{"id":162,"date":"2024-08-21T10:39:08","date_gmt":"2024-08-21T01:39:08","guid":{"rendered":"https:\/\/techfun.cc\/?p=162"},"modified":"2025-06-02T12:42:40","modified_gmt":"2025-06-02T03:42:40","slug":"java_base_array","status":"publish","type":"post","link":"https:\/\/techfun.cc\/java-base\/java_base_array.html","title":{"rendered":"\u914d\u5217"},"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\u914d\u5217\u306b\u3064\u3044\u3066\u3001\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\u7fa9<\/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:\u914d\u5217<\/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\/nsSW28_d9j4?si=0sus87gAinvC-ltH&#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>\u914d\u5217\u306e\u57fa\u672c<\/h3>\n<p>\u914d\u5217\u3092\u4f7f\u3046\u3068\u3001\u540c\u3058\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3092\u3044\u304f\u3064\u304b\u6271\u3046\u3068\u304d\u306b\u3001\u307e\u3068\u3081\u3066\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u540c\u3058\u3088\u3046\u306a\u30c7\u30fc\u30bf\u3092\u8907\u6570\u6271\u3046\u5834\u5408\u3001\u540c\u3058\u578b\u306e\u5909\u6570\u3092\u3044\u304f\u3064\u3082\u7528\u610f\u3059\u308b\u3068\u5909\u6570\u304c\u591a\u304f\u306a\u308a\u3001\u5909\u6570\u306e\u6271\u3044\u304c\u7169\u96d1\u306b\u306a\u3063\u3066\u304d\u307e\u3059\u3002<br \/>\n\u305d\u3093\u306a\u3068\u304d\u306b\u3001\u305d\u306e\u8907\u6570\u306e\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u3066\u683c\u7d0d\u3059\u308b\u914d\u5217\u3092\u4f7f\u3046\u3068\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u3059\u3063\u304d\u308a\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>\u914d\u5217\u306f\u3001\u4ee5\u4e0b\u306e\u56f3\u306e\u3088\u3046\u306a\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array1.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array1.png\" alt=\"array1\"><br \/>\n<\/a><\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-3-1\"><span class=\"Num\">3.1.<\/span>\u914d\u5217\u306e\u5ba3\u8a00\u3068\u751f\u6210<\/h4>\n<p>\u305d\u308c\u3067\u306f\u3001\u914d\u5217\u306e\u5ba3\u8a00\u3068\u751f\u6210\u306b\u3064\u3044\u3066\u3001\u5b66\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002\u307e\u305a\u306f\u3001\u914d\u5217\u306e\u5ba3\u8a00\u304b\u3089\u3067\u3059\u3002<br \/>\n\u914d\u5217\u306e\u5ba3\u8a00\u306f\u3001\u4ee5\u4e0b\u306e\u66f8\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002\u57fa\u672c\u30c7\u30fc\u30bf\u578b\u3068\u53c2\u7167\u578b\u306e\u3069\u3061\u3089\u306e\u5834\u5408\u3067\u3082\u3001\u540c\u3058\u69cb\u6587\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u30c7\u30fc\u30bf\u578b[] \u914d\u5217\u5909\u6570\u540d;<\/code><\/pre>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u66f8\u304f\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002int\u578b\u306e\u914d\u5217\u3068String\u578b\u306e\u914d\u5217\u306e\u4e21\u65b9\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[] tokuten; \/\/ int\u578b\u306e\u914d\u5217 tokuten\u306e\u5ba3\u8a00\r\nString[] name; \/\/ String\u578b\u306e\u914d\u5217 name\u306e\u5ba3\u8a00<\/code><\/pre>\n<p>\u578b\u306e\u5ba3\u8a00\u3067\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308b\u300c[]\u300d\u306f\u3001\u305d\u306e\u5909\u6570\u304c\u914d\u5217\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3067\u3001\u8907\u6570\u306e\u5909\u6570\u3092\u307e\u3068\u3081\u3066\u6271\u3048\u308b\u914d\u5217\u306e\u5ba3\u8a00\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u6b21\u306b\u914d\u5217\u306e\u751f\u6210\u3092\u884c\u3044\u307e\u3059\u3002\u914d\u5217\u306e\u751f\u6210\u3068\u306f\u3001\u5b9f\u969b\u306b\u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u30e1\u30e2\u30ea\u30fc\u9818\u57df\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\n\u914d\u5217\u306e\u751f\u6210\u306f\u3001\u300cnew\u300d\u3068\u3044\u3046\u6f14\u7b97\u5b50\u3092\u4f7f\u3044\u307e\u3059\u3002<br \/>\n\u4e2d\u8eab\u306e\u5024\u3092\u6307\u5b9a\u305b\u305a\u306b\u3001\u914d\u5217\u306e\u5927\u304d\u3055\u3060\u3051\u6307\u5b9a\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u66f8\u5f0f\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u914d\u5217\u5909\u6570\u540d = new \u30c7\u30fc\u30bf\u578b[\u914d\u5217\u306e\u5927\u304d\u3055];<\/code><\/pre>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u66f8\u304f\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n5\u3064\u306e\u9818\u57df\u3092\u6301\u3063\u305fint\u578b\u306e\u914d\u5217tokuten\u30683\u3064\u306e\u9818\u57df\u3092\u6301\u3063\u305fString\u578b\u306e\u914d\u5217name\u3092\u751f\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>tokuten = new int[5]; \/\/ int\u578b\u306e\u914d\u5217 tokuten\u306e\u751f\u6210\r\nname = new String[3]; \/\/ String\u578b\u306e\u914d\u5217 name\u306e\u751f\u6210<\/code><\/pre>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5ba3\u8a00\u3068\u751f\u6210\u3092\u540c\u6642\u306b\u884c\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[] tokuten = new int[5];\r\nString[] name = new String[3];<\/code><\/pre>\n<p>\u751f\u6210\u3057\u305f\u914d\u5217\u306f\u3001\u300c\u6dfb\u3048\u5b57\uff08\u305d\u3048\u3058\uff09\u300d\u3092\u4f7f\u3063\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002<br \/>\n\u6dfb\u3048\u5b57\u306f0\u304b\u3089\u59cb\u307e\u308a\u3001 <span class=\"Text-highlight\">\u5927\u304d\u3055\u304cn\u306e\u914d\u5217\u3067\u306f0\u304b\u3089(n-1)\u304c\u6dfb\u5b57\u306e\u756a\u53f7<\/span>\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u914d\u5217\u306e\u5404\u9818\u57df\u306f\u3001\u8981\u7d20\u3068\u547c\u3073\u307e\u3059\u3002\u914d\u5217\u306e\u5404\u8981\u7d20\u306f\u3001\u6dfb\u3048\u5b57\u3092\u4f7f\u3063\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u73fe\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u914d\u5217\u5909\u6570\u540d[\u6dfb\u3048\u5b57]<\/code><\/pre>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array2.