{"image_url":null,"type":"rich","provider_url":"https://hatena.blog","published":"2017-07-17 00:00:02","author_name":"yohhoy","title":"\u6761\u4ef6\u6f14\u7b97\u5b50\u3068\u89aa\u30af\u30e9\u30b9\u3078\u306e\u578b\u63a8\u8ad6\uff08Java\u7de8\uff09","author_url":"https://blog.hatena.ne.jp/yohhoy/","categories":["Java"],"height":"190","description":"\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eJava\u306b\u304a\u3051\u308b\u6761\u4ef6\u6f14\u7b97\u5b50(conditional operator) ?: \u3068\u3001\u5b50\u30af\u30e9\u30b9\u304b\u3089\u89aa\u30af\u30e9\u30b9\u3078\u306e\u578b\u63a8\u8ad6\uff08\u306e\u4e00\u90e8\uff09\u306b\u95a2\u3057\u3066\u30e1\u30e2\u3002\u6761\u4ef6\u6f14\u7b97\u5b50\u306e\u7b2c2, 3\u9805\u76ee\u306b\u89aa\u30af\u30e9\u30b9Parent\u304b\u3089\u6d3e\u751f\u3057\u305f\u5b50\u30af\u30e9\u30b9Child1, Child2\u3092\u6307\u5b9a\u3057\u305f\u5834\u5408\u3001Java\u3067\u306f\u90e8\u5206\u5f0f (b ? c1 : c2) \u306e\u9759\u7684\u578b\u306f\u5171\u901a\u306e\u89aa\u30af\u30e9\u30b9Parent\u3078\u3068\u578b\u63a8\u8ad6\u3055\u308c\u308b\u3002*1 class Parent {} class Child1 extends Parent {} class Child2 extends Parent {} // \u6052\u7b49\u95a2\u6570id\uff08\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\uff09 static <T> T \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20170717%2Fp3\" title=\"\u6761\u4ef6\u6f14\u7b97\u5b50\u3068\u89aa\u30af\u30e9\u30b9\u3078\u306e\u578b\u63a8\u8ad6\uff08Java\u7de8\uff09 - yohhoy\u306e\u65e5\u8a18\" 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%","version":"1.0","blog_title":"yohhoy\u306e\u65e5\u8a18","url":"https://yohhoy.hatenadiary.jp/entry/20170717/p3","blog_url":"https://yohhoy.hatenadiary.jp/","provider_name":"Hatena Blog"}