{"id":183,"date":"2024-08-15T10:39:08","date_gmt":"2024-08-15T01:39:08","guid":{"rendered":"https:\/\/techfun.cc\/?p=183"},"modified":"2025-06-02T12:47:18","modified_gmt":"2025-06-02T03:47:18","slug":"java_base_exceptions","status":"publish","type":"post","link":"https:\/\/techfun.cc\/java-base\/java_base_exceptions.html","title":{"rendered":"\u4f8b\u5916\u51e6\u7406"},"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\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u304a\u3044\u3066\u4f8b\u5916\u7684\u306b\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u3092\u3001\u9069\u5207\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u4f8b\u5916\u51e6\u7406\u65b9\u6cd5\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\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:\u4f8b\u5916\u51e6\u7406<\/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\/gw_f2FH8L10?si=9fLVH28GmKR12MLk&#038;rel=0\"\n\t\t\ttitle=\"YouTube video player-exceptions\" 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><\/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-3\"><span class=\"Num\">3.<\/span>\u4f8b\u5916\u51e6\u7406\u3068\u306f<\/h3>\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3067\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u306a\u304f\u3001\u7121\u4e8b\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u3067\u304d\u305f\u3068\u3057\u3066\u3082\u3001\u305d\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u6642\u306b\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u306f\u65e5\u5e38\u8336\u98ef\u4e8b\u3067\u3059\u3002<\/p>\n<p>\u3053\u3046\u3044\u3063\u305f\u5b9f\u884c\u6642\u30a8\u30e9\u30fc\u306f\u305d\u306e\u307e\u307e\u653e\u3063\u3066\u304a\u304f\u3068\u3001\u6025\u306b\u30b7\u30b9\u30c6\u30e0\u304c\u30c0\u30a6\u30f3\u3057\u305f\u308a\u3001\u610f\u5473\u306e\u308f\u304b\u3089\u306a\u3044\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u51fa\u3066\u304d\u305f\u308a\u3068\u5927\u5909\u4e0d\u5b89\u5b9a\u3067\u969c\u5bb3\u306e\u591a\u3044\u30b7\u30b9\u30c6\u30e0\u3068\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<p>\u5b9f\u884c\u6642\u306e\u30a8\u30e9\u30fc\u306b\u306f\u3001\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul class=\"Base-list\">\n<li class=\"Base-list__child\">\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3082\u3046\u3068\u3057\u305f\u304c\u3001\u6307\u5b9a\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u304c\u898b\u3064\u304b\u3089\u306a\u304b\u3063\u305f\u3002 <\/li>\n<li class=\"Base-list__child\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3057\u305f\u304c\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u63a5\u7d9a\u8a8d\u8a3c\u3067\u5931\u6557\u3057\u305f\u3002<\/li>\n<li class=\"Base-list__child\">&quot;Hello&quot;\u3068\u3044\u3046\u6587\u5b57\u5217\u3092int\u578b\u306b\u5909\u63db\u3057\u3088\u3046\u3068\u3057\u305f\u3002 <\/li>\n<\/ul>\n<p>\u3053\u3046\u3044\u3063\u305f\u30a8\u30e9\u30fc\u306f\u3001\u69cb\u6587\u30a8\u30e9\u30fc\u306e\u3088\u3046\u306b\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u308f\u3051\u3067\u306a\u304f\u3001\u5b9f\u884c\u3057\u305f\u3068\u304d\u306b\u521d\u3081\u3066\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u3067\u3059\u3002<br \/>\n\u3053\u308c\u3089\u306e\u30a8\u30e9\u30fc\u306e\u3053\u3068\u3092\u300c\u4f8b\u5916\u300d\u3068\u547c\u3073\u3001\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306b\u9069\u5207\u306b\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u3092\u300c\u4f8b\u5916\u51e6\u7406\u300d\u3068\u547c\u3073\u307e\u3059\u3002<br \/>\nJava\u3067\u306f\u3001\u4f8b\u5916\u3092\u6271\u3046\u305f\u3081\u306b\u4f8b\u5916\u30af\u30e9\u30b9\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3059\u308b\u3068\u4f8b\u5916\u30af\u30e9\u30b9\u304b\u3089\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u751f\u6210\u3055\u308c\u3001\u305d\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30a8\u30e9\u30fc\u60c5\u5831\u3092\u6301\u305f\u305b\u307e\u3059\u3002<br \/>\n\u4f8b\u5916\u51e6\u7406\u3068\u306f\u3001\u3053\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u304b\u3089\u751f\u6210\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u51e6\u7406\u65b9\u6cd5\u3092\u8a00\u3044\u307e\u3059\u3002<\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-3-1\"><span class=\"Num\">3.1.<\/span>\u4f8b\u5916\u306e\u7a2e\u985e<\/h4>\n<p>\u305d\u308c\u3067\u306f\u3001\u5b9f\u884c\u6642\u306b\u767a\u751f\u3059\u308b\u4f8b\u5916\u306e\u7a2e\u985e\u3092\u307e\u305a\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<ol class=\"Base-list Base-list--ol\">\n<li class=\"Base-list__child\">\n\t\t\u30d7\u30ed\u30b0\u30e9\u30e0\u51e6\u7406\u4f8b\u5916\uff08\u5b9f\u884c\u6642\u4f8b\u5916\uff09<\/p>\n<div class=\"List-indent\">\n\t\t\t\u30d7\u30ed\u30b0\u30e9\u30e0\u51e6\u7406\u4f8b\u5916\u3068\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u304d\u306b\u767a\u751f\u3059\u308b\u4f8b\u5916\u3067\u3001\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul class=\"Base-list\">\n<li class=\"Base-list__child\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u6642\u30a8\u30e9\u30fc<\/li>\n<li class=\"Base-list__child\">\u30d5\u30a1\u30a4\u30eb\u66f8\u304d\u8fbc\u307f\u30a8\u30e9\u30fc<\/li>\n<li class=\"Base-list__child\">\u578b\u5909\u63db\u30a8\u30e9\u30fc<\/li>\n<li class=\"Base-list__child\">0\u9664\u7b97\uff080\u306e\u5272\u308a\u7b97\uff09\u30a8\u30e9\u30fc<\/li>\n<\/ul>\n<p>\t\t\t\u30d7\u30ed\u30b0\u30e9\u30e0\u51e6\u7406\u4f8b\u5916\u306f\u3001Java\u306e\u4ed5\u69d8\u3067\u5bfe\u8c61\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u304c\u3042\u3089\u304b\u3058\u3081\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\t\t\t\u51e6\u7406\u4f8b\u5916\u30b1\u30fc\u30b9\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u306f\u3001\u305d\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u751f\u6210\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\n\t\t<\/p><\/div>\n<\/li>\n<li class=\"Base-list__child\">\n\t\t\u30b7\u30b9\u30c6\u30e0\u4f8b\u5916<\/p>\n<div class=\"List-indent\">\n\t\t\t\u30b7\u30b9\u30c6\u30e0\u4f8b\u5916\u3068\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u7684\u306a\u969c\u5bb3\u3067\u3001\u4f8b\u3048\u3070\u3001\u505c\u96fb\u3084\u30e6\u30fc\u30b6\u304c\u5f37\u5236\u7684\u306b\u96fb\u6e90\u3092\u843d\u3068\u3057\u305f\u308a\u306a\u3069\u306e\u3068\u304d\u306b\u767a\u751f\u3059\u308b\u4f8b\u5916\u3067\u3001JVM\u3084OS\u306b\u4f9d\u5b58\u3059\u308b\u30a8\u30e9\u30fc\u3067\u3059\u3002<br \/>\n\t\t\t\u6b63\u5e38\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u3082\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u307e\u305f\u767a\u751f\u5f8c\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u5185\u3067\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3046\u306b\u306f\u96e3\u3057\u304f\u3001\u901a\u5e38\u3001\u4f8b\u5916\u51e6\u7406\u5bfe\u5fdc\u306f\u3057\u307e\u305b\u3093\u3002\n\t\t<\/div>\n<\/li>\n<li class=\"Base-list__child\">\n\t\t\u696d\u52d9\u4f8b\u5916<\/p>\n<div class=\"List-indent\">\n\t\t\t\u696d\u52d9\u4f8b\u5916\u3068\u306f\u3001\u696d\u52d9\u306e\u4ed5\u69d8\u4e0a\u306e\u4f8b\u5916\u3067\u3001Java\u306e\u6a19\u6e96\u3067\u6c7a\u3081\u3089\u308c\u305f\u4f8b\u5916\u3067\u306f\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u5229\u7528\u3059\u308b\u30e6\u30fc\u30b6\u306e\u696d\u52d9\u4ed5\u69d8\u306b\u3088\u308a\u6c7a\u3081\u305f\u4f8b\u5916\u3067\u3059\u3002<br \/>\n\t\t\t\u4f8b\u3048\u3070\u3001\u300c\u30de\u30a4\u30ca\u30b9\u306e\u6570\u5024\u3092\u5165\u529b\u3055\u308c\u305f\u3089\u30a8\u30e9\u30fc\u300d\u3068\u8a2d\u5b9a\u3057\u305f\u308a\u3001\u30ed\u30b0\u30a4\u30f3\u306e\u6a5f\u80fd\u306e\u4e2d\u3067\u3044\u304f\u3064\u3082\u306eJava\u6a19\u6e96\u306e\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u3063\u3066\u3082\u4e00\u3064\u306e\u300c\u30ed\u30b0\u30a4\u30f3\u30a8\u30e9\u30fc\u300d\u3068\u8a2d\u5b9a\u3057\u305f\u308a\u3059\u308b\u3088\u3046\u306a\u5834\u5408\u3067\u3059\u3002\n\t\t<\/div>\n<\/li>\n<\/ol>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-3-2\"><span class=\"Num\">3.2.