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array2.png\" alt=\"array2\"><br \/>\n<\/a><\/p>\n<p>\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u66f8\u304f\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>tokuten[0]; \/\/ int\u578b\u306e\u914d\u5217 tokuten\u306e1\u756a\u76ee\u306e\u8981\u7d20\r\ntokuten[2]; \/\/ int\u578b\u306e\u914d\u5217 tokuten\u306e3\u756a\u76ee\u306e\u8981\u7d20\r\nname[0]; \/\/ String\u578b\u306e\u914d\u5217 name\u306e1\u756a\u76ee\u306e\u8981\u7d20<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-3-2\"><span class=\"Num\">3.2.<\/span>\u914d\u5217\u3078\u306e\u4ee3\u5165<\/h4>\n<p>\u53c2\u7167\u578b\u306e\u914d\u5217\u306e\u5834\u5408\u3001\u5ba3\u8a00\u3068\u751f\u6210\u3092\u3057\u305f\u3060\u3051\u3067\u306f\u3001\u5404\u8981\u7d20\u306e\u521d\u671f\u5024\u306f\u3001\u300cnull\uff08\u30cc\u30eb\uff09\u300d\u3068\u3044\u3046\u4f55\u3082\u5024\u304c\u306a\u3044\u3068\u3044\u3046\u610f\u5473\u306e\u7279\u6b8a\u306a\u5024\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u30d7\u30ea\u30df\u30c6\u30a3\u30d6\u578b\u306e\u914d\u5217\u306e\u5834\u5408\u3001\u5404\u578b\u306b\u3088\u3063\u3066\u3001\u81ea\u52d5\u7684\u306b\u521d\u671f\u5024\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002int\u578b\u306e\u5834\u5408\u306f\u300c0\u300d\u304c\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u914d\u5217\u306e\u5ba3\u8a00\u3068\u751f\u6210\u3092\u884c\u3063\u305f\u5f8c\u306f\u3001\u9069\u5207\u306a\u5024\u3092\u4ee3\u5165\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u914d\u5217\u3078\u306e\u4ee3\u5165\u3067\u306f\u3001\u6dfb\u3048\u5b57\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u4ee3\u5165\u3059\u308b\u5024\u306f\u3001\u914d\u5217\u306e\u30c7\u30fc\u30bf\u578b\u3068\u540c\u3058\u30c7\u30fc\u30bf\u578b\u3067\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u306e\u3067\u3001\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002\u5404\u8981\u7d20\u306b\u6dfb\u3048\u5b57\u3092\u4f7f\u3063\u3066\u3001\u305d\u308c\u305e\u308c10\u300120\u300130\u300140\u300150\u3092\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[] tokuten = new int[5];\r\ntokuten[0] = 10;\r\ntokuten[1] = 20;\r\ntokuten[2] = 30;\r\ntokuten[3] = 40;\r\ntokuten[4] = 50;<\/code><\/pre>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array3.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array3.png\" alt=\"array3\"><br \/>\n<\/a><\/p>\n<p>\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u914d\u5217\u306e\u5ba3\u8a00\u3068\u751f\u6210\u3092\u884c\u3046\u3068\u540c\u6642\u306b\u3001\u5024\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<br \/>\n\u4ee3\u5165\u3059\u308b\u5024\u306e\u500b\u6570\u304c\u3001\u305d\u306e\u914d\u5217\u306e\u8981\u7d20\u306e\u6570\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002\u914d\u5217\u3092\u5ba3\u8a00\u30fb\u751f\u6210\u3059\u308b\u69cb\u6587\u306e\u5f8c\u308d\u306b\u300c{}\u300d\u3092\u8a18\u8ff0\u3057\u3001\u305d\u306e\u4e2d\u306b\u914d\u5217\u3078\u4ee3\u5165\u3057\u305f\u3044\u5024\u3092\u300c,\uff08\u30ab\u30f3\u30de\uff09\u300d\u3067\u533a\u5207\u3063\u3066\u66f8\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[] tokuten = new int[]{10,20,30,40,50};<\/code><\/pre>\n<p>new\u306e\u8a18\u8ff0\u3092\u7701\u7565\u3059\u308b\u4e8b\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[] tokuten = {10,20,30,40,50};<\/code><\/pre>\n<p>\u307e\u305f\u3001\u7e70\u308a\u8fd4\u3057for\u6587\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217\u306e\u4e2d\u306b\u5024\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>String[] array = new String[5]; \/\/ \u8981\u7d20\u306e\u521d\u671f\u5024\u306f null\r\nfor (int i = 0; i &lt; 5; i++) {\r\n\t\/\/ \u914d\u5217\u306e\u5404\u8981\u7d20\u3092\u6587\u5b57\u5217 A0\u3001A1\u3001A2\u3001A3\u3001A4\u3092\u6301\u3064\r\n\t\/\/ String\u578b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u521d\u671f\u5316\u3057\u307e\u3059\u3002\r\n\tarray[i] = new String(\"A\" + i);\r\n}<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-3-3\"><span class=\"Num\">3.3.<\/span>\u914d\u5217\u306e\u5024\u306e\u53d6\u5f97<\/h4>\n<p>\u305d\u308c\u3067\u306f\u3001\u914d\u5217\u306b\u4ee3\u5165\u3057\u305f\u5024\u3092\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u5b66\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h5 class=\"Heading Title Title--xs\" id=\"Bookmark-3-3-1\"><span class=\"Num\">3.3.1.