059\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\u3068\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u547c\u3073\u51fa\u305b\u3070\u3001\u5229\u7528\u306f\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>System.out.println(instanceHensu);\r\ninstanceMethod();\r\n\u2193\r\nMyStaticError myStaticError = new MyStaticError();\r\nSystem.out.println(myStaticError.instanceHensu);\r\nmyStaticError.instanceMethod();<\/code><\/pre>\n<p>\t\u5c11\u3057\u6319\u52d5\u304c\u5206\u304b\u308a\u3065\u3089\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u8272\u3005\u3068\u30bd\u30fc\u30b9\u3092\u5909\u66f4\u3057\u3066\u307f\u3066\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3001\u7406\u89e3\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002\n<\/p><\/div>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-13\"><span class=\"Num\">13.<\/span>\u7df4\u7fd2\u554f\u984c4<\/h3>\n<p>\u5f15\u6570\u3068\u623b\u308a\u5024\u306e\u7df4\u7fd2\u554f\u984c\u3067\u3059\u3002<br \/>\n<a href=\"#Bookmark-10\">\u7df4\u7fd2\u554f\u984c2<\/a>\u3067\u4f5c\u6210\u3057\u305f\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9Seiseki1\u30af\u30e9\u30b9\u3092\u5143\u306b\u65b0\u3057\u3044\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-13-1\"><span class=\"Num\">13.1.<\/span>\u554f\u984c1<\/h4>\n<p>\u307e\u305a\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u306b\u3064\u3044\u3066\u306e\u554f\u984c\u3067\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306e\u6307\u5b9a\u901a\u308a\u306bSeiseki3\u30af\u30e9\u30b9\u3092\u8a18\u8ff0\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<table class=\"Base-table\">\n<caption class=\"title\">\u8868 3. Seiseki3\u30af\u30e9\u30b9<\/caption>\n<colgroup>\n<col>\n<col>\n<col>\n\t<\/colgroup>\n<tbody>\n<tr>\n<th>\n\t\t\t\t\u30af\u30e9\u30b9\n\t\t\t<\/th>\n<td>\n\t\t\t\tSeiseki3\n\t\t\t<\/td>\n<td>\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<th>\n\t\t\t\t\u30d5\u30a3\u30fc\u30eb\u30c9\n\t\t\t<\/th>\n<td>\n\t\t\t\tString name\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u751f\u5f92\u306e\u540d\u524d\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<th rowspan=\"3\">\n\t\t\t\t\u30e1\u30bd\u30c3\u30c9\n\t\t\t<\/th>\n<td>\n\t\t\t\tvoid setName(String tName)\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u751f\u5f92\u306e\u540d\u524d(name)\u306b\u5f15\u6570tName\u306e\u5024\u3092\u4ee3\u5165\u3059\u308b\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tString getName()\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u751f\u5f92\u306e\u540d\u524d(name)\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3059\n\t\t\t<\/td>\n<\/tr>\n<tr>\n<td>\n\t\t\t\tint getGoukei(int tKokugo, int tSugaku, int tEigo)\n\t\t\t<\/td>\n<td>\n\t\t\t\t\u5f15\u6570\u306b\u5165\u529b\u3055\u308c\u305f\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u5408\u8a08\u70b9\u3092\u623b\u308a\u5024\u3068\u3057\u3066\u8fd4\u3059\n\t\t\t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"Answer-block\">\n\t<input class=\"SW\" type=\"checkbox\" id=\"Answer-content-6\"><label for=\"Answer-content-6\" class=\"Answer-SW\"><span\n\t\t\tclass=\"Google-icon Google-icon--arrow-single-gray\"><\/span>\u89e3\u7b54\u3092\u8868\u793a\u3059\u308b<\/label><\/p>\n<div class=\"Answer-content\">\n<div class=\"Pre-title\">Seiseki3.