<\/span>\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u7a2e\u985e<\/h4>\n<p>\u305d\u308c\u3067\u306f\u3001\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u7a2e\u985e\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u4f8b\u5916\u30af\u30e9\u30b9\u306f\u3001\u591a\u304f\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/exception1.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/exception1.png\" alt=\"exception1\"><br \/>\n<\/a><\/p>\n<p>\u5168\u3066\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306f\u3001Throwable\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\nThrowable\u30af\u30e9\u30b9\u306f\u3001\u4ee5\u4e0b\u306e2\u3064\u306e\u5b50\u30af\u30e9\u30b9\u306b\u7d99\u627f\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5168\u3066\u306e\u30af\u30e9\u30b9\u306f\u3001\u3053\u306e2\u3064\u306e\u5b50\u30af\u30e9\u30b9\u306e\u3069\u3061\u3089\u304b\u3092\u7d99\u627f\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ol class=\"Base-list Base-list--ol\">\n<li class=\"Base-list__child\">\n\t\tError\u30af\u30e9\u30b9<\/p>\n<div class=\"List-indent\">\n\t\t\tError\u30af\u30e9\u30b9\u306f\u3001JVM\u306e\u30a8\u30e9\u30fc\u306a\u3069\u4f55\u3089\u304b\u81f4\u547d\u7684\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u4f8b\u5916\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u3053\u306eError\u30af\u30e9\u30b9\u304b\u3089\u751f\u6210\u3055\u308c\u307e\u3059\u3002<br \/>\n\t\t\t\u305f\u3060\u3001\u3053\u3046\u3044\u3063\u305f\u81f4\u547d\u7684\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u4f8b\u5916\u51e6\u7406\u3092\u884c\u304a\u3046\u306b\u3082\u5b9f\u884c\u81ea\u4f53\u304c\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u901a\u5e38\u3001Error\u30af\u30e9\u30b9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u4f8b\u5916\u51e6\u7406\u306f\u884c\u3044\u307e\u305b\u3093\u3002\n\t\t<\/div>\n<\/li>\n<li class=\"Base-list__child\">\n\t\tException\u30af\u30e9\u30b9<\/p>\n<div class=\"List-indent\">\n\t\t\tException\u30af\u30e9\u30b9\u306f\u3001\u901a\u5e38\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u3067\u3059\u3002<br \/>\n\t\t\t\u3053\u306e\u30af\u30e9\u30b9\u306e\u5b50\u30af\u30e9\u30b9\u306f\u591a\u6570\u5b58\u5728\u3057\u3001\u8272\u3005\u306a\u51e6\u7406\u3067\u30a8\u30e9\u30fc\u3068\u3057\u3066\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n<p>\t\t\tException\u30af\u30e9\u30b9\u306e\u5b50\u30af\u30e9\u30b9\u306b\u3001RuntimeException\u30af\u30e9\u30b9\u3068\u3044\u3046\u30af\u30e9\u30b9\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u306eRuntimeException\u30af\u30e9\u30b9\u306e\u5b50\u30af\u30e9\u30b9\u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u4f8b\u5916\u306f\u3001\u4f8b\u5916\u51e6\u7406\u304c\u5fc5\u9808\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u66f8\u3044\u3066\u3082\u66f8\u304b\u306a\u304f\u3066\u3082\u826f\u3044\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\t\t\t\u4f8b\u3048\u3070\u30010\u9664\u7b97\u306e\u30a8\u30e9\u30fc\u3084\u578b\u5909\u63db\u306e\u30a8\u30e9\u30fc\u306a\u3069\u304c\u8a72\u5f53\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u4f8b\u5916\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u306a\u304f\u3082\u30d7\u30ed\u30b0\u30e9\u30e0\u30ed\u30b8\u30c3\u30af\u3067\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u306e\u3067\u3001\u4f8b\u5916\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u306a\u304f\u3066\u3082\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\t\t\tException\u30af\u30e9\u30b9\u306e\u5b50\u30af\u30e9\u30b9\u3067RuntimeException\u4ee5\u5916\u306e\u5b50\u30af\u30e9\u30b9\u306f\u3001\u5168\u3066\u4f8b\u5916\u51e6\u7406\u306f\u5fc5\u9808\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\t\t\t\u4f8b\u3048\u3070\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u63a5\u7d9a\u3084\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30c7\u30fc\u30bf\u306e\u66f8\u304d\u8fbc\u307f\u306a\u3069\u306f\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u3001\u307e\u305f\u30ed\u30b8\u30c3\u30af\u3067\u56de\u907f\u3059\u308b\u3053\u3068\u306f\u56f0\u96e3\u3067\u3042\u308b\u305f\u3081\u3001\u5fc5\u305a\u4f8b\u5916\u51e6\u7406\u3092\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\t\t\t\u4f8b\u5916\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u306a\u3044\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308b\u306e\u3067\u3001\u6c17\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u4ed6\u3001\u4f8b\u5916\u51e6\u7406\u304c\u5fc5\u9808\u3067\u3042\u308b\u4f8b\u5916\u30af\u30e9\u30b9\u3068\u3057\u3066\u306f\u3001\u958b\u767a\u8005\u304c\u72ec\u81ea\u3067\u5b9a\u7fa9\u3057\u305f\u72ec\u81ea\u4f8b\u5916\u30af\u30e9\u30b9\u3082\u540c\u69d8\u306b\u306a\u308a\u307e\u3059\u3002\n\t\t<\/p><\/div>\n<\/li>\n<\/ol>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-3-3\"><span class=\"Num\">3.3.<\/span>\u4f8b\u5916\u767a\u751f<\/h4>\n<p>\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306e\u30a8\u30e9\u30fc\u8868\u793a\u306b\u3064\u3044\u3066\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u30010\u9664\u7b97\u30a8\u30e9\u30fc\u3067\u767a\u751f\u3059\u308bArithmeticException\u3068\u3044\u3046\u4f8b\u5916\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyExceptionSample.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyExceptionSample {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ 0\u9664\u7b97\u306e\u305f\u3081\u30a8\u30e9\u30fc\r\n\t\tint x = 5 \/ 0;\r\n\r\n\t\tSystem.out.println(\"0\u9664\u7b97\u306e\u305f\u3081\u30a8\u30e9\u30fc\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">\u5b9f\u884c\u7d50\u679c<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>Exception in thread \"main\" java.lang.ArithmeticException:\/by zero\r\nat MyExceptionSample.main(MyExceptionSample.java:5)<\/code><\/pre>\n<p>\u5b9f\u884c\u7d50\u679c1\u884c\u76ee\u3067\u3001\u767a\u751f\u3057\u305f\u4f8b\u5916\u304c\u300cjava.lang.ArithmeticException\u300d\u3067\u3042\u308a\u3001\u300cby zero\u300d\u30670\u9664\u7b97\u306b\u3088\u308b\u30a8\u30e9\u30fc\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u5b9f\u884c\u7d50\u679c2\u884c\u76ee\u306e\u300cMyExceptionSample.java:5\u300d\u3067\u4f8b\u5916\u767a\u751f\u3057\u305f\u5834\u6240\u304c\u30bd\u30fc\u30b9\u306e5\u884c\u76ee\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<br \/>\n\u4f8b\u5916\u304c\u767a\u751f\u3057\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u51fa\u529b\u3055\u308c\u308b\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u304c5\u884c\u76ee\u3067\u4e2d\u65ad\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u305d\u306e\u6b21\u306e\u300c0\u9664\u7b97\u306e\u305f\u3081\u30a8\u30e9\u30fc\u300d\u3068\u3044\u3046\u6587\u5b57\u5217\u306f\u51fa\u529b\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u4e0a\u8ff0\u3057\u305f\u3088\u3046\u306b\u3001\u3069\u3053\u3067\u3001\u3069\u306e\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u8a73\u7d30\u306b\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u304d\u3061\u3093\u3068\u8aad\u307f\u89e3\u304f\u3053\u3068\u304c\u3001\u30d0\u30b0\u6539\u4fee\u306e\u7cbe\u5ea6\u3084\u30b9\u30d4\u30fc\u30c9\u306e\u5411\u4e0a\u306b\u7e4b\u304c\u3063\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001<span class=\"Text-highlight\">\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u306f\u3001\u5fc5\u305a\u81ea\u8eab\u3067\u3057\u3063\u304b\u308a\u3068\u8aad\u307f\u89e3\u304f\u30af\u30bb\u3092\u3064\u3051\u307e\u3057\u3087\u3046\u3002<\/span><\/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>try\u30fb\u30fbcatch\u6587<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u5b9f\u969b\u306b\u4f8b\u5916\u51e6\u7406\u306e\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3057\u3087\u3046\u3002<br \/>\n\u4f8b\u5916\u51e6\u7406\u306b\u3064\u3044\u3066\u306f\u3001try\u30fb\u30fbcatch\u3068\u3044\u3046\u69cb\u6587\u3067\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u57fa\u672c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>try\u30fb\u30fbcatch\u6587\u306e\u69cb\u6587\u306f\u3001\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3044\u305f\u3044\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u7b87\u6240\u306btry{}\u3067\u62ec\u3063\u3066\u3001\u305d\u306etry{}\u306e\u4e0b\u306bcatch\u3092\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u3001\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001catch\u306b\u5236\u5fa1\u3092\u79fb\u3059\u3088\u3046\u306b\u3057\u307e\u3059\u3002<br \/>\ncatch\u306e\u3068\u3053\u308d\u306b\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\u306a\u3069\u4f8b\u5916\u767a\u751f\u6642\u306b\u884c\u3044\u305f\u3044\u51e6\u7406\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>try {\r\n\t\/\/\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\r\n\r\n} catch (\u4f8b\u5916\u30af\u30e9\u30b9\u540d e\uff08\u4f8b\u5916\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u53c2\u7167\u5909\u6570\u540d\uff09) {\r\n\t\/\/ \u4f8b\u5916\u3092\u53d7\u3051\u6b62\u3081\u308bcatch\u30d6\u30ed\u30c3\u30af\r\n\t\/\/ try{}\u306e\u4e2d\u3067\u767a\u751f\u3057\u305f\u4f8b\u5916\u3092\u8a72\u5f53\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8e\u3067\u53d7\u3051\u6b62\u3081\u307e\u3059\u3002\r\n\t\/\/ \u3053\u3053\u306b\u4f8b\u5916\u767a\u751f\u6642\u306b\u884c\u3044\u305f\u3044\u51e6\u7406\uff08\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\u306a\u3069\uff09\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\r\n}<\/code><\/pre>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/exception2.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/exception2.png\" alt=\"exception2\"><br \/>\n<\/a><\/p>\n<p>\u307e\u305f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bcatch\u6587\u3092\u8907\u6570\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002<br \/>\ntry{}\u306e\u4e2d\u3067\u8907\u6570\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u3001\u307e\u305f\u8907\u6570\u4f8b\u5916\u306e\u51e6\u7406\u3092\u884c\u3044\u305f\u3044\u5834\u5408\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\u5404\u4f8b\u5916\u306e\u8a72\u5f53\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u3068\u3053\u308d\u3067catch\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306a\u8a18\u8ff0\u3092\u3059\u308b\u3068\u3001\u4f8b\u5916\u51e6\u7406\u5185\u5bb9\u3092\u5404\u4f8b\u5916\u306b\u5408\u308f\u305b\u3066\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>try {\r\n\t\/\/ \u4f8b\u59161\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\r\n\t\/\/ \u4f8b\u59162\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\r\n\t\/\/ \u4f8b\u59163\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\r\n\r\n} catch (\u4f8b\u59161\u30af\u30e9\u30b9\u540d e\uff08\u4f8b\u59161\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u53c2\u7167\u5909\u6570\u540d\uff09) {\r\n\t\/\/ \u4f8b\u59161\u3092\u53d7\u3051\u6b62\u3081\u308bcatch\u30d6\u30ed\u30c3\u30af\r\n\t\/\/ try{}\u306e\u4e2d\u3067\u767a\u751f\u3057\u305f\u4f8b\u59161\u3092\u8a72\u5f53\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8e\u3067\u53d7\u3051\u6b62\u3081\u307e\u3059\u3002\r\n\t\/\/ \u3053\u3053\u306b\u4f8b\u5916\u767a\u751f\u6642\u306b\u884c\u3044\u305f\u3044\u51e6\u7406\uff08\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\u306a\u3069\uff09\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\r\n\r\n} catch (\u4f8b\u59162\u30af\u30e9\u30b9\u540d e\uff08\u4f8b\u59162\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u53c2\u7167\u5909\u6570\u540d\uff09) {\r\n\t\/\/ \u4f8b\u59162\u3092\u53d7\u3051\u6b62\u3081\u308bcatch\u30d6\u30ed\u30c3\u30af\r\n\t\/\/ try{}\u306e\u4e2d\u3067\u767a\u751f\u3057\u305f\u4f8b\u59162\u3092\u8a72\u5f53\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8e\u3067\u53d7\u3051\u6b62\u3081\u307e\u3059\u3002\r\n\t\/\/ \u3053\u3053\u306b\u4f8b\u5916\u767a\u751f\u6642\u306b\u884c\u3044\u305f\u3044\u51e6\u7406\uff08\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\u306a\u3069\uff09\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\r\n\r\n} catch (\u4f8b\u59163\u30af\u30e9\u30b9\u540d e\uff08\u4f8b\u59163\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u53c2\u7167\u5909\u6570\u540d\uff09) {\r\n\t\/\/ \u4f8b\u59163\u3092\u53d7\u3051\u6b62\u3081\u308bcatch\u30d6\u30ed\u30c3\u30af\r\n\t\/\/ try{}\u306e\u4e2d\u3067\u767a\u751f\u3057\u305f\u4f8b\u59163\u3092\u8a72\u5f53\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8e\u3067\u53d7\u3051\u6b62\u3081\u307e\u3059\u3002\r\n\t\/\/ \u3053\u3053\u306b\u4f8b\u5916\u767a\u751f\u6642\u306b\u884c\u3044\u305f\u3044\u51e6\u7406\uff08\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\u306a\u3069\uff09\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\r\n}<\/code><\/pre>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-4-1\"><span class=\"Num\">4.1.<\/span>finally\u30d6\u30ed\u30c3\u30af<\/h4>\n<p>finally\u30d6\u30ed\u30c3\u30af\u306f\u3001\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3057\u306a\u3044\u306b\u95a2\u4fc2\u7121\u304f\u3001\u5e38\u306b\u5b9f\u884c\u3055\u308c\u308b\u30d6\u30ed\u30c3\u30af\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>try {\r\n\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u51e6\u7406\r\n\r\n} catch (\u4f8b\u5916\u30af\u30e9\u30b9 \u53c2\u7167\u578b\u5909\u6570) {\r\n\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306e\u51e6\u7406\r\n\r\n} finally {\r\n\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3082\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u3082\u5b9f\u884c\u3059\u308b\u51e6\u7406\r\n\r\n}<\/code><\/pre>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/exception3.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/exception3.png\" alt=\"exception3\"><br \/>\n<\/a><\/p>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-4-2\"><span class=\"Num\">4.2.<\/span>\u4f8b\u5916\u51e6\u7406\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9<\/h4>\n<p>\u305d\u308c\u3067\u306f\u3001\u4f8b\u5916\u51e6\u7406\u306e\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<br \/>\n\u4ee5\u4e0b\u306f\u3001int\u578b\u306e0\u9664\u7b97\u3067ArithmeticException\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyException1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyException1 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tint a, b, c;\r\n\t\ta = 3;\r\n\t\tb = 0;\r\n\r\n\t\t\/\/ \u5909\u6570a\u3092\u5909\u6570b(\u5024\u306f0)\u3067\u5272\u308b\u3068\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\r\n\t\tc = a \/ b;\r\n\r\n\t\tSystem.out.println(\"\u6b63\u5e38\u7d42\u4e86\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\u5b9f\u884c\u3059\u308b\u3068\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u753b\u9762\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4f8b\u5916\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">\u5b9f\u884c\u7d50\u679c<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>Exception in thread \"main\" java.lang.ArithmeticException:\/by zero\r\nat MyException1.main(MyException1.java:9)<\/code><\/pre>\n<p>\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3068\u3001Java\u4eee\u60f3\u30de\u30b7\u30f3\u306f\u3001\u305d\u306e\u4f8b\u5916\u306b\u5bfe\u3059\u308bcatch\u6587\u3092\u63a2\u3057\u307e\u3059\u3002<br \/>\n\u3082\u3057\u3001\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u5185\u306b\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306f\u3001\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u3001catch\u30d6\u30ed\u30c3\u30af\u3092\u63a2\u3057\u307e\u3059\u3002<br \/>\n\u6700\u7d42\u7684\u306bmain\u30e1\u30bd\u30c3\u30c9\u3067\u3082\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u5f37\u5236\u7684\u306b\u7d42\u4e86\u3057\u3001\u753b\u9762\u306b\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u3053\u3068\u3092\u77e5\u3089\u305b\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u4e0a\u8a18\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u300cMyException1\u300d\u306b\u4f8b\u5916\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyException1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyException1 