{"blog_url":"https://hjm333.hatenablog.com/","width":"100%","provider_name":"Hatena Blog","published":"2016-02-11 11:17:18","author_url":"https://blog.hatena.ne.jp/hjm333/","url":"https://hjm333.hatenablog.com/entry/2016/02/11/111718","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhjm333.hatenablog.com%2Fentry%2F2016%2F02%2F11%2F111718\" title=\"\u3010Effective Java\u3011\u9805\u76ee\uff12\uff15\uff1a\u914d\u5217\u3088\u308a\u30ea\u30b9\u30c8\u3092\u9078\u3076 - The King&#39;s Museum\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u3010Effective Java\u3011\u9805\u76ee\uff12\uff15\uff1a\u914d\u5217\u3088\u308a\u30ea\u30b9\u30c8\u3092\u9078\u3076","categories":["Java","Effective Java"],"provider_url":"https://hatena.blog","height":"190","version":"1.0","author_name":"hjm333","blog_title":"The King's Museum","image_url":null,"description":"\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9\u3068\u914d\u5217 \u524d\u56de\u306e\u8a18\u4e8b \u3067\u306f\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9\u578b\u306e\u4e0d\u5909\u3001\u5171\u5909\u3001\u53cd\u5909\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u3002 \u4eca\u56de\u306f\u30b8\u30a7\u30cd\u30ea\u30af\u30b9\u578b\u306e\u30ea\u30b9\u30c8\uff08List<E>\uff09\u3068\u914d\u5217\u306e\u6027\u8cea\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 \u524d\u56de\u3082\u8aac\u660e\u3057\u305f\u3088\u3046\u306b\u3001Java \u306e\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9\u578b\u306f\u4e0d\u5909\u3067\u3042\u308b\u4e00\u65b9\u3001\u914d\u5217\u306f\u5171\u5909\u3067\u3059\u3002 List<Object> objectList = new ArrayList<String>(); // => \u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9\u578b\u306f\u4e0d\u5909\u306a\u306e\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc Object[] objectArray = new String[1]; // => \u914d\u5217\u306f\u5171\u5909\u306a\u306e\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u53ef\u80fd \u914d\u5217\u306e\u65b9\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u53ef\u80fd\u3067\u3042\u308b\u4e00\u65b9\u3001\u5171\u5909\u3067\u3042\u308b\u3068\u3044\u3046\u2026","type":"rich"}