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\/**\r\n * \u51e6\u7406\u6982\u8981\uff1a\u751f\u5f92\u306e\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u6210\u7e3e\u3092\u6271\u3046\u30af\u30e9\u30b9\r\n *\/\r\npublic class Seiseki3 {\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9\u5b9a\u7fa9\r\n\tString name; \/\/ \u751f\u5f92\u306e\u540d\u524d\r\n\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9name\u306b\u5f15\u6570\u306e\u5024\u3092\u4ee3\u5165\u3059\u308b\u30e1\u30bd\u30c3\u30c9\r\n\tvoid setName(String tName) {\r\n\t\tname = tName;\r\n\t}\r\n\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9name\u306e\u5024\u3092\u623b\u3059\u30e1\u30bd\u30c3\u30c9\r\n\tString getName() {\r\n\t\treturn name;\r\n\t}\r\n\r\n\t\/\/ \u5408\u8a08\u70b9\u3092\u623b\u3059\u30e1\u30bd\u30c3\u30c9\r\n\tint getGoukei(int tKokugo, int tSugaku, int tEigo) {\r\n\t\tint sum = tKokugo + tSugaku + tEigo;\r\n\t\treturn sum;\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\t\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306e\u8a18\u8ff0\u304c\u306a\u3044\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u306e\u4f8b\u3067\u3059\u3002<br \/>\n\t\t\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u306a\u3044\u5834\u5408\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\uff08\u5f15\u6570\u3092\u6301\u305f\u306a\u3044\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\uff09\u304c\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u81ea\u52d5\u7684\u306b\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<br \/>\n\t\t\u3053\u306e\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3059\u308b\u3068\u304d\u306b\u306f\u3001 \u305d\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u304c\u6697\u9ed9\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\t\t\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5b9a\u7fa9\u306b\u3064\u3044\u3066\u306f\u3001\u7df4\u7fd2\u554f\u984c1\u3068\u540c\u69d8\u3067\u3059\u3002<\/p>\n<p>\t\t\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\u306b\u3064\u3044\u3066\u306f\u3001setName\u30e1\u30bd\u30c3\u30c9\u3001getGoukei\u30e1\u30bd\u30c3\u30c9\u306b\u5f15\u6570\u3092\u8a2d\u3051\u307e\u3059\u3002<br \/>\n\t\t\u5f15\u304d\u6e21\u3055\u308c\u308b\u5024\u3092\u5f15\u304d\u53d7\u3051\u308b\u305f\u3081\u306b\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u5f8c\u306e\u4e38\u62ec\u5f27\u5185\u306b\u5909\u6570\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\n\t<\/p><\/div>\n<\/div>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-13-2\"><span class=\"Num\">13.2.<\/span>\u554f\u984c2<\/h4>\n<p>\u554f\u984c1\u3067\u4f5c\u6210\u3057\u305f\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3092\u5229\u7528\u3059\u308b\u30af\u30e9\u30b9ClassMondai3\u3092\u4f5c\u6210\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\nSeiseki3\u30af\u30e9\u30b9\u3092\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3001setName\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u3066\u3001\u81ea\u5206\u306e\u540d\u524d\u3092\u30d5\u30a3\u30fc\u30eb\u30c9name\u306b\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u305d\u306e\u3042\u3068\u3001getName\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u3066\u3001\u300cXX\u3055\u3093\u306e\u6210\u7e3e\uff1a\u300d\u3068\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u305d\u306e\u3042\u3068\u3001getGoukei\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3057\u3066\u3001\u5f15\u6570\u306b\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u4efb\u610f\u306e\u70b9\u6570\u3092\u5f15\u304d\u6e21\u3057\u3001\u5408\u8a08\u70b9\u3092\u53d6\u5f97\u3057\u3066\u300c\u5408\u8a08\u306f\u3001xxx\u70b9\u3067\u3059\u3002\u300d\u3068\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Answer-block\">\n\t<input class=\"SW\" type=\"checkbox\" id=\"Answer-content-7\"><label for=\"Answer-content-7\" class=\"Answer-SW\"><span\n\t\t\tclass=\"Google-icon Google-icon--arrow-single-gray\"><\/span>\u89e3\u7b54\u3092\u8868\u793a\u3059\u308b<\/label><\/p>\n<div class=\"Answer-content\">\n<div class=\"Pre-title\">ClassMondai3.