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tint a, b, c;\r\n\t\ta = 3;\r\n\t\tb = 0;\r\n\r\n\t\ttry {\r\n\t\t\t\/\/ \u5909\u6570a\u3092\u5909\u6570b(\u5024\u306f0)\u3067\u5272\u308b\u3068\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\r\n\t\t\tc = a \/ b;\r\n\r\n\t\t} catch (ArithmeticException e) {\r\n\t\t\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3068\u5b9f\u884c\u3057\u307e\u3059\r\n\t\t\tSystem.out.println(\"\u4f8b\u5916\u767a\u751f\");\r\n\t\t\treturn;\r\n\r\n\t\t} finally {\r\n\t\t\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3057\u3066\u3082\u3057\u306a\u304f\u3066\u3082\u5b9f\u884c\u3057\u307e\u3059\r\n\t\t\tSystem.out.println(\"finally\u3067\u3059\u3002\");\r\n\t\t}\r\n\t\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3057\u306a\u3051\u308c\u3070\u5b9f\u884c\u3057\u307e\u3059\r\n\t\tSystem.out.println(\"\u6b63\u5e38\u7d42\u4e86\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\u4f8b\u5916\u51e6\u7406\u3092\u6b63\u3057\u304f\u884c\u3048\u3070\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u5f37\u5236\u7684\u306b\u7d42\u4e86\u3059\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\n\u5b9f\u884c\u3059\u308b\u3068\u3001\u753b\u9762\u306b\u300c\u4f8b\u5916\u767a\u751f\u300d\u3068\u8868\u793a\u3057\u3066\u3001return\u6587\u306b\u3088\u308a\u3001main\u30e1\u30bd\u30c3\u30c9\u304c\u7d42\u4e86\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<br \/>\nreturn\u6587\u3067main\u30e1\u30bd\u30c3\u30c9\u304c\u7d42\u4e86\u3059\u308b\u524d\u306b\u3001finally\u6587\u304c\u5b9f\u884c\u3055\u308c\u3001\u300cfinally\u3067\u3059\u3002\u300d\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">\u5b9f\u884c\u7d50\u679c<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\u4f8b\u5916\u767a\u751f\r\nfinally\u3067\u3059\u3002<\/code><\/pre>\n<p>try\u30fb\u30fbcatch\u6587\u306e\u4f7f\u3044\u65b9\u306f\u7406\u89e3\u3067\u304d\u305f\u3067\u3057\u3087\u3046\u304b\u3002\u4f8b\u5916\u51e6\u7406\u306f\u3001\u91cd\u8981\u306a\u6587\u6cd5\u3067\u3059\u306e\u3067\u3001\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-5\"><span class=\"Num\">5.<\/span>throw\u6587<\/h3>\n<p>throw\u3068\u3044\u3046\u69cb\u6587\u3092\u4f7f\u3063\u3066\u3001\u610f\u56f3\u7684\u306b\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u6295\u3052\u3089\u308c\u305f\u4f8b\u5916\u306f\u3001\u305d\u306e\u4f8b\u5916\u3092\u53d7\u3051\u53d6\u308c\u308bcatch\u30d6\u30ed\u30c3\u30af\u3067\u51e6\u7406\u3057\u307e\u3059\u3002<br \/>\nthrow\u6587\u3092\u5229\u7528\u3059\u308b\u3068try\u306e\u4e2d\u3067\u5f37\u5236\u7684\u306bcatch\u3078\u5236\u5fa1\u3092\u79fb\u884c\u3055\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u304cthrow\u6587\u306e\u66f8\u5f0f\u3067\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>throw new \u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf();<\/code><\/pre>\n<p>\u3059\u3067\u306b\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u53c2\u7167\u578b\u5909\u6570\u306b\u30bb\u30c3\u30c8\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u69cb\u6587\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>throw \u4f8b\u5916\u30af\u30e9\u30b9\u578b\u53c2\u7167\u5909\u6570;<\/code><\/pre>\n<p>\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002\u5b9f\u884c\u3059\u308b\u3068\u3001ArithmeticException\u4f8b\u5916\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyException2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyException2 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tint a = 0;\r\n\r\n\t\tif (a == 0) {\r\n\t\t\t\/\/ \u610f\u56f3\u7684\u306b ArithmeticException \u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u307e\u3059\r\n\t\t\tthrow new ArithmeticException();\r\n\t\t}\r\n\t}\r\n}<\/code><\/pre>\n<div class=\"Pre-title\">\u5b9f\u884c\u7d50\u679c<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>Exception in thread \"main\" java.lang.ArithmeticException\r\nat MyException2.main(MyException2.java:8)<\/code><\/pre>\n<p>\u3053\u308c\u306f\u4f8b\u3067\u3042\u308aArithmeticException\u306fRuntimeException\u30af\u30e9\u30b9\u306e\u5b50\u30af\u30e9\u30b9\u306a\u306e\u3067\u3001try&#8230;&#8203;catch\u306e\u8a18\u8ff0\u306f\u5f37\u5236\u3055\u308c\u307e\u305b\u3093\u3002<br \/>\n\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001try\u30d6\u30ed\u30c3\u30af\u5185\u3067\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u3066\u3001\u4e00\u81f4\u3059\u308b\u4f8b\u5916\u30af\u30e9\u30b9\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u308bcatch\u30d6\u30ed\u30c3\u30af\u306b\u5236\u5fa1\u3092\u79fb\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>try {\r\n\t\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u51e6\u74061\r\n\tif (\u6761\u4ef6\u5f0f) {\r\n\t\t\/\/ \u6761\u4ef6\u5f0f\u304ctrue\u306a\u3089throw\u3057\u307e\u3059\r\n\t\tthrow new \u4f8b\u5916\u30af\u30e9\u30b9 A();\r\n\t}\r\n\t\t\/\/ throw\u3055\u308c\u308b\u3068catch\u3078\u98db\u3076\u306e\u3067\u3053\u3053\u306f\u3001\u5b9f\u884c\u3055\u308c\u307e\u305b\u3093\r\n\t\t\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u51e6\u74062;\r\n\r\n\t} catch (\u4f8b\u5916\u30af\u30e9\u30b9 A \u53c2\u7167\u5909\u6570) {\r\n\t\t\u4f8b\u5916 A \u304c\u767a\u751f\u3057\u305f\u3068\u304d\u306e\u51e6\u7406;\r\n\t}\r\n\t\t\u30fb\r\n\t\t\u30fb\r\n\t\t\u30fb\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-6\"><span class=\"Num\">6.<\/span>\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\u30af\u30e9\u30b9<\/h3>\n<p>Java\u306e\u6a19\u6e96\u4f8b\u5916\u30af\u30e9\u30b9\u306f\u6570\u591a\u304f\u3042\u308a\u307e\u3059\u3002API\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u3001JDK\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30af\u30e9\u30b9\u304c\u3069\u306e\u3088\u3046\u306a\u3068\u304d\u306b\u3069\u306e\u3088\u3046\u306a\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u306e\u304b\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30e1\u30bd\u30c3\u30c9\u304c\u6295\u3052\u308b\u4f8b\u5916\u306e\u7a2e\u985e\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u5ba3\u8a00\u3092\u8abf\u3079\u3001\u305d\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u8a73\u3057\u3044\u5185\u5bb9\u306f\u3001Exception\u30af\u30e9\u30b9\u306e\u5b50\u30af\u30e9\u30b9\u3092\u8abf\u3079\u307e\u3059\u3002<\/p>\n<p>\u3082\u3057\u3001\u76ee\u7684\u306b\u5408\u3046\u4f8b\u5916\u30af\u30e9\u30b9\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u3001Exception\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u305f\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002<br \/>\n\u4f8b\u5916\u30af\u30e9\u30b9\u3082\u3001Exception\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3066\u3044\u308b\u4ee5\u5916\u306f\u3001\u4ed6\u306e\u30af\u30e9\u30b9\u3068\u5168\u304f\u540c\u3058\u3067\u3059\u3002<br \/>\n\u5fc5\u8981\u3067\u3042\u308c\u3070\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3084\u30e1\u30bd\u30c3\u30c9\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002Exception\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3066\u3001MyErrException\u30af\u30e9\u30b9\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u307e\u305f\u3001\u5f15\u6570\u306a\u3057\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3082\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyErrException.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyErrException extends Exception {\r\n\tMyErrException() {\r\n\t\tSystem.out.println(\"\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\");\r\n\t}\r\n}<\/code><\/pre>\n<p>\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\u30af\u30e9\u30b9\u306f\u3001throw\u6587\u3067\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u3001try\u30fb\u30fbcatch\u306e\u51e6\u7406\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyException3.