{"title":"\u3010Java\u30b3\u30fc\u30c9\u5165\u9580\u3011\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9_\u2462\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9","version":"1.0","author_url":"https://blog.hatena.ne.jp/andengineer/","type":"rich","author_name":"andengineer","blog_url":"https://tenshoku.mynavi.jp/engineer/guide/","published":"2026-07-01 09:09:28","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftenshoku.mynavi.jp%2Fengineer%2Fguide%2Farticles%2Fjava-code%2Fcategory_generics%2F03\" title=\"\u3010Java\u30b3\u30fc\u30c9\u5165\u9580\u3011\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30b9_\u2462\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9 - \u30a2\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u3053\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","image_url":null,"blog_title":"\u30a2\u30f3\u30c9\u30a8\u30f3\u30b8\u30cb\u30a2 - \u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u3053\u3068\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u3002","categories":["\u8a00\u8a9e\u30fb\u958b\u767a","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e","Java"],"width":"100%","description":"\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u5f15\u6570\u3092\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u306e\u969b\u306b\u6c7a\u3081\u3089\u308c\u308b\u30e1\u30bd\u30c3\u30c9\u306e\u3053\u3068\u3067\u3059\u3002\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30af\u30e9\u30b9\u3068\u306f\u72ec\u7acb\u3057\u305f\u3082\u306e\u306a\u306e\u3067\u3001\u6df7\u540c\u3057\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u4ee5\u4e0b\u306f\u3001Arrays\u30af\u30e9\u30b9\uff08java.util\u30d1\u30c3\u30b1\u30fc\u30b8\uff09\u306e\u30b3\u30fc\u30c9\u3092\u629c\u7c8b\u3057\u305f\u3082\u306e\u3067\u3059\u3002copyOf\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u4e0e\u3048\u3089\u308c\u305f\u914d\u5217\u3092\u30b3\u30d4\u30fc\u3059\u308b\u305f\u3081\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002 public static <T,U> T[] copyOf(U[] original, int newLength, Class<? extends T[]> newType) { @SuppressWarnings(\"unchecked\") T[] copy =\u2026","url":"https://tenshoku.mynavi.jp/engineer/guide/articles/java-code/category_generics/03","provider_name":"Hatena Blog","height":"190"}