<\/span>\u8981\u7d20\u306e\u53d6\u5f97<\/h5>\n<p>\u914d\u5217\u306e\u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6dfb\u3048\u5b57\u3067\u756a\u53f7\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>System.out.println(tokuten[2]); \/\/ \u914d\u5217tokuten\u306e3\u756a\u76ee\u306e\u8981\u7d20\u306e\u5024\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u307e\u3059<\/code><\/pre>\n<h5 class=\"Heading Title Title--xs\" id=\"Bookmark-3-3-2\"><span class=\"Num\">3.3.2.<\/span>\u7e70\u308a\u8fd4\u3057\u51e6\u7406<\/h5>\n<p>\u8907\u6570\u306e\u8981\u7d20\u306e\u5024\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306b\u306f\u3001for\u6587\u3092\u7528\u3044\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>for (int i = 0; i &lt; 5; i++) {\r\n\t\/\/ \u914d\u5217tokuten\u306e1\u756a\u76ee\u306e\u8981\u7d20\u306e\u5024\u304b\u3089\u9806\u756a\u306b\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u307e\u3059\r\n\tSystem.out.println(tokuten[i]);\r\n}<\/code><\/pre>\n<h5 class=\"Heading Title Title--xs\" id=\"Bookmark-3-3-3\"><span class=\"Num\">3.3.3.<\/span>\u914d\u5217\u306e\u9577\u3055\u306e\u53d6\u5f97<\/h5>\n<p>\u914d\u5217\u306f\u3001length\u30d5\u30a3\u30fc\u30eb\u30c9\u3068\u3044\u3046\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u3063\u3066\u3001\u914d\u5217\u306e\u9577\u3055\uff08\u8981\u7d20\u306e\u6570\uff09\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u914d\u5217\u306e\u5168\u3066\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u5834\u5408\u306b\u3001\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<br \/>\nlength\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u66f8\u5f0f\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\/\/ \u914d\u5217\u306e\u5ba3\u8a00\u3068\u751f\u6210\r\nString[] array = new String[5];\r\n\r\n\/\/ \u914d\u5217\u3078\u306e\u4ee3\u5165\r\nfor (int i = 0; i &lt; array.length; i++) {\r\n\t\/\/ \u914d\u5217\u306e\u5404\u8981\u7d20\u3092\u6587\u5b57\u5217 A0\u3001A1\u3001A2\u3001A3\u3001A4\u3092\u6301\u3064 String \u578b\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u521d\u671f\u5316\u3057\u307e\u3059\u3002\r\n\tarray[i] = new String(\"A\" + i);\r\n}\r\n\r\n\/\/ \u914d\u5217\u304b\u3089\u5024\u3092\u53d6\u5f97\r\nfor (int i = 0; i &lt; array.length; i++) {\r\n\t\/\/ \u914d\u5217array\u306e1\u756a\u76ee\u306e\u8981\u7d20\u306e\u5024\u304b\u3089\u9806\u756a\u306b\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u307e\u3059\r\n\tSystem.out.println(array[i]);\r\n}\r\n\r\n\/\/ \u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\r\nSystem.out.println(\"\u914d\u5217array\u306e\u8981\u7d20\u306e\u6570\u306f\u3001\" + array.length + \"\u3067\u3059\u3002\");<\/code><\/pre>\n<h5 class=\"Heading Title Title--xs\" id=\"Bookmark-3-3-4\"><span class=\"Num\">3.3.4.<\/span>\u62e1\u5f35for\u6587<\/h5>\n<p>\u62e1\u5f35for\u6587\u3068\u306fJDK5\u304b\u3089\u8ffd\u52a0\u3055\u308c\u305ffor\u6587\u306e\u69cb\u6587\u3067\u3001\u66f8\u5f0f\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>for (\u5909\u6570\u306e\u578b \u5909\u6570\u540d : \u914d\u5217\u540d) {\r\n\t\u7e70\u308a\u8fd4\u3057\u305f\u3044\u51e6\u7406\r\n}<\/code><\/pre>\n<p>\u7e70\u308a\u8fd4\u3057\u305f\u3044\u51e6\u7406\u3092{}\u306e\u4e2d\u306b\u66f8\u304f\u3053\u3068\u306f\u3001\u3053\u308c\u307e\u3067\u3068\u5909\u308f\u308a\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306f\u3001\u914d\u5217\u306e\u8981\u7d20\u6570\u5206\u884c\u308f\u308c\u307e\u3059\u3002<br \/>\n\u62e1\u5f35for\u6587\u3092\u4f7f\u7528\u3057\u305f\u914d\u5217\u306e\u5404\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[] tokuten = {10, 20, 30, 40, 50};\r\nfor (int tensu : tokuten) {\r\n\tSystem.out.println(tensu);\r\n}<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u4e2d\u3067\u5404\u8981\u7d20\u306e\u5024\u304c\u683c\u7d0d\u3055\u308c\u305f\u72b6\u614b\u306e\u5909\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u305f\u3060\u3057\u3001\u62e1\u5f35for\u6587\u306f\u3001\u914d\u5217\u306a\u3069\u306e\u3088\u3046\u306b\u8907\u6570\u306e\u8981\u7d20\u3092\u6301\u3061\u7e70\u308a\u8fd4\u3057\u306e\u5bfe\u8c61\u3068\u306a\u308b\u3082\u306e\u304c\u5b58\u5728\u3057\u306a\u3051\u308c\u3070\u3001\u4f7f\u7528\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u914d\u5217\u304c\u5b58\u5728\u3057\u306a\u3044\u72b6\u614b\u3067\u3001\u300c\u62e1\u5f35for\u6587\u3092\u7528\u3044\u306610\u56de\u306e\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u884c\u3046\u300d\u3068\u3044\u3063\u305f\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u306e\u3067\u3001\u901a\u5e38\u306efor\u6587\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u901a\u5e38\u306efor\u6587\u3068\u62e1\u5f35for\u6587\u3092\u7528\u3044\u305f\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u7570\u306a\u308b\u70b9\u3068\u3057\u3066\u3001\u62e1\u5f35for\u6587\u306f\u5358\u7d14\u306a\u5909\u6570\u540d\u3092\u4f7f\u7528\u3057\u3066\u5024\u3092\u53d6\u5f97\u3057\u3066\u3044\u305f\u3053\u3068\u306b\u5bfe\u3057\u3001\u901a\u5e38\u306efor\u6587\u306f\u914d\u5217\u306e\u6dfb\u3048\u5b57\u3092\u4f7f\u7528\u3057\u3066\u5404\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u66f8\u304d\u65b9\u306f\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u62e1\u5f35for\u6587\