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyException3 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tint a = 0;\r\n\r\n\t\tif (a == 0) {\r\n\t\t\t\/\/ \u4f8b\u5916\u51e6\u7406\u306f\u7701\u7565\u3067\u304d\u306a\u3044\u3002\r\n\t\t\ttry {\r\n\t\t\t\tthrow new MyErrException();\r\n\r\n\t\t\t} catch (MyErrException e) {\r\n\t\t\t\tSystem.out.println(\"MyErrException\u767a\u751f\");\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n}<\/code><\/pre>\n<div class=\"Pre-title\">\u5b9f\u884c\u7d50\u679c<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\r\nMyErrException\u767a\u751f<\/code><\/pre>\n<p>\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\u30af\u30e9\u30b9\u306f\u3001RuntimeException\u30af\u30e9\u30b9\u306e\u5b50\u30af\u30e9\u30b9\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u4f8b\u5916\u51e6\u7406\u306f\u7701\u7565\u3067\u304d\u307e\u305b\u3093\u3002<br \/>\n\u7701\u7565\u3059\u308b\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u6ce8\u610f\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-7\"><span class=\"Num\">7.<\/span>throws\u6587<\/h3>\n<p>\u5b9a\u7fa9\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u304c\u4f8b\u5916\u3092\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u3001\u305d\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u30e1\u30bd\u30c3\u30c9\u306e\u5ba3\u8a00\u306b\u660e\u793a\u7684\u306b\u8a18\u8ff0\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30e1\u30bd\u30c3\u30c9\u306e\u4e2d\u3067throws\u3067\u660e\u793a\u3057\u305f\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u305d\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u51e6\u7406\u304c\u7d42\u4e86\u3057\u3001\u547c\u3073\u51fa\u3057\u5143\u306b\u5236\u5fa1\u304c\u79fb\u308a\u307e\u3059\u3002<br \/>\n\u3053\u306e\u3068\u304d\u3001\u767a\u751f\u3057\u305f\u4f8b\u5916\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u547c\u3073\u51fa\u3057\u5143\u306b\u305d\u306e\u307e\u307e\u5f15\u304d\u6e21\u3055\u308c\u307e\u3059\u3002<br \/>\n\u3088\u3063\u3066\u3001throws\u3092\u5b9a\u7fa9\u3057\u305f\u3068\u304d\u306f\u4f8b\u5916\u51e6\u7406\u3092\u547c\u3073\u51fa\u3057\u5143\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\nthrows\u6587\u306f\u660e\u793a\u7684\u306b\u5ba3\u8a00\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30bd\u30c3\u30c9\u3067\u767a\u751f\u3059\u308b\u4f8b\u5916\u306e\u7a2e\u985e\u304c\u3059\u3050\u306b\u5206\u304b\u308b\u305f\u3081\u3001\u5229\u7528\u3059\u308b\u3068\u304d\u306b\u4f8b\u5916\u51e6\u7406\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30e1\u30bd\u30c3\u30c9\u5b9a\u7fa9\u3067\u4f8b\u5916\u306e\u5ba3\u8a00\u3092\u3059\u308b\u69cb\u6587\u306f\u3001throws\u6587\u3067\u3059\u3002\u4ee5\u4e0b\u304c\u66f8\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\u623b\u308a\u5024\u306e\u30c7\u30fc\u30bf\u578b \u30e1\u30bd\u30c3\u30c9\u540d() throws \u4f8b\u5916\u30af\u30e9\u30b9\u540d {\r\n}<\/code><\/pre>\n<p>\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002myTest\u30e1\u30bd\u30c3\u30c9\u3067ArithmeticException\u306e\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u660e\u793a\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3092\u5229\u7528\u3059\u308b\u3068\u304d\u306b\u3053\u306e\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001ArithmeticException\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5f15\u304d\u6e21\u3055\u308c\u3066\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>void myTest() throws ArithmeticException {\r\n\tint a, b, c;\r\n\ta=3;\r\n\tb=0;\r\n\r\n\t\/\/ ArithmeticException\u4f8b\u5916\u304c\u767a\u751f\r\n\tc = a \/ b;\r\n}<\/code><\/pre>\n<p>\u8907\u6570\u306e\u4f8b\u5916\u3092\u8fd4\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306f\u3001throws\u306e\u5f8c\u308d\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u30ab\u30f3\u30de\u3067\u533a\u5207\u3063\u3066\u8a18\u8ff0\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>void myTest() throws ArithmeticException, NumberFormatException {\r\n\tint a, b, c, d;\r\n\ta=3;\r\n\tb=0;\r\n\r\n\t\/\/ NumberFormatException\u4f8b\u5916\u306e\u767a\u751f\u306e\u53ef\u80fd\u6027\u3042\u308a\r\n\td = Integer.parseInt(args[0]);\r\n\r\n\t\/\/ ArithmeticException\u4f8b\u5916\u304c\u767a\u751f\r\n\tc = a \/ b * d;\r\n}<\/code><\/pre>\n<p><a class=\"Ext Image-link\" href=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/exception4.png\"><br \/>\n\t<img decoding=\"async\" src=\"https:\/\/techfun.cc\/wp-content\/uploads\/2024\/06\/exception4.png\" alt=\"exception4\"><br \/>\n<\/a><\/p>\n<p>ArithmeticException\u30af\u30e9\u30b9\u3084NumberFormatException\u30af\u30e9\u30b9\u306f\u3001RuntimeException\u306e\u5b50\u30af\u30e9\u30b9\u306a\u306e\u3067\u3001\u30b5\u30f3\u30d7\u30eb\u306emyTest\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3059\u3068\u304d\u306b\u4f8b\u5916\u51e6\u7406\u306f\u5f37\u5236\u3055\u308c\u307e\u305b\u3093\u3002<br \/>\n\u3057\u304b\u3057\u3001RuntimeException\u4ee5\u5916\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u3092throws\u5ba3\u8a00\u3057\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u5834\u5408\u306f\u3001\u4f8b\u5916\u51e6\u7406\u3092\u5b9f\u88c5\u3057\u306a\u3044\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u3001myErrTest\u30e1\u30bd\u30c3\u30c9\u304c\u30aa\u30ea\u30b8\u30ca\u30ebMyErrException\u4f8b\u5916\u3092\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u5b9f\u884c\u3059\u308b\u3068\u3001myErrTest\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3070\u308c\u307e\u3059\u3002\u3053\u306emyErrTest\u3067\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u3066\u3001\u547c\u3073\u51fa\u3057\u5143\u3067\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyException4.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyException4 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tint a = 0;\r\n\r\n\t\tif (a == 0) {\r\n\t\t\t\/\/ \u4f8b\u5916\u51e6\u7406\u306f\u7701\u7565\u3067\u304d\u307e\u305b\u3093\r\n\t\t\ttry {\r\n\t\t\t\t\/\/ MyErrException \u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u3042\u308a\r\n\t\t\t\tmyErrTest();\r\n\r\n\t\t\t} catch (MyErrException e) {\r\n\t\t\t\tSystem.out.println(\"MyErrException\u767a\u751f\");\r\n\t\t\t}\r\n\t\t}\r\n\t}\r\n\r\n\tstatic void myErrTest() throws MyErrException {\r\n\t\tthrow new MyErrException();\r\n\t}\r\n}<\/code><\/pre>\n<div class=\"Pre-title\">\u5b9f\u884c\u7d50\u679c<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\r\nMyErrException\u767a\u751f<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001throws\u6587\u306f\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u3068\u3053\u308d\u3067\u4f8b\u5916\u51e6\u7406\u3092\u305b\u305a\u306b\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u5143\u306b\u4f8b\u5916\u51e6\u7406\u3092\u4efb\u305b\u3066\u3057\u307e\u3046\u65b9\u6cd5\u3067\u3059\u3002<br \/>\nthrows\u6587\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u547c\u3073\u51fa\u3057\u5143\u3067\u3069\u306e\u3088\u3046\u306a\u4f8b\u5916\u51e6\u7406\u3092\u884c\u3046\u306e\u304b\u3092\u6c7a\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u547c\u3073\u51fa\u3057\u5143\u306e\u30af\u30e9\u30b9\u3067\u69d8\u3005\u306a\u30af\u30e9\u30b9\u3092\u547c\u3073\u51fa\u3059\u5834\u5408\u306b\u3001\u4f8b\u5916\u51e6\u7406\u3092\u5171\u901a\u5316\u3057\u305f\u308a\u3001\u547c\u3073\u51fa\u3057\u305f\u30af\u30e9\u30b9\u3067\u767a\u751f\u3057\u5f97\u308b\u4f8b\u5916\u306e\u51e6\u7406\u306e\u6f0f\u308c\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u3082\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001throws\u6587\u306f\u3001throw\u6587\u3068\u5358\u8a9e\u306f\u4f3c\u3066\u3044\u307e\u3059\u304c\u3001\u610f\u56f3\u7684\u306b\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308bthrow\u6587\u3068\u306f\u5168\u304f\u5f79\u5272\u304c\u7570\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u6df7\u540c\u3057\u306a\u3044\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>\u4f8b\u5916\u30cf\u30f3\u30c9\u30e9\u306e\u691c\u7d22<\/h3>\n<p>try\u30fb\u30fbcatch\u6587\u306ecatch\u306e\u4e2d\u306b\u8a18\u8ff0\u3055\u308c\u308b\u4f8b\u5916\u767a\u751f\u6642\u306e\u51e6\u7406\u5185\u5bb9\uff08\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\u3001\u30a8\u30e9\u30fc\u30ed\u30b0\u66f8\u304d\u51fa\u3057\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u9001\u4fe1\u306a\u3069\uff09\u3092\u300c\u4f8b\u5916\u30cf\u30f3\u30c9\u30e9\u300d\u3068\u547c\u3073\u307e\u3059\u3002<br \/>\n\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u8a72\u5f53\u3059\u308b\u4f8b\u5916\u30af\u30e9\u30b9\u304c\u8a18\u8ff0\u3055\u308c\u3066\u3044\u308bcatch\u6587\u3092\u691c\u7d22\u3057\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001ArithmeticException\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306acatch\u6587\u3067\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>} catch (ArithmeticException e) {\r\n\t\/\/ \u4f8b\u5916\u30cf\u30f3\u30c9\u30e9\u306e\u8a18\u8ff0\r\n}<\/code><\/pre>\n<p>\u307e\u305f\u3001Exception\u30af\u30e9\u30b9\u306f\u3001ArithmeticException\u306e\u89aa\u30af\u30e9\u30b9\u306b\u3042\u305f\u308a\u307e\u3059\u306e\u3067\u3001ArithmeticException\u306e\u4f8b\u5916\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001Exception\u30af\u30e9\u30b9\u3067\u3082\u30ad\u30e3\u30c3\u30c1\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>} catch (Exception e) {\r\n\t\/\/ \u4f8b\u5916\u30cf\u30f3\u30c9\u30e9\u306e\u8a18\u8ff0\r\n}<\/code><\/pre>\n<p>\u8907\u6570\u306ecatch\u6587\u3067\u8a18\u8ff0\u3059\u308b\u5834\u5408\u3001\u5148\u306bException\u30af\u30e9\u30b9\u306ecatch\u6587\u3092\u8a18\u8ff0\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<br \/>\nException\u30af\u30e9\u30b9\u304c\u5168\u3066\u306e\u4f8b\u5916\u304c\u30ad\u30e3\u30c3\u30c1\u3055\u308c\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u305d\u308c\u4ee5\u4e0b\u306ecatch\u6587\u3067\u51e6\u7406\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305a\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\/\/ \u5168\u3066\u306e\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3066\u3001\u4f8b\u5916\u51e6\u7406\r\n} catch (Exception e) {\r\n\r\n\/\/ Exception\u3067\u30ad\u30e3\u30c3\u30c1\u3055\u308c\u5b9f\u884c\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\r\n} catch (ArithmeticException e) {\r\n\r\n}<\/code><\/pre>\n<p>\u3088\u3063\u3066\u3001\u8907\u6570\u306ecatch\u6587\u3092\u8a18\u8ff0\u3059\u308b\u5834\u5408\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u89aa\u30af\u30e9\u30b9\u306e\u8a18\u8ff0\u306f\u3001\u5f8c\u306b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"Copy prettyprint lang-js\"><code>\/\/ ArithmeticException\u306e\u4f8b\u5916\u51e6\u7406\r\n} catch (ArithmeticException e) {\r\n\r\n\/\/ ArithmeticException\u4ee5\u5916\u306eException\u306e\u4f8b\u5916\u51e6\u7406\r\n} catch (Exception e) {\r\n\r\n}<\/code><\/pre>\n<p>throws\u6587\u3092\u660e\u793a\u7684\u306b\u8a18\u8ff0\u305b\u305a\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u4f8b\u5916\u304c\u767a\u751f\u3057\u3001catch\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u547c\u3073\u51fa\u3057\u5074\u306b\u4f8b\u5916\u30cf\u30f3\u30c9\u30e9\u3092\u63a2\u3057\u306b\u884c\u304d\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u304c\u30b5\u30f3\u30d7\u30eb\u30bd\u30fc\u30b9\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyException5.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyException5 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\/\/ \u4f8b\u5916\u304ccatch\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u5f37\u5236\u7d42\u4e86\u3057\u3001\u4f8b\u5916\u304c\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u307e\u3059\r\n\t\t\/\/ myTest1\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\r\n\t\tmyTest1();\r\n\t}\r\n\r\n\tstatic void myTest1() {\r\n\t\t\/\/ myTest1\u30e1\u30bd\u30c3\u30c9\u3067\u306fmyTest2\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\r\n\t\tmyTest2();\r\n\t}\r\n\r\n\tstatic void myTest2() {\r\n\t\t\/\/ myTest2\u30e1\u30bd\u30c3\u30c9\u3067\u306fmyTest3\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u307e\u3059\r\n\t\tmyTest3();\r\n\t}\r\n\r\n\tstatic void myTest3() {\r\n\t\tint a, b, c;\r\n\t\ta = 3;\r\n\t\tb = 0;\r\n\r\n\t\t\/\/ \u4f8b\u5916\u306f\u767a\u751f\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u5185\u3067 catch \u3057\u306a\u3044\u3068\u3001\u547c\u3073\u51fa\u3057\u305f\u5074\u3078\u6e21\u3055\u308c\u307e\u3059\r\n\t\t\/\/ myTest3\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\r\n\t\tc = a \/ b;\r\n\t}\r\n}<\/code><\/pre>\n<div class=\"Pre-title\">\u5b9f\u884c\u7d50\u679c<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>Exception in thread \"main\" java.lang.ArithmeticExcetpin: \/ by zero\r\n\tat MyException5.myTest3(MyException5.java:26)\r\n\tat MyException5.myTest2(MyException5.java:16)\r\n\tat MyException5.myTest1(MyException5.java:11)\r\n\tat MyException5.main(MyException5.java:6)<\/code><\/pre>\n<p>\u767a\u751f\u3057\u305f\u4f8b\u5916\u306f\u3001Java\u4eee\u60f3\u30de\u30b7\u30f3\u306b\u6e21\u308b\u524d\u306b\u3001\u3069\u3053\u304b\u3067catch\u3059\u308c\u3070\u3088\u304f\u3001\u6700\u60aamain\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u3082OK\u3068\u306a\u308a\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u3001\u4e0a\u8a18\u300cMyException5\u300d\u30af\u30e9\u30b9\u306emain\u30e1\u30bd\u30c3\u30c9\u306bcatch\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u305f\u4f8b\u3067\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyException5.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyException5 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\ttry {\r\n\t\t\t\/\/ myTest3\u30e1\u30bd\u30c3\u30c9\u306e\u4f8b\u5916\u304c\u3053\u3053\u307e\u3067\u30b9\u30ed\u30fc\u3055\u308c\u3066\r\n\t\t\tmyTest1();\r\n\r\n\t\t\/\/ \u3053\u3053\u3067\u4f8b\u5916\u3092catch\u3057\u307e\u3059\r\n\t\t} catch (ArithmeticException e) {\r\n\t\t\tSystem.out.println(\"\u4f8b\u5916\u767a\u751f\");\r\n\t\t\treturn;\r\n\t\t}\r\n\t\tSystem.out.println(\"\u6b63\u5e38\u7d42\u4e86\");\r\n\t}\r\n\r\n\tstatic void myTest1() {\r\n\t\t\/\/ myTest1\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u4f8b\u5916\u3092catch\u3057\u307e\u305b\u3093\r\n\t\tmyTest2();\r\n\t}\r\n\r\n\tstatic void myTest2() {\r\n\t\t\/\/ myTest2\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u4f8b\u5916\u3092catch\u3057\u307e\u305b\u3093\r\n\t\tmyTest3();\r\n\t}\r\n\r\n\tstatic void myTest3() {\r\n\t\tint a, b, c;\r\n\t\ta = 3;\r\n\t\tb = 0;\r\n\r\n\t\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\u304c\u3001catch\u3057\u307e\u305b\u3093\r\n\t\tc = a \/ b;\r\n\t}\r\n}<\/code><\/pre>\n<p>\u4f8b\u5916\u306f\u3001main\u30e1\u30bd\u30c3\u30c9\u3067catch\u3055\u308c\u3001\u753b\u9762\u306b\u306f\u300c\u4f8b\u5916\u767a\u751f\u300d\u3068\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">\u5b9f\u884c\u7d50\u679c<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>\u4f8b\u5916\u767a\u751f<\/code><\/pre>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001throws\u6587\u304c\u306a\u304f\u3066\u3082\u3001\u4f8b\u5916\u306f\u547c\u3073\u51fa\u3057\u5143\u306b\u6e21\u3055\u308c\u3066\u3044\u304d\u307e\u3059\u304c\u3001throws\u6587\u3067\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001\u30e1\u30bd\u30c3\u30c9\u306bthrows\u306e\u660e\u793a\u304c\u306a\u3044\u5834\u5408\u3001\u3069\u3093\u306a\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u304b\u304c\u308f\u304b\u308a\u306b\u304f\u304f\u306a\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u305f\u3081\u3001\u5229\u7528\u3059\u308b\u5074\u3067\u4f8b\u5916\u51e6\u7406\u304c\u629c\u3051\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u4f8b\u5916\u3092\u547c\u3073\u51fa\u3057\u5074\u3067\u51e6\u7406\u3057\u3066\u307b\u3057\u3044\u610f\u56f3\u304c\u3042\u308b\u5834\u5408\u306f\u3001throws\u6587\u3092\u4f7f\u7528\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-9\"><span class=\"Num\">9.<\/span>\u7df4\u7fd2\u554f\u984c1<\/h3>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-9-1\"><span class=\"Num\">9.1.