{"width":"100%","blog_title":"\u3046\u3055\u304e\u7d44","type":"rich","title":"\u5168\u3066\u306e\u914d\u5217\u306fObject\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u3042\u308b","author_url":"https://blog.hatena.ne.jp/kyon_mm/","description":"\u5148\u65e5\u3001\u3053\u3093\u306a\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u4f8b\u5916\u304c\u767a\u751f\u3057\u3066\u6df7\u4e71\u3057\u307e\u3057\u305f\u3002 Object[] obj = piyo(); for(Object each : obj){ execute(each); } piyo()\u3067\u306f\u69d8\u3005\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u914d\u5217\u306b\u3057\u3066\u8fd4\u3057\u3066\u304f\u308b\u306e\u3067\u3053\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u3066\u3001 execute(Object obj)\u3067\u53d7\u3051\u3068\u3063\u3066\u51e6\u7406\u3059\u308b\u3088\u3046\u306a\u5b9f\u88c5\u3067\u3059\u3002 \u3053\u308c\u3092\u5b9f\u884c\u3059\u308b\u3068execute\u5185\u306e\u51e6\u7406\u3067ClassCastException\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u3002 execute\u306b\u6e21\u3057\u305feach\u304c\u914d\u5217\u306b\u306a\u3063\u3066\u3044\u3066\u3001\u76f4\u63a5\u30ad\u30e3\u30b9\u30c8\u3067\u304d\u306a\u304b\u3063\u305f\u304b\u3089\u3067\u3057\u305f\u3002 \u305f\u3060\u3057\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306f\u51fa\u3066\u3044\u307e\u305b\u3093\u3002\u3042\u304f\u307e\u3067\u5b9f\u884c\u6642\u4f8b\u5916\u3067\u3059\u3002 \u2026","height":"190","version":"1.0","image_url":null,"provider_name":"Hatena Blog","url":"https://kyon-mm.hatenablog.com/entry/20101112/1289550452","published":"2010-11-12 17:27:32","provider_url":"https://hatena.blog","categories":["Java"],"blog_url":"https://kyon-mm.hatenablog.com/","author_name":"kyon_mm","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkyon-mm.hatenablog.com%2Fentry%2F20101112%2F1289550452\" title=\"\u5168\u3066\u306e\u914d\u5217\u306fObject\u306e\u30b5\u30d6\u30af\u30e9\u30b9\u3067\u3042\u308b - \u3046\u3055\u304e\u7d44\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}