{"id":152,"date":"2017-01-17T16:00:00","date_gmt":"2017-01-17T07:00:00","guid":{"rendered":"https:\/\/java-code.jp\/?p=152"},"modified":"2020-02-14T16:40:40","modified_gmt":"2020-02-14T07:40:40","slug":"%e3%82%b8%e3%82%a7%e3%83%8d%e3%83%aa%e3%83%83%e3%82%af%e3%83%a1%e3%82%bd%e3%83%83%e3%83%89%e3%81%ae%e5%ae%9a%e7%be%a9","status":"publish","type":"post","link":"https:\/\/java-code.jp\/152","title":{"rendered":"\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9"},"content":{"rendered":"<p><span>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9<\/span>\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<br \/>\n\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<\/p>\n<div class=\"pre\">\n<pre class=\"brush:java;highlight:[1];\">\r\npublic static &lt;T,U> T[] copyOf(U[] original, int newLength, Class&lt;? extends T[]> newType) {\r\n  T[] copy = ((Object)newType == (Object)Object[].class)\r\n    ? (T[]) new Object[newLength]\r\n    : (T[]) Array.newInstance(newType.getComponentType(), newLength);\r\n  System.arraycopy(original, 0, copy, 0,\r\n                   Math.min(original.length, newLength));\r\n  return copy;\r\n}\r\n<\/pre>\n<p><!-- \/ .pre --><\/div>\n<p>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u623b\u308a\u5024\u306e\u76f4\u524d\u306b&lt;&#8230;&gt;\u306e\u5f62\u5f0f\u3067\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5ba3\u8a00\u3057\u307e\u3059\u3002\u5ba3\u8a00\u3055\u308c\u305f\u578b\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3001\u623b\u308a\u5024\u578b\u3084\u5f15\u6570\u578b\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u3059\u3002<br \/>\n\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u901a\u5e38\u306e\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u3058\u304f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u547c\u3073\u51fa\u305b\u307e\u3059\u3002<\/p>\n<div class=\"pre\">\n<pre class=\"brush:java;\">\r\nString[] data = { \"X\", \"Y\", \"Z\" }; \r\nString[] result = Arrays.copyOf(data, 3);\t\/\/ \u7d50\u679c\uff1a[X, Y, Z]\r\n<\/pre>\n<p><!-- \/ .pre --><\/div>\n<p>\u307e\u305f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u524d\u306b\u660e\u793a\u7684\u306b\u578b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"pre\">\n<pre class=\"brush:java;\">\r\nString[] result = Arrays.&lt;String>copyOf(data, 3);\r\n<\/pre>\n<p><!-- \/ .pre --><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\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.ut [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-152","post","type-post","status-publish","format-standard","hentry","category-generics"],"_links":{"self":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/152"}],"collection":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/comments?post=152"}],"version-history":[{"count":5,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/152\/revisions"}],"predecessor-version":[{"id":1378,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/posts\/152\/revisions\/1378"}],"wp:attachment":[{"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/media?parent=152"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/categories?post=152"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/java-code.jp\/wp-json\/wp\/v2\/tags?post=152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}