u3092\u4f7f\u3046\u5229\u70b9\u3068\u3057\u3066\u306f\u3001\u8981\u7d20\u306e\u6570\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u76f4\u63a5\u66f8\u304b\u306a\u304f\u3066\u826f\u3044\u306e\u3067\u3001\u300cjava.lang.ArrayIndexOutOfBoundsException\u300d\u306e\u4f8b\u5916\uff08\u30a8\u30e9\u30fc\uff09\u304c\u767a\u751f\u3057\u306a\u304f\u306a\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\n\u914d\u5217\u5185\u306e\u5404\u8981\u7d20\u3078\u30a2\u30af\u30bb\u30b9\u3059\u308b\uff08\u5404\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\uff09\u5834\u5408\u3001\u57fa\u672c\u7684\u306b\u306f\u62e1\u5f35for\u6587\u3092\u4f7f\u7528\u3057\u3066\u3044\u304f\u3053\u3068\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002\u3057\u304b\u3057\u3001\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u901a\u5e38\u306efor\u6587\u3092\u4f7f\u7528\u3059\u308b\u65b9\u304c\u59a5\u5f53\u3067\u3042\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u72b6\u6cc1\u306b\u3088\u3063\u3066\u9069\u5207\u306a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u884c\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u6b21\u306f\u3001\u5c11\u3057\u5fdc\u7528\u7684\u306a\u914d\u5217\u306e\u4f7f\u3044\u65b9\u3092\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-4\"><span class=\"Num\">4.<\/span>\u591a\u6b21\u5143\u914d\u5217<\/h3>\n<p>\u914d\u5217\u306e\u5404\u8981\u7d20\u306b\u3001\u914d\u5217\u3092\u4ee3\u5165\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306a\u3001\u5165\u308c\u5b50\u69cb\u9020\u306e\u914d\u5217\u30c7\u30fc\u30bf\u306e\u3053\u3068\u3092\u3001\u591a\u6b21\u5143\u914d\u5217\u3068\u8a00\u3044\u307e\u3059\u3002<br \/>\n\u4eca\u56de\u306f2\u6b21\u5143\u914d\u5217\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<br \/>\n2\u6b21\u5143\u914d\u5217\u306f\u3001\u914d\u5217\u306e\u5404\u8981\u7d20\u306b\u307e\u305f\u5225\u306e\u914d\u5217\u304c\u4ee3\u5165\u3055\u308c\u3066\u3044\u308b\u914d\u5217\u3067\u3059\u3002<br \/>\n\u3053\u306e2\u6b21\u5143\u914d\u5217\u306b\u3088\u3063\u3066\u3001\u66f4\u306b\u307e\u3068\u307e\u3063\u305f\u30c7\u30fc\u30bf\u3092\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u304c2\u6b21\u5143\u914d\u5217\u306e\u5ba3\u8a00\u306e\u66f8\u5f0f\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u30c7\u30fc\u30bf\u578b[][] \u914d\u5217\u5909\u6570\u540d;<\/code><\/pre>\n<p>\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[][] array;<\/code><\/pre>\n<p>\u3061\u306a\u307f\u306b\u30013\u6b21\u5143\u914d\u5217\u306e\u5ba3\u8a00\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[][][] array;<\/code><\/pre>\n<p>2\u6b21\u5143\u914d\u5217\u306e\u751f\u6210\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[][] array = new int[3][2];<\/code><\/pre>\n<p>\u300cnew int\u300d\u306e\u5f8c\u306e\u6700\u521d\u306e[3]\u306f\u30011\u6b21\u5143\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u3001\u6b21\u306e[2]\u306f\u30012\u6b21\u5143\u76ee\u306e\u914d\u5217\u306e\u8981\u7d20\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array4.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array4.png\" alt=\"array4\"><br \/>\n<\/a><\/p>\n<p>\u4ee3\u5165\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u884c\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>array[0][0] = 10;\r\narray[0][1] = 20;\r\narray[1][0] = 30;\r\narray[1][1] = 40;\r\narray[2][0] = 50;\r\narray[2][1] = 60;<\/code><\/pre>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array5.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array5.png\" alt=\"array5\"><br \/>\n<\/a><\/p>\n<p>\u5ba3\u8a00\u3068\u540c\u6642\u306b\u5024\u3092\u4ee3\u5165\u3059\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[][] array = { {10,20},{30,40},{50,60} };<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-4-1\"><span class=\"Num\">4.1.<\/span>\u4e0d\u898f\u5247\u306a\u914d\u5217<\/h4>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u4e0d\u898f\u5247\u306a\u914d\u5217\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u914d\u5217\u306e\u4e2d\u306e\u5404\u8981\u7d20\u304c\u914d\u5217\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u30012\u6b21\u5143\u76ee\u306e\u5404\u914d\u5217\u306e\u8981\u7d20\u306e\u6570\u304c\u7570\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>int[][] array = { \/\/ \u4ee5\u4e0b\u306e 3 \u3064\u306e\u914d\u5217\u3092\u6301\u3064\u914d\u5217\r\n\t{82}, \/\/ 1 \u3064\u306e\u8981\u7d20\u3092\u3082\u3064\u914d\u5217\r\n\t{76,56,67,58}, \/\/ 4 \u3064\u306e\u8981\u7d20\u3092\u3082\u3064\u914d\u5217\r\n\t{50,48} \/\/ 2 \u3064\u306e\u8981\u7d20\u3092\u3082\u3064\u914d\u5217\r\n};<\/code><\/pre>\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>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\uff08args\uff09<\/h3>\n<p>main\u30e1\u30bd\u30c3\u30c9\u306e()\u306e\u4e2d\u306bString\u578b\u306e\u914d\u5217args\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u306e\u3092\u6c17\u3065\u3044\u3066\u3044\u305f\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>public static void main(String[] args) { \/\/ main\u30e1\u30bd\u30c3\u30c9\r\n}<\/code><\/pre>\n<p>\u3053\u306e\u914d\u5217args\u3092\u4f7f\u3046\u3068\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u304d\u306b\u3001main\u30e1\u30bd\u30c3\u30c9\u306b\u5024\u3092\u5f15\u304d\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u304d\u306b\u3001\u5024\u3084\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u3078\u5f15\u304d\u6e21\u3059\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u52d5\u4f5c\u3092if\u6587\u3067\u5206\u5c90\u3055\u305b\u305f\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3093\u3060\u308a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306a\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u30e1\u30a4\u30f3\u30e1\u30bd\u30c3\u30c9\u306b\u5f15\u304d\u6e21\u3059\u5024\u306e\u3053\u3068\u3092\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\uff08\u3072\u304d\u3059\u3046\uff09\u3068\u8a00\u3044\u307e\u3059\u3002<\/p>\n<p>Eclipse\u3067\u306f\u3001args\u306b\u5024\u3092\u5f15\u304d\u6e21\u3059\u3068\u304d\u306e\u8a18\u8ff0\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u30af\u30e9\u30b9\u3092\u65b0\u305f\u306b\u4f5c\u6210\u3057\u3001\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3092\u305d\u306e\u307e\u307e\u66f8\u304d\u5199\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Pre-title\">ArgsTest1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArgsTest1 {\r\n\tpublic static void main(String[] args) {\r\n\t\tfor (String str : args) {\r\n\t\t\tSystem.out.println(str);\r\n\t\t}\r\n\t}\r\n}<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30af\u30e9\u30b9\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u5b9f\u884c\u300d \u21d2 \u300c\u5b9f\u884c\u306e\u69cb\u6210\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br \/>\n<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/10\/array-argexecpoint.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/10\/array-argexecpoint.png\" alt=\"argexecpoint\"><br \/>\n<\/a><\/p>\n<p>\u300c\u5b9f\u884c\u69cb\u6210\u300d\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u306e\u3067\u3001\u5de6\u5074\u306b\u3042\u308b\u300cJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001\u300c\u65b0\u898f\u69cb\u6210\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<br \/>\n<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2025\/03\/array-kousei_new.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2025\/03\/array-kousei_new.png\" alt=\"kousei_new\"><br \/>\n<\/a><\/p>\n<p>\u3053\u308c\u3067\u3001\u300cArgsTest1\u300d\u304c\u300cJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d\u306e\u4e0b\u306b\u65b0\u3057\u304f\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002<br \/>\n<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2025\/03\/array-kousei_new2.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2025\/03\/array-kousei_new2.png\" alt=\"kousei_new2\"><br \/>\n<\/a><\/p>\n<p>\u7d9a\u3044\u3066\u300c\u5f15\u6570\u300d\u30bf\u30d6\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u300c\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5f15\u6570\u300d\u306b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3092\u5165\u529b\u3057\u307e\u3059\u3002<br \/>\n\u4eca\u56de\u306f\u3001\u300cA B C D\uff08\u6587\u5b57\u306e\u9593\u306f\u534a\u89d2\u30b9\u30da\u30fc\u30b9\uff09\u300d\u3092\u5f15\u6570\u3068\u3057\u3066\u5f15\u304d\u6e21\u3057\u3001\u5b9f\u884c\u3057\u3066\u307f\u307e\u3059\u3002<br \/>\n\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u306f\u3001\u914d\u5217\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u8907\u6570\u306e\u5024\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u5f15\u304d\u6e21\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2025\/03\/array-kouseiandexec.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2025\/03\/array-kouseiandexec.png\" alt=\"kouseiandexec\"><br \/>\n<\/a><\/p>\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u51fa\u529b\u3055\u308c\u305f\u3067\u3057\u3087\u3046\u304b\u30022\u3064\u4ee5\u4e0a\u306e\u5f15\u6570\u3092\u5f15\u304d\u6e21\u3059\u5834\u5408\u3001\u5f15\u6570\u306e\u9593\u306b\u534a\u89d2\u30b9\u30da\u30fc\u30b9\u3092\u7a7a\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u4f8b\u3067\u306f\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3057\u3066\u3044\u308b\u3060\u3051\u3067\u3059\u304c\u3001\u3053\u306e\u5f15\u6570\u3092\u51e6\u7406\u306e\u4e2d\u3067\u6d3b\u7528\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>A\r\nB\r\nC\r\nD<\/code><\/pre>\n<p>\u306a\u304a\u3001\u5f15\u6570\u306e\u5024\u3092\u5909\u66f4\u3057\u3066\u518d\u5ea6\u5b9f\u884c\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u300c\u5b9f\u884c\u69cb\u6210\u300d\u753b\u9762\u3092\u8868\u793a\u3057\u307e\u3059\u3002<br \/>\n\u305d\u306e\u5f8c\u3001\u5de6\u5074\u306e\u300cJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u300d\u304b\u3089\u5bfe\u8c61\u306e\u30af\u30e9\u30b9\u3092\u9078\u629e\u3057\u3001\u5f15\u6570\u3092\u5909\u66f4\u3057\u3066\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u6b21\u306b\u3001\u5f15\u304d\u6e21\u3057\u305f\u5024\u3067\u51e6\u7406\u3092\u5206\u5c90\u3055\u305b\u308b\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<br \/>\n\u4ee5\u4e0b\u3067\u306f\u3001\u5f15\u304d\u6e21\u3057\u305f\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u306e\u500b\u6570\u306b\u3088\u3063\u3066\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5236\u5fa1\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3088\u3046\u306b\u3001\u51e6\u7406\u3092\u5206\u5c90\u3055\u305b\u308b\u305f\u3081\u306b\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3092\u4f7f\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">ArgsTest2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArgsTest2 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u304c1\u3064\u306e\u5834\u5408\r\n\t\tif (args.length == 1) {\r\n\t\t\tSystem.out.println(\"\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u304c1\u3064\u5f15\u304d\u6e21\u3055\u308c\u307e\u3057\u305f\u3002\");\r\n\t\t\/\/ \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u304c2\u3064\u4ee5\u4e0a\u306e\u5834\u5408\r\n\t\t} else if (args.length &gt;= 2) {\r\n\t\t\tSystem.out.println(\"\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u304c2\u3064\u4ee5\u4e0a\u5f15\u304d\u6e21\u3055\u308c\u307e\u3057\u305f\u3002\");\r\n\t\t}\r\n\t}\r\n}<\/code><\/pre>\n<p>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u306e\u4f7f\u7528\u983b\u5ea6\u306f\u9ad8\u304f\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3078\u4f55\u304b\u5024\u3092\u5f15\u304d\u6e21\u3057\u3066\u5b9f\u884c\u3057\u305f\u3044\u5834\u5408\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3082\u306e\u3067\u3059\u306e\u3067\u3001\u899a\u3048\u3066\u304a\u304f\u3068\u4fbf\u5229\u3067\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-6\"><span class=\"Num\">6.<\/span>\u7df4\u7fd2\u554f\u984c1<\/h3>\n<p>\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u914d\u5217\u5909\u6570seiseki\u304c\u5ba3\u8a00\u3055\u308c\u3066\u304a\u308a\u3001\u8981\u7d20\u3068\u3057\u3066\u70b9\u6570\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3089\u306e\u70b9\u6570\u306e\u5408\u8a08\u70b9\u3068\u5e73\u5747\u70b9\u3092\u8a08\u7b97\u3057\u3001\u8a08\u7b97\u7d50\u679c\u304c\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u3001\u5fc5\u8981\u306a\u8a18\u8ff0\u3092\u8ffd\u8a18\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b8c\u6210\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-6-1\"><span class=\"Num\">6.1.<\/span>\u554f\u984c1<\/h4>\n<p>\u6dfb\u3048\u5b57\u3092\u4f7f\u7528\u3057\u3066\u3001\u914d\u5217\u306e\u5404\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3001\u5408\u8a08\u70b9\u3068\u5e73\u5747\u70b9\u3092\u8a08\u7b97\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Pre-title\">ArrayMondai6_1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArrayMondai6_1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u70b9\u6570\u306e\u914d\u5217\r\n\t\tint[] seiseki = new int[]{65, 80, 75, 100, 40};\r\n\t\tint goukei = 0; \/\/ \u5408\u8a08\u70b9\r\n\t\tint heikin = 0; \/\/ \u5e73\u5747\u70b9\r\n\r\n\t\tfor (int i = 0; i &lt; seiseki.length; i++) {\r\n\t\t\t\/\/ \u5408\u8a08\u70b9\u306e\u8a08\u7b97\r\n\t\t\t\/* \u3053\u3053\u306b\u8ffd\u52a0 *\/\r\n\t\t}\r\n\r\n\t\t\/\/ \u5e73\u5747\u70b9\u306e\u8a08\u7b97\r\n\t\t\/* \u3053\u3053\u306b\u8ffd\u52a0 *\/\r\n\r\n\t\t\/\/ \u5408\u8a08\u70b9\u3001\u5e73\u5747\u70b9\u306e\u8868\u793a\r\n\t\tSystem.out.println(\"\u5408\u8a08\u70b9\u306f\u3001\" + goukei + \"\u3067\u3059\u3002\");\r\n\t\tSystem.out.println(\"\u5e73\u5747\u70b9\u306f\u3001\" + heikin + \"\u3067\u3059\u3002\");\r\n\t}\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\">ArrayMondai6_1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArrayMondai6_1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u70b9\u6570\u306e\u914d\u5217\r\n\t\tint[] seiseki = new int[]{65, 80, 75, 100, 40};\r\n\t\tint goukei = 0; \/\/ \u5408\u8a08\u70b9\r\n\t\tint heikin = 0; \/\/ \u5e73\u5747\u70b9\r\n\r\n\t\tfor (int i = 0; i &lt; seiseki.length; i++) {\r\n\t\t\t\/\/ \u5408\u8a08\u70b9\u306e\u8a08\u7b97\r\n\t\t\tgoukei += seiseki[i];\r\n\t\t}\r\n\r\n\t\t\/\/ \u5e73\u5747\u70b9\u306e\u8a08\u7b97\r\n\t\theikin = goukei \/ seiseki.length;\r\n\r\n\t\t\/\/ \u5408\u8a08\u70b9\u3001\u5e73\u5747\u70b9\u306e\u8868\u793a\r\n\t\tSystem.out.println(\"\u5408\u8a08\u70b9\u306f\u3001\" + goukei + \"\u3067\u3059\u3002\");\r\n\t\tSystem.out.println(\"\u5e73\u5747\u70b9\u306f\u3001\" + heikin + \"\u3067\u3059\u3002\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\tfor\u6587\u306e\u7e70\u308a\u8fd4\u3057\u306e\u4e2d\u3067\u3001\u914d\u5217seiseki\u306e\u5404\u8981\u7d20\u3092\u3001\u300cseiseki[i]\u300d\u306e\u3088\u3046\u306b\u6dfb\u3048\u5b57\u7528\u306e\u5909\u6570i\u3092\u4f7f\u7528\u3057\u3066\u9806\u756a\u306b\u53d6\u5f97\u3057\u3001\u305d\u308c\u3092\u5909\u6570goukei\u306b\u52a0\u7b97\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\t\t<a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array_practice_help1.gif\"><br \/>\n\t\t\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/array_practice_help1.gif\" alt=\"array practice help1\"><br \/>\n\t\t<\/a><\/p>\n<p>\t\tfor\u6587\u3092\u4f7f\u7528\u3057\u3066\u3001\u914d\u5217seiseki\u306ei\u756a\u76ee\u306e\u8981\u7d20(seiseki[i])\u3092\u4e00\u3064\u305a\u3064\u5909\u6570goukei\u306b\u52a0\u7b97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\t\t\u5408\u8a08\u70b9\u3092\u8a08\u7b97\u5f8c\u3001length\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u7528\u3057\u3066\u53d6\u5f97\u3057\u305f\u914d\u5217\u306e\u8981\u7d20\u306e\u6570\u3067\u5408\u8a08\u70b9\u3092\u5272\u3063\u3066\u3001\u5e73\u5747\u70b9\u3092\u8a08\u7b97\u3057\u307e\u3057\u3087\u3046\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-7\"><span class=\"Num\">7.