{"id":66333,"date":"2025-05-03T08:42:06","date_gmt":"2025-05-03T00:42:06","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66333\/"},"modified":"2025-05-03T08:42:06","modified_gmt":"2025-05-03T00:42:06","slug":"java-%e4%b8%ad%e6%80%8e%e4%b9%88%e5%b0%86%e6%95%b0%e7%bb%84%e7%9b%b8%e8%bf%9e%e6%8e%a5-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66333\/","title":{"rendered":"java \u4e2d\u600e\u4e48\u5c06\u6570\u7ec4\u76f8\u8fde\u63a5"},"content":{"rendered":"<blockquote><p>\n  java\u4e2d\u67093\u79cd\u8fde\u63a5\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. \u76f4\u63a5\u8fde\u63a5\u6cd5\uff0c\u4f7f\u7528 + \u8fd0\u7b97\u7b26\uff0c\u751f\u6210\u65b0\u6570\u7ec4\uff1b2. \u4f7f\u7528 arrays.copyof() \u65b9\u6cd5\uff0c\u590d\u5236\u5143\u7d20\u5230\u6307\u5b9a\u957f\u5ea6\u7684\u65b0\u6570\u7ec4\uff1b3. \u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\uff0c\u4ece\u4e00\u4e2a\u6570\u7ec4\u590d\u5236\u6307\u5b9a\u6570\u91cf\u7684\u5143\u7d20\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684\u6307\u5b9a\u4f4d\u7f6e\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/15\/2024111507274350160.jpg\" class=\"aligncenter\" title=\"java \u4e2d\u600e\u4e48\u5c06\u6570\u7ec4\u76f8\u8fde\u63a5\u63d2\u56fe\" alt=\"java \u4e2d\u600e\u4e48\u5c06\u6570\u7ec4\u76f8\u8fde\u63a5\u63d2\u56fe\" \/><\/p>\n<p><strong>Java \u4e2d\u8fde\u63a5\u6570\u7ec4\u7684\u65b9\u6cd5<\/strong><\/p>\n<p><strong>\u76f4\u63a5\u8fde\u63a5\u6cd5\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528 + \u8fd0\u7b97\u7b26\u53ef\u4ee5\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4\u76f4\u63a5\u8fde\u63a5\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002<\/p>\n<pre>int[] arr1 = {1, 2, 3};\nint[] arr2 = {4, 5, 6};\nint[] arr3 = arr1 + arr2;\nSystem.out.println(Arrays.toString(arr3)); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5, 6]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>Arrays.copyOf() \u65b9\u6cd5\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6307\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u5e76\u590d\u5236\u6307\u5b9a\u6570\u7ec4\u7684\u90e8\u5206\u6216\u5168\u90e8\u5143\u7d20\u5230\u65b0\u6570\u7ec4\u4e2d\u3002<\/p>\n<pre>int[] arr1 = {1, 2, 3};\nint[] arr2 = {4, 5, 6};\nint[] arr3 = Arrays.copyOf(arr1, arr1.length + arr2.length);\nSystem.arraycopy(arr2, 0, arr3, arr1.length, arr2.length);\nSystem.out.println(Arrays.toString(arr3)); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5, 6]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>System.arraycopy() \u65b9\u6cd5\u53ef\u4ee5\u4ece\u4e00\u4e2a\u6570\u7ec4\u590d\u5236\u6307\u5b9a\u6570\u91cf\u7684\u5143\u7d20\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684\u6307\u5b9a\u4f4d\u7f6e\u3002<\/p>\n<pre>int[] arr1 = {1, 2, 3};\nint[] arr2 = {4, 5, 6};\nint[] arr3 = new int[arr1.length + arr2.length];\nSystem.arraycopy(arr1, 0, arr3, 0, arr1.length);\nSystem.arraycopy(arr2, 0, arr3, arr1.length, arr2.length);\nSystem.out.println(Arrays.toString(arr3)); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5, 6]<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava \u4e2d\u600e\u4e48\u5c06\u6570\u7ec4\u76f8\u8fde\u63a5\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\u67093\u79cd\u8fde\u63a5\u6570\u7ec4\u7684\u65b9\u6cd5\uff1a1. \u76f4\u63a5\u8fde\u63a5\u6cd5\uff0c\u4f7f\u7528 + \u8fd0\u7b97\u7b26\uff0c\u751f\u6210\u65b0\u6570\u7ec4\uff1b2. \u4f7f\u7528 arrays.copyof() \u65b9\u6cd5\uff0c\u590d\u5236\u5143\u7d20\u5230\u6307\u5b9a\u957f\u5ea6\u7684\u65b0\u6570\u7ec4\uff1b3. \u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\uff0c\u4ece\u4e00\u4e2a\u6570\u7ec4\u590d\u5236\u6307\u5b9a\u6570\u91cf\u7684\u5143\u7d20\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u7684\u6307\u5b9a\u4f4d\u7f6e\u3002 Java \u4e2d\u8fde\u63a5\u6570\u7ec4\u7684\u65b9\u6cd5 \u76f4\u63a5\u8fde\u63a5\u6cd5\uff1a \u4f7f\u7528 + \u8fd0\u7b97\u7b26\u53ef\u4ee5\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u6570\u7ec4\u76f4\u63a5\u8fde\u63a5\u8d77\u6765\uff0c\u5f62\u6210\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\u3002 int[] arr1 = {1, 2, 3}; int[] arr2 = {4, 5, 6}; int[] arr3 = arr1 + arr2; System.out.println(Arrays.toString(arr3)); \/\/ \u8f93\u51fa\uff1a[1, 2, 3, 4, 5, 6] \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b Arrays.copyOf() \u65b9\u6cd5\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6307\u5b9a\u957f\u5ea6\u7684\u6570\u7ec4\uff0c\u5e76\u590d\u5236\u6307\u5b9a\u6570\u7ec4\u7684\u90e8\u5206\u6216\u5168\u90e8\u5143\u7d20\u5230\u65b0\u6570\u7ec4\u4e2d\u3002 int[] arr1 = {1, 2, 3}; [&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-66333","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66333","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=66333"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66333\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}