{"author_url":"https://blog.hatena.ne.jp/t_massann/","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Farekorebibouroku.hateblo.jp%2Fentry%2F2011%2F07%2F27%2F204148\" title=\"\u30aa\u30fc\u30c8\u30dc\u30af\u30b7\u30f3\u30b0\u306e\u843d\u3068\u3057\u7a74 - \u3042\u308c\u3053\u308c\u5099\u5fd8\u9332@\u306f\u3066\u306a\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","author_name":"t_massann","url":"https://arekorebibouroku.hateblo.jp/entry/2011/07/27/204148","blog_title":"\u3042\u308c\u3053\u308c\u5099\u5fd8\u9332@\u306f\u3066\u306a\u30d6\u30ed\u30b0","height":"190","provider_url":"https://hatena.blog","categories":["java"],"blog_url":"https://arekorebibouroku.hateblo.jp/","published":"2011-07-27 20:41:48","image_url":"http://ad.jp.ap.valuecommerce.com/servlet/productlink?vs=2769799&va=2294857&vp=879995396&vg=6000094542","description":"Integer i1 = 1; Integer i2 = 1; Integer i3 = 1000; Integer i4 = 1000; System.out.println(i1 == i2); System.out.println(i3 == i4); \u3053\u308c\u306f\u6700\u521d\u306eprintln\u306ftrue\u306b\u306a\u308a\u3001\u4e8c\u3064\u76ee\u306e\u51fa\u529b\u306ffalse\u306b\u306a\u308a\u307e\u3059\u3002 \u4f55\u6545\u3067\u3057\u3087\u3046\u3002 \u305d\u308c\u306f\u30aa\u30fc\u30c8\u30dc\u30af\u30b7\u30f3\u30b0(auto-boxing)\u3068\u3044\u3046\u6a5f\u80fd\u306e\u305b\u3044\u3060\u305d\u3046\u3067\u3059\u3002 java\u306f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3059\u304c\u3001\u3059\u3079\u3066\u3092\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066\u6271\u3046\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u4f4e\u4e0b\u3092\u62db\u304f\u306a\u3069\u306e\u7406\u7531\u3067int\u306a\u3069\u4e00\u90e8\u306e\u5909\u6570\u306e\u578b\u3068\u3057\u3066\u30d7\u30ea\u30df\u30c6\u30a3\u2026","type":"rich","version":"1.0","title":"\u30aa\u30fc\u30c8\u30dc\u30af\u30b7\u30f3\u30b0\u306e\u843d\u3068\u3057\u7a74"}