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\/**\r\n * \u51e6\u7406\u6982\u8981\uff1aSeiseki3\u30af\u30e9\u30b9\u3092\u5229\u7528\u3057\u3001\u53d6\u5f97\u3057\u305f\u5408\u8a08\u70b9\u3092\u51fa\u529b\r\n *\/\r\npublic class ClassMondai3 {\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\t\/\/ Seiseki3\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t\tSeiseki3 sk3 = new Seiseki3();\r\n\r\n\t\t\/\/ \u81ea\u5206\u306e\u540d\u524d\u3092\u30bb\u30c3\u30c8\r\n\t\tsk3.setName(\"XXXX\");\r\n\r\n\t\t\/\/ \u540d\u524d\u306e\u53d6\u5f97\r\n\t\tString str = sk3.getName();\r\n\r\n\t\t\/\/ \u53d6\u5f97\u3057\u305f\u540d\u524d\u306e\u51fa\u529b\r\n\t\tSystem.out.println(str + \"\u3055\u3093\u306e\u6210\u7e3e:\");\r\n\r\n\t\t\/\/ \u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u70b9\u6570\u3092\u5f15\u304d\u6e21\u3057\u3001\u5408\u8a08\u70b9\u3092\u53d6\u5f97\r\n\t\tint sum = sk3.getGoukei(40, 50, 60);\r\n\r\n\t\t\/\/ \u5408\u8a08\u70b9\u306e\u51fa\u529b\r\n\t\tSystem.out.println(\"\u5408\u8a08\u306f\u3001\" + sum + \"\u70b9\u3067\u3059\u3002\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\t\u5f15\u6570\u304c\u5fc5\u8981\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u304d\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u5f8c\u306e\u4e38\u62ec\u5f27\u306e\u4e2d\u306b\u5f15\u304d\u6e21\u3059\u5024\u3092\u30bb\u30c3\u30c8\u3057\u307e\u3059\u3002<br \/>\n\t\t\u5f15\u6570\u306f\u3001\u5f15\u304d\u6e21\u3059\u5024\u306e\u6570\u3084\u30c7\u30fc\u30bf\u578b\u304c\u3001\u547c\u3070\u308c\u308b\u5074\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u306e\u5909\u6570\u3068\u4e00\u81f4\u3057\u3066\u3044\u308c\u3070\u3001\u5024\u304c\u5f15\u304d\u6e21\u3055\u308c\u307e\u3059\u3002<br \/>\n\t\t\u6570\u3084\u30c7\u30fc\u30bf\u578b\u304c\u7570\u306a\u308b\u3068\u3001\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059\u306e\u3067\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002\n\t<\/p><\/div>\n<\/div>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-13-3\"><span class=\"Num\">13.3.<\/span>\u554f\u984c3<\/h4>\n<p>\u554f\u984c1\u3067\u4f5c\u6210\u3057\u305f\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u306egetName\u30e1\u30bd\u30c3\u30c9\u3068getGoukei\u30e1\u30bd\u30c3\u30c9\u3092\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306b\u5909\u66f4\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u305d\u306e\u3042\u3068\u3001\u554f\u984c2\u3067\u4f5c\u6210\u3057\u305fClassMondai3\u3092\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u65b9\u306b\u51e6\u7406\u3092\u5909\u66f4\u3057\u3001\u540c\u3058\u51fa\u529b\u7d50\u679c\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Answer-block\">\n\t<input class=\"SW\" type=\"checkbox\" id=\"Answer-content-8\"><label for=\"Answer-content-8\" class=\"Answer-SW\"><span\n\t\t\tclass=\"Google-icon Google-icon--arrow-single-gray\"><\/span>\u89e3\u7b54\u3092\u8868\u793a\u3059\u308b<\/label><\/p>\n<div class=\"Answer-content\">\n<div class=\"Pre-title\">Seiseki3.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\/**\r\n * \u51e6\u7406\u6982\u8981\uff1a\u751f\u5f92\u306e\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u6210\u7e3e\u3092\u6271\u3046\u30af\u30e9\u30b9\r\n *\/\r\npublic class Seiseki3 {\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9\u5b9a\u7fa9\r\n\tstatic String name; \/\/ \u751f\u5f92\u306e\u540d\u524d\r\n\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9name\u306b\u5f15\u6570\u306e\u5024\u3092\u4ee3\u5165\u3059\u308b\u30e1\u30bd\u30c3\u30c9\r\n\tvoid setName(String tName) {\r\n\t\tname = tName;\r\n\t}\r\n\r\n\t\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9name\u306e\u5024\u3092\u623b\u3059\u30e1\u30bd\u30c3\u30c9\r\n\tstatic String getName() {\r\n\t\treturn name;\r\n\t}\r\n\r\n\t\/\/ \u5408\u8a08\u70b9\u3092\u623b\u3059\u30e1\u30bd\u30c3\u30c9\r\n\tstatic int getGoukei(int tKokugo, int tSugaku, int tEigo) {\r\n\t\tint sum = tKokugo + tSugaku + tEigo;\r\n\t\treturn sum;\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\t\u3053\u3053\u3067\u306e\u30dd\u30a4\u30f3\u30c8\u306f\u3001\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u5024\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u305d\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3082static\u3092\u4ed8\u52a0\u3057\u307e\u3059\u3002<br \/>\n\t\t\u3053\u308c\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u306a\u3044\u3067\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u3046\u5834\u5408\u3001\u305d\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u3082\u6700\u521d\u304b\u3089\u5b9f\u4f53\u3092\u3082\u305f\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002<br \/>\n\t\t\u305d\u306e\u305f\u3081\u3001static\u3092\u4ed8\u52a0\u3057\u3066\u3044\u306a\u3044\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3067\u4f7f\u7528\u3059\u308b\u3068\u3001\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\t\t\u3042\u3068\u306f\u3001getName\u30e1\u30bd\u30c3\u30c9\u3068getGoukei\u30e1\u30bd\u30c3\u30c9\u306b\u305d\u308c\u305e\u308cstatic\u3092\u4ed8\u52a0\u3057\u3066\u3001\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306b\u3057\u307e\u3059\u3002<br \/>\n\t\t\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306f\u6700\u521d\u304b\u3089\u5b9f\u4f53\u304c\u3042\u308b\u30e1\u30bd\u30c3\u30c9\u3067\u3042\u308b\u305f\u3081\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3092\u3057\u306a\u304f\u3066\u3082\u547c\u3073\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">ClassMondai3.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\/**\r\n * \u51e6\u7406\u6982\u8981\uff1aSeiseki3\u30af\u30e9\u30b9\u3092\u5229\u7528\u3057\u3001\u53d6\u5f97\u3057\u305f\u5408\u8a08\u70b9\u3092\u51fa\u529b\r\n *\/\r\npublic class ClassMondai3 {\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\t\/\/ Seiseki3\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n\t\tSeiseki3 sk3 = new Seiseki3();\r\n\r\n\t\t\/\/ \u81ea\u5206\u306e\u540d\u524d\u3092\u30bb\u30c3\u30c8\r\n\t\tsk3.setName(\"XXXX\");\r\n\r\n\t\t\/\/ \u540d\u524d\u306e\u53d6\u5f97\r\n\t\tString str = Seiseki3.getName();\r\n\r\n\t\t\/\/ \u53d6\u5f97\u3057\u305f\u540d\u524d\u306e\u51fa\u529b\r\n\t\tSystem.out.println(str + \"\u3055\u3093\u306e\u6210\u7e3e:\");\r\n\r\n\t\t\/\/ \u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u70b9\u6570\u3092\u5f15\u304d\u6e21\u3057\u3001\u5408\u8a08\u70b9\u3092\u53d6\u5f97\r\n\t\tint sum = Seiseki3.getGoukei(40, 50, 60);\r\n\r\n\t\t\/\/ \u5408\u8a08\u70b9\u306e\u51fa\u529b\r\n\t\tSystem.out.println(\"\u5408\u8a08\u306f\u3001\" + sum + \"\u70b9\u3067\u3059\u3002\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\tstatic\u304c\u3064\u3044\u305f\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3068\u304d\u306b\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u304b\u3089\u547c\u3073\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\t\t\u300c\u30af\u30e9\u30b9\u540d.\u30e1\u30bd\u30c3\u30c9\u540d(\u5f15\u6570\u30ea\u30b9\u30c8)\u300d\u3067\u547c\u3073\u51fa\u3057\u307e\u3059\u3002<br \/>\n\t\tgetName\u30e1\u30bd\u30c3\u30c9\u3068getGoukei\u30e1\u30bd\u30c3\u30c9\u3092\u30af\u30e9\u30b9\u30e1\u30bd\u30c3\u30c9\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u300cSeiseki3.getName()\u300d\u3001\u300cSeiseki3.getGoukei(40, 50, 60)\u300d\u3067\u547c\u3073\u51fa\u3057\u307e\u3059\u3002\n\t<\/p><\/div>\n<\/div>\n<div class=\"Separator\">\n<div class=\"Separator__child\"><\/div>\n<\/div>\n<h3 class=\"Heading Title Title--m\" id=\"Bookmark-14\"><span class=\"Num\">14.<\/span>\u672c\u7ae0\u306e\u307e\u3068\u3081<\/h3>\n<ul class=\"Base-list\">\n<li class=\"Base-list__child\">\u30af\u30e9\u30b9\u306f\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u30e1\u30bd\u30c3\u30c9\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<li class=\"Base-list__child\">\u30e1\u30bd\u30c3\u30c9\u306b\u623b\u308a\u5024\u304c\u3042\u308b\u5834\u5408\u306f\u300creturn\u6587\u300d\u3092\u4f7f\u7528\u3057\u3066\u623b\u308a\u5024\u3092\u8fd4\u5374\u3059\u308b\u3002 <\/li>\n<li class=\"Base-list__child\">\u30e1\u30bd\u30c3\u30c9\u306b\u623b\u308a\u5024\u304c\u306a\u3044\u5834\u5408\u306f\u3001\u623b\u308a\u5024\u306e\u578b\u306f\u300cvoid\u300d\u3068\u306a\u308a\u3001return\u6587\u3082\u4f7f\u7528\u3057\u306a\u3044\u3002 <\/li>\n<li class=\"Base-list__child\">\u30af\u30e9\u30b9\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u3057\u3066\u304b\u3089\u4f7f\u7528\u3057\u3001\u300c\u53c2\u7167\u5909\u6570\u540d.