{"id":67016,"date":"2025-05-03T13:16:50","date_gmt":"2025-05-03T05:16:50","guid":{"rendered":"https:\/\/fwq.ai\/blog\/67016\/"},"modified":"2025-05-03T13:16:50","modified_gmt":"2025-05-03T05:16:50","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e6%8a%8a%e4%b8%a4%e4%b8%aa%e6%95%b0%e7%bb%84%e6%8b%bc%e8%b5%b7%e6%9d%a5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/67016\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u628a\u4e24\u4e2a\u6570\u7ec4\u62fc\u8d77\u6765"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\uff0c\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u5c06\u4e24\u4e2a\u6570\u7ec4\u590d\u5236\u5e76\u5408\u5e76\u5230\u4e00\u4e2a\u65b0\u6570\u7ec4\u4e2d\u3002\u4f7f\u7528 apache commons lang \u5e93\u7684 arrayutils.addall() \u65b9\u6cd5\u5c06\u4e24\u4e2a\u6570\u7ec4\u65e0\u7f1d\u5730\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/18\/2024111800062177543.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u600e\u4e48\u628a\u4e24\u4e2a\u6570\u7ec4\u62fc\u8d77\u6765\u63d2\u56fe\" alt=\"java\u4e2d\u600e\u4e48\u628a\u4e24\u4e2a\u6570\u7ec4\u62fc\u8d77\u6765\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\uff1a<\/p>\n<p><strong>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5<\/strong><\/p>\n<p>System.arraycopy() \u65b9\u6cd5\u7528\u4e8e\u5c06\u4e00\u4e2a\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002\u8981\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ol>\n<li>\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u4e3a\u4e24\u4e2a\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\u4e4b\u548c\u3002<\/li>\n<li>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u7b2c\u4e00\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u7684\u5f00\u5934\u3002<\/li>\n<li>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u6570\u7ec4\u5143\u7d20\u7684\u672b\u5c3e\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] arr1 = {1, 2, 3};\nint[] arr2 = {4, 5, 6};\n\nint[] mergedArray = new int[arr1.length + arr2.length];\n\nSystem.arraycopy(arr1, 0, mergedArray, 0, arr1.length);\nSystem.arraycopy(arr2, 0, mergedArray, arr1.length, arr2.length);\n\n\/\/ \u6253\u5370\u5408\u5e76\u540e\u7684\u6570\u7ec4\nfor (int e : mergedArray) {\n    System.out.println(e);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>1\n2\n3\n4\n5\n6<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Apache Commons Lang \u5e93<\/strong><\/p>\n<p>\u53e6\u4e00\u4e2a\u5408\u5e76\u6570\u7ec4\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 Apache Commons Lang \u5e93\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a ArrayUtils.addAll() \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e24\u4e2a\u6570\u7ec4\u65e0\u7f1d\u5730\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002<\/p>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[] arr1 = {1, 2, 3};\nint[] arr2 = {4, 5, 6};\n\nint[] mergedArray = ArrayUtils.addAll(arr1, arr2);\n\n\/\/ \u6253\u5370\u5408\u5e76\u540e\u7684\u6570\u7ec4\nfor (int e : mergedArray) {\n    System.out.println(e);\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>1\n2\n3\n4\n5\n6<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u628a\u4e24\u4e2a\u6570\u7ec4\u62fc\u8d77\u6765\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>\u5728 java \u4e2d\uff0c\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u5c06\u4e24\u4e2a\u6570\u7ec4\u590d\u5236\u5e76\u5408\u5e76\u5230\u4e00\u4e2a\u65b0\u6570\u7ec4\u4e2d\u3002\u4f7f\u7528 apache commons lang \u5e93\u7684 arrayutils.addall() \u65b9\u6cd5\u5c06\u4e24\u4e2a\u6570\u7ec4\u65e0\u7f1d\u5730\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u6570\u7ec4\u3002 \u5982\u4f55\u4f7f\u7528 Java \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\uff1a \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5 System.arraycopy() \u65b9\u6cd5\u7528\u4e8e\u5c06\u4e00\u4e2a\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002\u8981\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u4e3a\u4e24\u4e2a\u8f93\u5165\u6570\u7ec4\u957f\u5ea6\u4e4b\u548c\u3002 \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u7b2c\u4e00\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u7684\u5f00\u5934\u3002 \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u7b2c\u4e00\u4e2a\u6570\u7ec4\u5143\u7d20\u7684\u672b\u5c3e\u3002 \u793a\u4f8b\uff1a int[] arr1 = {1, 2, 3}; int[] arr2 = {4, 5, 6}; int[] mergedArray = new int[arr1.length + arr2.length]; System.arraycopy(arr1, 0, mergedArray, 0, arr1.length); [&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-67016","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67016","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=67016"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/67016\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=67016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=67016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=67016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}