<\/span>\u554f\u984c1<\/h4>\n<p>\u4ee5\u4e0b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u3001Integer\u30af\u30e9\u30b9\u306eparseInt\u30e1\u30bd\u30c3\u30c9\u3067\u6587\u5b57\u3092\u6570\u5b57\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5909\u63db\u3067\u304d\u306a\u3044\u5834\u5408\u306bNumberFormatException\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\u3002<br \/>\n\u6570\u5b57\u4ee5\u5916\u306e\u6587\u5b57\u5217\u304c\u5f15\u304d\u6e21\u3055\u308c\u305f\u5834\u5408\u306b\u306f\u3001\u753b\u9762\u306b\u300c\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u4f8b\u5916\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p><span class=\"Text-highlight\">\u203b \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u5024\u3092\u5f15\u304d\u6e21\u3057\u3066\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<div class=\"Pre-title\">ExceptionMondai1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ExceptionMondai1 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\t\/\/ \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u5f15\u304d\u6e21\u3055\u308c\u305f\u5024\u3092int\u578b\u306b\u5909\u63db\r\n\t\tint num = Integer.parseInt(args[0]);\r\n\r\n\t\t\/\/ 10\u500d\u306b\u8a08\u7b97\r\n\t\tint kekka = num * 10;\r\n\r\n\t\t\/\/ 10\u500d\u3057\u305f\u7d50\u679c\u3092\u51fa\u529b\r\n\t\tSystem.out.println(num + \"\u306e10\u500d\u306f\u3001\" + kekka + \"\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\">ExceptionMondai1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ExceptionMondai1 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u4f8b\u5916\u51e6\u7406\r\n\t\ttry {\r\n\t\t\t\/\/ \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u5f15\u304d\u6e21\u3055\u308c\u305f\u5024\u3092int\u578b\u306b\u5909\u63db\r\n\t\t\tint num = Integer.parseInt(args[0]);\r\n\r\n\t\t\t\/\/ 10\u500d\u8a08\u7b97\r\n\t\t\tint kekka = num * 10;\r\n\r\n\t\t\t\/\/ 10\u500d\u3057\u305f\u7d50\u679c\u3092\u51fa\u529b\r\n\t\t\tSystem.out.println(num + \"\u306e10\u500d\u306f\u3001\" + kekka + \"\u3067\u3059\u3002\");\r\n\r\n\t\t} catch (NumberFormatException e) {\r\n\t\t\t\/\/ \u4f8b\u5916\u767a\u751f\u6642\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\r\n\t\t\tSystem.out.println(\"\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\");\r\n\t\t}\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\t\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u5f15\u304d\u6e21\u3055\u308c\u305f\u5024\u3092\u300cargs[0]\u300d\u3067\u53d6\u5f97\u3057\u3001\u305d\u306e\u5024\u3092Integer\u30af\u30e9\u30b9\u306eparseInt\u30e1\u30bd\u30c3\u30c9\u3067int\u578b\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\t\t\u3053\u306e\u51e6\u7406\u3067\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u304c\u6570\u5b57\u3067\u306a\u304b\u3063\u305f\u5834\u5408\u3001int\u578b\u306e\u5909\u63db\u304c\u3067\u304d\u305a\u306bNumberFormatException\u3068\u3044\u3046\u4f8b\u5916\u304c\u767a\u751f\u3057\u307e\u3059\u3002<br \/>\n\t\t\u307e\u305a\u3001\u6700\u521d\u306b\u4f8b\u5916\u51e6\u7406\u3092\u8ffd\u8a18\u3059\u308b\u524d\u306b\u3001NumberFormatException\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3068\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\t\t\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u5834\u6240\u3092\u56f2\u3080\u3088\u3046\u306b\u3001try\u30fb\u30fbcatch\u6587\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002<br \/>\n\t\tcatch\u6587\u3067\u306f\u3001NumberFormatException\u3067catch\u3059\u308b\u3088\u3046\u306b\u5b9a\u7fa9\u3057\u3001\u305d\u306e\u4e2d\u306e\u51e6\u7406\u3067\u4f8b\u5916\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u51fa\u529b\u3057\u307e\u3059\u3002\n\t<\/p><\/div>\n<\/div>\n<h4 class=\"Heading Title Title--s\" id=\"Bookmark-9-2\"><span class=\"Num\">9.2.<\/span>\u554f\u984c2<\/h4>\n<p>\u554f\u984c1\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306bint\u578b\u306b\u5909\u63db\u3057\u305f\u6570\u5b57\u304c1000\u4ee5\u4e0a\u306e\u5834\u5408\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\u30af\u30e9\u30b9MyErrException1\u306e\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3088\u3046\u306bif\u6587\u3068throw\u6587\u3092\u8ffd\u8a18\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u307e\u305f\u3001MyErrException1\u306e\u4f8b\u5916\u767a\u751f\u6642\u306b\u306f\u3001\u753b\u9762\u306b\u300c1000\u672a\u6e80\u306e\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u4f8b\u5916\u51e6\u7406\u3082\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n<span class=\"Text-highlight\">\u203b \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u5024\u3092\u5f15\u304d\u6e21\u3057\u3066\u5b9f\u884c\u3057\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n<p>\u203b \u4ee5\u4e0b\u306e\u300cExceptionMondai1\u300d\u30af\u30e9\u30b9\u306e\u30bd\u30fc\u30b9\u306b\u306f\u3001\u554f\u984c1\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u8a18\u8ff0\u3059\u308b\u4f8b\u5916\u51e6\u7406\u306f\u8a18\u8ff0\u3057\u3066\u304a\u308a\u307e\u305b\u3093\u3002<br \/>\n\u3042\u304f\u307e\u3067\u8ffd\u8a18\u4f4d\u7f6e\u3092\u793a\u3059\u305f\u3081\u306e\u3082\u306e\u3068\u306a\u3063\u3066\u304a\u308a\u307e\u3059\u3002<\/p>\n<div class=\"Pre-title\">MyErrException1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyErrException1 extends Exception { \/\/ \u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\r\n}<\/code><\/pre>\n<div class=\"Pre-title\">ExceptionMondai1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ExceptionMondai1 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\t\/\/ \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u5f15\u304d\u6e21\u3055\u308c\u305f\u5024\u3092int\u578b\u306b\u5909\u63db\r\n\t\tint num = Integer.parseInt(args[0]);\r\n\r\n\t\t\/* \u3053\u3053\u306bif\u6587\u3068throw\u6587\u3092\u8ffd\u8a18 *\/\r\n\r\n\t\t\/\/ 10\u500d\u306b\u8a08\u7b97\r\n\t\tint kekka = num * 10;\r\n\r\n\t\tSystem.out.println(num + \"\u306e10\u500d\u306f\u3001\" + kekka + \"\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\">ExceptionMondai1.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ExceptionMondai1 {\r\n\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\t\/\/ \u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u4f8b\u5916\u51e6\u7406\r\n\t\ttry {\r\n\t\t\t\/\/ \u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u5f15\u304d\u6e21\u3055\u308c\u305f\u5024\u3092int\u578b\u306b\u5909\u63db\r\n\t\t\tint num = Integer.parseInt(args[0]);\r\n\r\n\t\t\t\/\/ \u5f15\u6570\u306e\u5024\u304c1000\u4ee5\u4e0a\u306e\u5834\u5408\r\n\t\t\tif (num &gt;= 1000) {\r\n\t\t\t\t\t\/\/ \u30aa\u30ea\u30b8\u30ca\u30eb\u4f8b\u5916MyErrException1\u3092\u767a\u751f\r\n\t\t\t\t\tthrow new MyErrException1();\r\n\t\t\t}\r\n\r\n\t\t\t\/\/ 10\u500d\u8a08\u7b97\r\n\t\t\tint kekka = num * 10;\r\n\r\n\t\t\t\/\/ 10\u500d\u3057\u305f\u7d50\u679c\u3092\u51fa\u529b\r\n\t\t\tSystem.out.println(num + \"\u306e10\u500d\u306f\u3001\" + kekka + \"\u3067\u3059\u3002\");\r\n\r\n\t\t\/\/ int\u578b\u3078\u306e\u5909\u63db\u306e\u4f8b\u5916\u51e6\u7406\r\n\t\t} catch (NumberFormatException e) {\r\n\t\t\t\/\/ \u4f8b\u5916\u767a\u751f\u6642\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\r\n\t\t\tSystem.out.println(\"\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\");\r\n\r\n\t\t\/\/ 1000\u4ee5\u4e0a\u306e\u3068\u304d\u306e\u4f8b\u5916\u51e6\u7406\r\n\t\t} catch (MyErrException1 e) {\r\n\t\t\t\/\/ \u4f8b\u5916\u767a\u751f\u6642\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u51fa\u529b\r\n\t\t\tSystem.out.println(\"1000\u672a\u6e80\u306e\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\");\r\n\t\t}\r\n\t}\r\n}<\/code><\/pre>\n<p>\t\t\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u3067\u5f15\u304d\u6e21\u3055\u308c\u305f\u5024\u3092int\u578b\u306b\u5909\u63db\u3057\u305f\u5f8c\u306b\u3001\u305d\u306e\u5024\u304c1000\u4ee5\u4e0a\u304b\u3092if\u6587\u3067\u5224\u5b9a\u3057\u307e\u3059\u3002<br \/>\n\t\t1000\u4ee5\u4e0a\u306e\u5834\u5408\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u3067\u5b9a\u7fa9\u3057\u305f\u4f8b\u5916MyErrException1\u306e\u4f8b\u5916\u3092throw\u6587\u3067\u767a\u751f\u3055\u305b\u307e\u3059\u3002<br \/>\n\t\t\u4f8b\u5916\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u305d\u308c\u4ee5\u964d\u306e10\u500d\u8a08\u7b97\u3084\u51fa\u529b\u51e6\u7406\u306f\u5b9f\u884c\u3055\u308c\u305a\u306b\u3001catch\u6587\u306b\u51e6\u7406\u306e\u5236\u5fa1\u304c\u79fb\u308a\u307e\u3059\u3002<\/p>\n<p>\t\t\u554f\u984c1\u3067\u8a18\u8ff0\u3057\u305fNumberFormatException\u306e\u4f8b\u5916\u51e6\u7406\u3082\u3042\u308a\u307e\u3059\u306e\u3067\u3001catch\u6587\u3092\u4e26\u3079\u3066\u305d\u308c\u305e\u308c\u306e\u4f8b\u5916\u304ccatch\u3067\u304d\u308b\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3088\u3046\u306b\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-10\"><span class=\"Num\">10.