\u30e1\u30bd\u30c3\u30c9\u540d()\u300d\u3084\u300c\u53c2\u7167\u5909\u6570\u540d.\u30d5\u30a3\u30fc\u30eb\u30c9\u540d\u300d\u306e\u3088\u3046\u306a\u5f62\u3067\u30e1\u30bd\u30c3\u30c9\u3084\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3002<\/li>\n<li class=\"Base-list__child\">\u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u884c\u6642\u306b\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3078\u5f15\u6570\u3092\u6e21\u3059\u306b\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306e\u5f8c\u308d\u306b\u3042\u308b\u300c()\u62ec\u5f27\u300d\u306e\u4e2d\u306b\u30c7\u30fc\u30bf(\u5024)\u3092\u8a18\u8ff0\u3059\u308b\u3002<\/li>\n<li class=\"Base-list__child\">\u300c\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u300d\u306f\u3001\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u521d\u671f\u5316\u3059\u308b\u7279\u5225\u306a\u30e1\u30bd\u30c3\u30c9\u306a\u306e\u3067\u3001\u30af\u30e9\u30b9\u540d\u3068\u540c\u3058\u540d\u524d\u3067\u5b9a\u7fa9\u3059\u308b\u3002 <\/li>\n<li class=\"Base-list__child\">\u300cstatic\u4fee\u98fe\u5b50\u300d\u304c\u3064\u3044\u305f\u30d5\u30a3\u30fc\u30eb\u30c9\u3084\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\u305b\u305a\u306b\u4f7f\u7528\u53ef\u80fd\uff08\u305f\u3060\u3057\u3001\u5b9a\u7fa9\u30fb\u4f7f\u7528\u6642\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\uff09\u3002 <\/li>\n<\/ul>\n<p>\u4ee5\u964d\u306e\u7ae0\u3067\u306f\u3001\u5229\u7528\u3055\u308c\u308b\u30af\u30e9\u30b9\u3092\u6271\u3046\u6a5f\u4f1a\u3082\u591a\u304f\u306a\u3063\u3066\u304d\u307e\u3059\u3002<br \/>\n\u6271\u3044\u65b9\u306b\u4e0d\u5b89\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u6559\u6750\u3092\u3082\u3046\u4e00\u5ea6\u8aad\u307f\u76f4\u3059\u306a\u3069\u3057\u3066\u5fa9\u7fd2\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u306f\u3001\u4ee5\u4e0a\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u672c\u7ae0\u3067\u306e\u5b66\u7fd2\u9805\u76ee \u672c\u7ae0\u3067\u306f\u3001Java\u8a00\u8a9e\u306e\u4e2d\u3067\u3001\u6700\u3082\u91cd\u8981\u306a\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3059\u3002 2.\u672c\u7ae0\u306e\u8b1b\u7fa91 \u672c\u7ae0\u3067\u5b66\u7fd2\u3059\u308b\u5185\u5bb9\u3092\u52d5\u753b\u3068\u3057\u3066\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3059\u3002\u6700\u521d\u306b\u4e00\u901a\u308a\u898b\u7d42\u308f\u3063\u305f\u5f8c\u3067\u3001\u5b66\u7fd2\u306b\u5165\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u8b1b\u7fa9\u2026<\/p>\n","protected":false},"author":5,"featured_media":6001,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"class_list":["post-165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-base"],"acf":{"chapter":6,"javabase_order":7,"list-display_description":"Java\u8a00\u8a9e\u306e\u4e2d\u3067\u6700\u3082\u91cd\u8981\u306a\u30af\u30e9\u30b9\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3059\u3002"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/posts\/165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/comments?post=165"}],"version-history":[{"count":23,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/posts\/165\/revisions"}],"predecessor-version":[{"id":6507,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/posts\/165\/revisions\/6507"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/media\/6001"}],"wp:attachment":[{"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/media?parent=165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/categories?post=165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}