<\/span>\u7df4\u7fd2\u554f\u984c2<\/h3>\n<p>\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u914d\u5217\u5909\u6570seiseki\u304c\u5ba3\u8a00\u3055\u308c\u3066\u304a\u308a\u3001\u8981\u7d20\u3068\u3057\u3066\u70b9\u6570\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u305d\u308c\u3089\u306e\u70b9\u6570\u306e\u4e2d\u304b\u3089\u6700\u9ad8\u70b9\u3092\u53d6\u5f97\u3057\u3001\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u3001\u5fc5\u8981\u306a\u8a18\u8ff0\u3092\u8ffd\u8a18\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b8c\u6210\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-7-1\"><span class=\"Num\">7.1.<\/span>\u554f\u984c1<\/h4>\n<p>\u6dfb\u3048\u5b57\u3092\u4f7f\u7528\u3057\u3066\u3001\u914d\u5217\u306e\u5404\u8981\u7d20\u3092\u53d6\u5f97\u3057\u3001\u305d\u306e\u4e2d\u304b\u3089\u6700\u9ad8\u70b9\u3092\u53d6\u5f97\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Pre-title\">ArrayMondai7_1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArrayMondai7_1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u70b9\u6570\u306e\u914d\u5217\r\n\t\tint[] seiseki = new int[]{65, 80, 75, 100, 40};\r\n\t\t\/\/ \u6700\u9ad8\u70b9\r\n\t\tint maxTensu;\r\n\r\n\t\t\/\/ \u521d\u671f\u5024\r\n\t\tmaxTensu = seiseki[0];\r\n\r\n\t\tfor (int i = 0; i &lt; seiseki.length; i++) {\r\n\t\t\t\/\/ \u6700\u9ad8\u70b9\u306e\u53d6\u5f97\r\n\t\t\t\/* \u3053\u3053\u306b\u8ffd\u52a0 *\/\r\n\t\t}\r\n\t\t\/\/ \u6700\u9ad8\u70b9\u306e\u8868\u793a\r\n\t\tSystem.out.println(\"\u6700\u9ad8\u70b9\u306f\u3001\" + maxTensu + \"\u3067\u3059\u3002\");\r\n\t}\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\">ArrayMondai7_1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArrayMondai7_1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u70b9\u6570\u306e\u914d\u5217\r\n\t\tint[] seiseki = new int[]{65, 80, 75, 100, 40};\r\n\t\t\/\/ \u6700\u9ad8\u70b9\r\n\t\tint maxTensu;\r\n\r\n\t\t\/\/ \u521d\u671f\u5024\r\n\t\tmaxTensu = seiseki[0];\r\n\r\n\t\tfor (int i = 0; i &lt; seiseki.length; i++) {\r\n\t\t\t\/\/ \u6700\u9ad8\u70b9\u306e\u53d6\u5f97\r\n\t\t\tif (maxTensu &lt; seiseki[i]) {\r\n\t\t\t\t\/\/ \u5909\u6570maxTensu\u3092\u8981\u7d20\u306e\u5024\u306b\u5909\u66f4\r\n\t\t\t\tmaxTensu = seiseki[i];\r\n\t\t\t}\r\n\t\t}\r\n\t\t\/\/ \u6700\u9ad8\u70b9\u306e\u8868\u793a\r\n\t\tSystem.out.println(\"\u6700\u9ad8\u70b9\u306f\u3001\" + maxTensu + \"\u3067\u3059\u3002\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\t\u914d\u5217seiseki\u304b\u3089\u6700\u9ad8\u70b9\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u3001\u5909\u6570maxTensu\u306b\u914d\u5217\u306e\u6700\u521d\u306e\u8981\u7d20\u3092\u4ee3\u5165\u3057\u3066\u304a\u304d\u307e\u3059\u3002<br \/>\n\t\t\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u306e\u4e2d\u3067\u914d\u5217\u306e\u5404\u8981\u7d20\u3092\u9806\u756a\u306b\u53d6\u5f97\u3057\u3001\u5909\u6570maxTensu\u3068\u53d6\u5f97\u3057\u305f\u5024\u306e\u5927\u304d\u3055\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<br \/>\n\t\tmaxTensu\u3088\u308a\u3082\u914d\u5217\u306e\u5404\u8981\u7d20\u306e\u5024\u304c\u5927\u304d\u3044\u5834\u5408\u3001maxTensu\u3092\u305d\u306e\u5024\u306b\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\t\t\u305d\u308c\u3092\u7e70\u308a\u8fd4\u3059\u3068\u3001\u6700\u7d42\u7684\u306b\u914d\u5217\u306e\u4e2d\u3067\u4e00\u756a\u5927\u304d\u3044\u5024\u304cmaxTensu\u306b\u6b8b\u308a\u307e\u3059\u3002\n\t<\/p><\/div>\n<\/div>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-7-2\"><span class=\"Num\">7.2.<\/span>\u554f\u984c2<\/h4>\n<p>\u554f\u984c1\u3092\u62e1\u5f35for\u6587\u3092\u5229\u7528\u3057\u3066\u66f8\u304d\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Pre-title\">ArrayMondai7_2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArrayMondai7_2 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u70b9\u6570\u306e\u914d\u5217\r\n\t\tint[] seiseki = new int[]{65, 80, 75, 100, 40};\r\n\t\t\/\/ \u6700\u9ad8\u70b9\r\n\t\tint maxTensu;\r\n\r\n\t\t\/\/ \u521d\u671f\u5024\r\n\t\tmaxTensu = seiseki[0];\r\n\r\n\t\t\/\/ \u62e1\u5f35for\u6587\u3092\u5229\u7528\u3057\u305f\u6700\u9ad8\u70b9\u306e\u53d6\u5f97\r\n\t\t\/* \u3053\u3053\u306b\u8ffd\u52a0 *\/\r\n\r\n\t\t\/\/ \u6700\u9ad8\u70b9\u306e\u8868\u793a\r\n\t\tSystem.out.println(\"\u6700\u9ad8\u70b9\u306f\u3001\" + maxTensu + \"\u3067\u3059\u3002\");\r\n\t}\r\n}<\/code><\/pre>\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<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\u984c3<\/h3>\n<p>2\u6b21\u5143\u914d\u5217\u306e\u7df4\u7fd2\u554f\u984c\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>\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u30012\u6b21\u5143\u914d\u5217seiseki\u304c\u5ba3\u8a00\u3055\u308c\u3066\u304a\u308a\u3001\u8981\u7d20\u3068\u3057\u3066\u70b9\u6570\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u308c\u3089\u306e\u70b9\u6570\u306e\u5408\u8a08\u3092\u8a08\u7b97\u3057\u3001\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u3001\u5fc5\u8981\u306a\u8a18\u8ff0\u3092\u8ffd\u8a18\u3057\u3066\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b8c\u6210\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<div