{"id":39089,"date":"2024-11-26T17:27:30","date_gmt":"2024-11-26T09:27:30","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39089\/"},"modified":"2024-11-26T17:27:30","modified_gmt":"2024-11-26T09:27:30","slug":"java%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%a4%8d%e5%88%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39089\/","title":{"rendered":"java\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u590d\u5236"},"content":{"rendered":"<blockquote><p>\n  java \u4e8c\u7ef4\u6570\u7ec4\u590d\u5236\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u4f7f\u7528 arrays.copyof() \u65b9\u6cd5\uff0c\u590d\u5236\u6570\u7ec4\u5f15\u7528\uff1b\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\uff0c\u9010\u5143\u7d20\u590d\u5236\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111603544831322.jpg\" class=\"aligncenter\" title=\"java\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u590d\u5236\u63d2\u56fe\" alt=\"java\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u590d\u5236\u63d2\u56fe\" \/><\/p>\n<p><strong>\u590d\u5236 Java \u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u590d\u5236 Java \u4e8c\u7ef4\u6570\u7ec4\u6709\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>\u65b9\u6cd5 1\uff1a\u4f7f\u7528\u5185\u7f6e\u5e93\u51fd\u6570<\/strong><\/p>\n<p>Java \u5e93\u4e2d\u63d0\u4f9b\u4e86 Arrays.copyOf() \u65b9\u6cd5\uff0c\u53ef\u4ee5\u590d\u5236\u4e00\u7ef4\u6216\u591a\u7ef4\u6570\u7ec4\u3002\u5bf9\u4e8e\u4e8c\u7ef4\u6570\u7ec4\uff0c\u590d\u5236\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] originalArray = { {1, 2, 3}, {4, 5, 6} };\nint[][] copiedArray = Arrays.copyOf(originalArray, originalArray.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u65b9\u6cd5 2\uff1a\u4f7f\u7528\u5faa\u73af<\/strong><\/p>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u624b\u52a8\u590d\u5236\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] originalArray = { {1, 2, 3}, {4, 5, 6} };\nint[][] copiedArray = new int[originalArray.length][originalArray[0].length];\n\nfor (int i = 0; i &lt; originalArray.length; i++) {\n    for (int j = 0; j &lt; originalArray[i].length; j++) {\n        copiedArray[i][j] = originalArray[i][j];\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528\u5faa\u73af\u7684\u65b9\u6cd5\u4e0d\u4f1a\u590d\u5236\u539f\u59cb\u6570\u7ec4\u7684\u5f15\u7528\uff0c\u800c\u662f\u5b9e\u9645\u590d\u5236\u6570\u7ec4\u5143\u7d20\u3002\u56e0\u6b64\uff0c\u5bf9\u590d\u5236\u7684\u6570\u7ec4\u8fdb\u884c\u66f4\u6539\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u7684\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u590d\u5236\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e8c\u7ef4\u6570\u7ec4\u590d\u5236\u65b9\u6cd5\u6709\u4e24\u79cd\uff1a\u4f7f\u7528 arrays.copyof() \u65b9\u6cd5\uff0c\u590d\u5236\u6570\u7ec4\u5f15\u7528\uff1b\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\uff0c\u9010\u5143\u7d20\u590d\u5236\u6570\u7ec4\u5143\u7d20\u3002 \u590d\u5236 Java \u4e8c\u7ef4\u6570\u7ec4 \u590d\u5236 Java \u4e8c\u7ef4\u6570\u7ec4\u6709\u4ee5\u4e0b\u4e24\u79cd\u65b9\u6cd5\uff1a \u65b9\u6cd5 1\uff1a\u4f7f\u7528\u5185\u7f6e\u5e93\u51fd\u6570 Java \u5e93\u4e2d\u63d0\u4f9b\u4e86 Arrays.copyOf() \u65b9\u6cd5\uff0c\u53ef\u4ee5\u590d\u5236\u4e00\u7ef4\u6216\u591a\u7ef4\u6570\u7ec4\u3002\u5bf9\u4e8e\u4e8c\u7ef4\u6570\u7ec4\uff0c\u590d\u5236\u5982\u4e0b\u6240\u793a\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] originalArray = { {1, 2, 3}, {4, 5, 6} }; int[][] copiedArray = Arrays.copyOf(originalArray, originalArray.length); \u767b\u5f55\u540e\u590d\u5236 \u65b9\u6cd5 2\uff1a\u4f7f\u7528\u5faa\u73af \u4e5f\u53ef\u4ee5\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u624b\u52a8\u590d\u5236\u4e8c\u7ef4\u6570\u7ec4\uff1a int[][] originalArray = { {1, 2, 3}, {4, 5, 6} }; int[][] copiedArray = new int[originalArray.length][originalArray[0].length]; for (int [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-39089","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=39089"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39089\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}