<\/span>\u7df4\u7fd2\u554f\u984c2<\/h3>\n<p>\u7df4\u7fd2\u554f\u984c1\u306e\u3088\u3046\u306b\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u5f15\u6570\u306e\u5024\u304c\u6570\u5b57\u3067\u306a\u3044\u5834\u5408\u3001\u300c\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300d\u30011000\u4ee5\u4e0a\u306e\u5834\u5408\u3001\u300c1000\u672a\u6e80\u306e\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u753b\u9762\u306b\u8868\u793a\u3059\u308b\u3088\u3046\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057\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>Calc\u30af\u30e9\u30b9\u306egetBaisu\u30e1\u30bd\u30c3\u30c9\u306b\u300c\u5f15\u6570\u306e\u5024\u304c1000\u4ee5\u4e0a\u3060\u3063\u305f\u3089\u3001MyErrException2\u4f8b\u5916\u3092throw\u6587\u3067\u767a\u751f\u3055\u305b\u308b\u300d\u51e6\u7406\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u305f\u3060\u3057\u3001\u300c\u3053\u3053\u306b\u8ffd\u8a18\u300d\u4ee5\u5916\u306e\u500b\u6240\u3092\u4fee\u6b63\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n<div class=\"Pre-title\">MyErrException2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class MyErrException2 extends Exception {\r\n}<\/code><\/pre>\n<div class=\"Pre-title\">Calc.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class Calc {\r\n\r\n\tpublic String getBaisu(String str) \/* \u3053\u3053\u306b\u8ffd\u8a18(throws\u6587) *\/ {\r\n\t\t\/\/ \u5f15\u6570\u3067\u6e21\u3055\u308c\u305f\u5024\u3092int\u578b\u306b\u5909\u63db\r\n\t\tint num = Integer.parseInt(str);\r\n\r\n\t\t\/*  \u3053\u3053\u306b\u8ffd\u8a18\uff081000\u4ee5\u4e0a\u3060\u3063\u305f\u3089\u3001MyErrException2\u4f8b\u5916\u3092throw\u6587\u3067\u767a\u751f) *\/\r\n\r\n\t\t\/\/ \u5f15\u6570\u3067\u6e21\u3055\u308c\u305f\u5024\u309210\u500d\u306b\u3057\u3066\u623b\u3059\r\n\t\treturn String.valueOf(num * 10);\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<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\u305fCalc\u30af\u30e9\u30b9\u306egetBaisu\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3001\u300cExceptionMondai2\u300d\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u306a\u304a\u3001getBaisu\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u6642\u306b\u767a\u751f\u3059\u308b\u4f8b\u5916\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u51e6\u7406\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u30fbNumberFormatException\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u300c\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u300d\u3068\u30b3\u30f3\u30bd\u30fc\u30eb\u51fa\u529b\u3059\u308b\u3002<br \/>\n\u30fbMyErrException2\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u300c1000\u672a\u6e80\u306e\u6570\u5b57\u3092\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u300d\u3068\u30b3\u30f3\u30bd\u30fc\u30eb\u51fa\u529b\u3059\u308b\u3002<\/p>\n<div class=\"Pre-title\">ExceptionMondai2.java<\/div>\n<pre class=\"Copy prettyprint lang-js\"><code>public class ExceptionMondai2 {\r\n\t\/\/ \u5f15\u6570\u3067\u6e21\u3055\u308c\u305f\u5024\u309210\u500d\u8a08\u7b97\u3059\u308b\u30e1\u30bd\u30c3\u30c9\r\n\tpublic static void main(String[] args) {\r\n\t\tString str = \"\";\r\n\r\n\t\tCalc calc = new Calc();\r\n\r\n\t\t\/\/ getBaisu\u30e1\u30bd\u30c3\u30c9\u306e\u547c\u3073\u51fa\u3057\u51e6\u7406\r\n\t\tstr = args[0] + \"\u306e10\u500d\u306f\u3001\" + calc.getBaisu(args[0]) + \"\u3067\u3059\u3002\";\r\n\r\n\t\tSystem.out.println(str);\r\n\t}\r\n\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-11\"><span class=\"Num\">11.<\/span>\u672c\u7ae0\u306e\u307e\u3068\u3081<\/h3>\n<ul class=\"Base-list\">\n<li class=\"Base-list__child\">\u4f8b\u5916\u3092\u51e6\u7406\u3059\u308b\u3068\u304d\u306f\u300ctry\u30fb\u30fbcatch\u6587\u300d\u3067\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u304c\u57fa\u672c\u306b\u306a\u308b\u3002 <\/li>\n<li class=\"Base-list__child\">\u4f8b\u5916\u306e\u767a\u751f\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u5fc5\u305a\u5b9f\u884c\u3055\u305b\u305f\u3044\u51e6\u7406\u306f\u300cfinally\u300d\u30d6\u30ed\u30c3\u30af\u5185\u306b\u66f8\u304f\u3002<\/li>\n<li class=\"Base-list__child\">catch\u53e5\u306f\u3001\u51e6\u7406\u3059\u308b\u4f8b\u5916\u306e\u7a2e\u985e\u3084\u5185\u5bb9\u306b\u5fdc\u3058\u3066\u8907\u6570\u500b\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u304c\u3001\u8a18\u8ff0\u3059\u308b\u9806\u756a\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/li>\n<li class=\"Base-list__child\">\u300cthrow\u6587\u300d\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u610f\u56f3\u7684\u306b\u4f8b\u5916\u3092\u767a\u751f\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 <\/li>\n<li class=\"Base-list__child\">Exception\u30af\u30e9\u30b9\u3092\u7d99\u627f\u3059\u308b\u3068\u3001\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u4f8b\u5916\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n<li class=\"Base-list__child\">\u30e1\u30bd\u30c3\u30c9\u304c\u4f8b\u5916\u3092\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u300cthrows\u6587\u300d\u3092\u4f7f\u7528\u3057\u3066\u30e1\u30bd\u30c3\u30c9\u5ba3\u8a00\u306b\u660e\u793a\u7684\u306b\u8a18\u8ff0\u3067\u304d\u308b\u3002<\/li>\n<\/ul>\n<p>\u30a8\u30e9\u30fc\u3092\u9069\u5207\u306b\u6271\u3046\u3053\u3068\u306f\u3068\u3066\u3082\u5927\u4e8b\u306a\u3053\u3068\u3067\u3059\u306e\u3067\u3001\u30b9\u30e0\u30fc\u30ba\u306b\u5b9f\u88c5\u3067\u304d\u308b\u3088\u3046\u306b\u4f55\u5ea6\u3082\u7df4\u7fd2\u3059\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<p>\u4f8b\u5916\u51e6\u7406\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\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u304a\u3044\u3066\u4f8b\u5916\u7684\u306b\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u3092\u3001\u9069\u5207\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u4f8b\u5916\u51e6\u7406\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3059\u3002 2.\u672c\u7ae0\u306e\u8b1b\u7fa9 \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\u2026<\/p>\n","protected":false},"author":5,"featured_media":6006,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"class_list":["post-183","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java-base"],"acf":{"chapter":11,"javabase_order":12,"list-display_description":"\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u6642\u306b\u304a\u3044\u3066\u4f8b\u5916\u7684\u306b\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u3092\u3001\u9069\u5207\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306e\u4f8b\u5916\u51e6\u7406\u65b9\u6cd5\u306b\u3064\u3044\u3066\u5b66\u7fd2\u3057\u307e\u3059\u3002"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/posts\/183","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=183"}],"version-history":[{"count":22,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/posts\/183\/revisions"}],"predecessor-version":[{"id":6499,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/posts\/183\/revisions\/6499"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/media\/6006"}],"wp:attachment":[{"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/media?parent=183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techfun.cc\/wp-json\/wp\/v2\/categories?post=183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}