class=\"Pre-title\">ArrayMondai8_1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArrayMondai8_1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ 2\u6b21\u5143\u914d\u5217seiseki\u306e\u5ba3\u8a00\u3068\u8981\u7d20\u306e\u4ee3\u5165\r\n\t\tint[][] seiseki = { {65, 80, 75}, \/\/ \u5c71\u7530\u3055\u3093\u306e\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u70b9\u6570\r\n\t\t\t\t\t\t\t\t\t\t   {100, 90, 90}, \/\/ \u4f50\u85e4\u3055\u3093\u306e\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u70b9\u6570\r\n\t\t\t\t\t\t\t\t\t\t\t {40, 30, 0} }; \/\/ \u9234\u6728\u3055\u3093\u306e\u56fd\u8a9e\u3001\u6570\u5b66\u3001\u82f1\u8a9e\u306e\u70b9\u6570\r\n\r\n\t\t\/\/ \u5c71\u7530\u3055\u3093\u3001\u4f50\u85e4\u3055\u3093\u3001\u9234\u6728\u3055\u3093\u306e\u305d\u308c\u305e\u308c\u306e\u5408\u8a08\u70b9\u3092\u8a08\u7b97\r\n\t\t\/* \u3053\u3053\u306b\u8ffd\u52a0 *\/\r\n\r\n\t\t\/\/ \u5c71\u7530\u3055\u3093\u3001 \u4f50\u85e4\u3055\u3093\u3001\u9234\u6728\u3055\u3093\u306e\u305d\u308c\u305e\u308c\u306e\u5408\u8a08\u70b9\u3092\u8868\u793a\r\n\t\t\/* \u3053\u3053\u306b\u8ffd\u52a0 *\/\r\n\t}\r\n}<\/code><\/pre>\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<\/p>\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>\u7df4\u7fd2\u554f\u984c4<\/h3>\n<p>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u306e\u7df4\u7fd2\u554f\u984c\u3067\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-9-1\"><span class=\"Num\">9.1.<\/span>\u554f\u984c1<\/h4>\n<p>\u300c\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u300d\u306b\u300c65 80 75 100 40\u300d\u3068\u70b9\u6570\u3092\u5165\u529b\u3057\u307e\u3059\u3002<br \/>\n\u300c\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u300d\u306b\u5165\u529b\u3055\u308c\u305f\u5024\u3092\u3001\u6587\u5b57\u5217\u578b\u914d\u5217\u306b\u9006\u9806\uff08\u300c40 100 75 80 65\u300d\u306e\u9806\u756a\uff09\u306b\u683c\u7d0d\u3057\u3001\u305d\u306e\u914d\u5217\u304b\u3089\u62e1\u5f35for\u6587\u3092\u4f7f\u3063\u3066\u8981\u7d20\u3092\u53d6\u308a\u51fa\u3057\u3001 \u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\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\">ArrayMondai9_1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ArrayMondai9_1 {\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u9006\u9806\u306e\u70b9\u6570\u3092\u683c\u7d0d\u3059\u308b\u914d\u5217\u3092\u5ba3\u8a00\r\n\t\tString[] score = new String[args.length];\r\n\r\n\t\t\/\/ 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args\u300d\u306b\u5f15\u304d\u6e21\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\t\tfor\u6587\u3092\u4f7f\u7528\u3057\u3066\u914d\u5217args\u306e\u5404\u8981\u7d20\u3092\u9006\u9806\u306b\u53d6\u5f97\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u3001args.length\u306b-1\u3092\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\t\t\u307e\u305f\u3001\u914d\u5217score\u306e\u8981\u7d20\u756a\u53f7\u306f\u30010\u304b\u30891\u305a\u3064\u52a0\u7b97\u3057\u3066\u3044\u304f\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u300cargs.length &#8211; i &#8211; 1\u300d\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-10\"><span class=\"Num\">10.<\/span>\u672c\u7ae0\u306e\u307e\u3068\u3081<\/h3>\n<ul class=\"Base-list\">\n<li class=\"Base-list__child\">\u914d\u5217\u306e\u5ba3\u8a00\u306e\u4ed5\u65b9\u306f\u300c\u30c7\u30fc\u30bf\u578b[] \u914d\u5217\u5909\u6570\u540d;\u300d\u3067\u3001\u751f\u6210\u306e\u4ed5\u65b9\u306f\u300c\u914d\u5217\u5909\u6570\u540d = new \u30c7\u30fc\u30bf\u578b[\u914d\u5217\u306e\u5927\u304d\u3055];\u300d\u3002 <\/li>\n<li class=\"Base-list__child\">\u751f\u6210\u3057\u305f\u914d\u5217\u306f\u6dfb\u3048\u5b57\u3092\u4f7f\u3063\u3066\u7ba1\u7406\u3055\u308c\u3001\u6dfb\u3048\u5b57\u306f0\u304b\u3089\u59cb\u307e\u308b\u3002<\/li>\n<li class=\"Base-list__child\">\u914d\u5217\u306e\u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u53d6\u5f97\u3059\u308b\u3068\u304d\u306f\u3001for\u6587\u3060\u3051\u3067\u306f\u306a\u304f\u62e1\u5f35for\u6587\u3082\u4f7f\u7528\u3067\u304d\u308b\u3002<\/li>\n<li class=\"Base-list__child\">\u914d\u5217\u306e\u9577\u3055\u306f\u300c\u914d\u5217\u5909\u6570\u540d.length\u300d\u306e\u3088\u3046\u306b\u300clength\u300d\u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u4f7f\u7528\u3057\u3066\u53d6\u5f97\u3067\u304d\u308b\u3002<\/li>\n<li class=\"Base-list__child\">\u914d\u5217\u306e\u8981\u7d20\u306b\u914d\u5217\u3092\u683c\u7d0d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u3053\u306e\u3088\u3046\u306a\u914d\u5217\u3092\u300c\u591a\u6b21\u5143\u914d\u5217\u300d\u3068\u3044\u3046\u3002<\/li>\n<\/ul>\n<p>\u7591\u554f\u70b9\u3084\u4e0d\u660e\u70b9\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u8b1b\u5e2b\u306b\u8cea\u554f\u3057\u3066\u65e9\u3081\u306b\u89e3\u6d88\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u914d\u5217\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 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