{"id":66483,"date":"2025-05-03T15:38:13","date_gmt":"2025-05-03T07:38:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66483\/"},"modified":"2025-05-03T15:38:13","modified_gmt":"2025-05-03T07:38:13","slug":"java%e6%80%8e%e4%b9%88%e4%bd%bf2%e4%b8%aa%e6%95%b0%e7%bb%84%e7%9b%b8%e7%ad%89-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66483\/","title":{"rendered":"java\u600e\u4e48\u4f7f2\u4e2a\u6570\u7ec4\u76f8\u7b49"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u6709\u4e09\u79cd\u65b9\u6cd5\u4f7f\u4e24\u4e2a\u6570\u7ec4\u76f8\u7b49\uff1a1. \u6570\u7ec4\u8d4b\u503c\uff1a\u5c06\u4e00\u4e2a\u6570\u7ec4\u76f4\u63a5\u8d4b\u503c\u7ed9\u53e6\u4e00\u4e2a\u6570\u7ec4\uff1b2. \u6570\u7ec4\u590d\u5236\uff1a\u904d\u5386\u5e76\u590d\u5236\u6bcf\u4e2a\u5143\u7d20\uff1b3. arrays.copyof() \u65b9\u6cd5\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u4f5c\u4e3a\u539f\u59cb\u6570\u7ec4\u7684\u526f\u672c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111604434521433.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u4f7f2\u4e2a\u6570\u7ec4\u76f8\u7b49\u63d2\u56fe\" alt=\"java\u600e\u4e48\u4f7f2\u4e2a\u6570\u7ec4\u76f8\u7b49\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f Java \u4e2d\u7684\u4e24\u4e2a\u6570\u7ec4\u76f8\u7b49<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4f7f\u4e24\u4e2a\u6570\u7ec4\u76f8\u7b49\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u6570\u7ec4\u8d4b\u503c<\/strong><\/p>\n<pre>int[] arr1 = {1, 2, 3, 4, 5};\nint[] arr2 = new int[5];\n\narr2 = arr1; \/\/ \u5c06 arr1 \u8d4b\u503c\u7ed9 arr2\n\nSystem.out.println(Arrays.equals(arr1, arr2)); \/\/ \u8f93\u51fa true<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u6570\u7ec4\u590d\u5236<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[] arr1 = {1, 2, 3, 4, 5};\nint[] arr2 = new int[5];\n\nfor (int i = 0; i &lt; arr1.length; i++) {\n    arr2[i] = arr1[i];\n}\n\nSystem.out.println(Arrays.equals(arr1, arr2)); \/\/ \u8f93\u51fa true<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5<\/strong><\/p>\n<pre>int[] arr1 = {1, 2, 3, 4, 5};\nint[] arr2 = Arrays.copyOf(arr1, arr1.length);\n\nSystem.out.println(Arrays.equals(arr1, arr2)); \/\/ \u8f93\u51fa true<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a<\/strong><\/p>\n<ul>\n<li>\u6570\u7ec4\u8d4b\u503c\uff08\u65b9\u6cd5 1\uff09\u5c06\u521b\u5efa\u5bf9\u540c\u4e00\u6570\u7ec4\u7684\u4e24\u4e2a\u5f15\u7528\u3002\u5bf9\u5176\u4e2d\u4e00\u4e2a\u6570\u7ec4\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u5c06\u53cd\u6620\u5728\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002<\/li>\n<li>\u6570\u7ec4\u590d\u5236\uff08\u65b9\u6cd5 2\uff09\u548c Arrays.copyOf() \u65b9\u6cd5\uff08\u65b9\u6cd5 3\uff09\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u8be5\u6570\u7ec4\u662f\u539f\u59cb\u6570\u7ec4\u7684\u526f\u672c\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u526f\u672c\u6240\u505a\u7684\u4efb\u4f55\u66f4\u6539\u90fd\u4e0d\u4f1a\u5f71\u54cd\u539f\u59cb\u6570\u7ec4\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u4f7f2\u4e2a\u6570\u7ec4\u76f8\u7b49\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java \u4e2d\u6709\u4e09\u79cd\u65b9\u6cd5\u4f7f\u4e24\u4e2a\u6570\u7ec4\u76f8\u7b49\uff1a1. \u6570\u7ec4\u8d4b\u503c\uff1a\u5c06\u4e00\u4e2a\u6570\u7ec4\u76f4\u63a5\u8d4b\u503c\u7ed9\u53e6\u4e00\u4e2a\u6570\u7ec4\uff1b2. \u6570\u7ec4\u590d\u5236\uff1a\u904d\u5386\u5e76\u590d\u5236\u6bcf\u4e2a\u5143\u7d20\uff1b3. arrays.copyof() \u65b9\u6cd5\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\u4f5c\u4e3a\u539f\u59cb\u6570\u7ec4\u7684\u526f\u672c\u3002 \u5982\u4f55\u4f7f Java \u4e2d\u7684\u4e24\u4e2a\u6570\u7ec4\u76f8\u7b49 \u5728 Java \u4e2d\uff0c\u4f7f\u4e24\u4e2a\u6570\u7ec4\u76f8\u7b49\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a 1. \u6570\u7ec4\u8d4b\u503c int[] arr1 = {1, 2, 3, 4, 5}; int[] arr2 = new int[5]; arr2 = arr1; \/\/ \u5c06 arr1 \u8d4b\u503c\u7ed9 arr2 System.out.println(Arrays.equals(arr1, arr2)); \/\/ \u8f93\u51fa true \u767b\u5f55\u540e\u590d\u5236 2. \u6570\u7ec4\u590d\u5236 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] arr1 = {1, 2, 3, 4, 5}; int[] arr2 = [&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-66483","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66483","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=66483"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66483\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}