{"id":66766,"date":"2025-05-03T16:32:31","date_gmt":"2025-05-03T08:32:31","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66766\/"},"modified":"2025-05-03T16:32:31","modified_gmt":"2025-05-03T08:32:31","slug":"java%e6%80%8e%e4%b9%88%e5%90%88%e5%b9%b6%e4%b8%a4%e4%b8%aa%e6%95%b4%e5%bd%a2%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66766\/","title":{"rendered":"java\u600e\u4e48\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 arrays.copyof() \u65b9\u6cd5\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u590d\u5236\u4e24\u4e2a\u6570\u7ec4\u5143\u7d20\u3002\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u5c06\u4e24\u4e2a\u6570\u7ec4\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111708572628044.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4<\/strong><\/p>\n<p><strong>\u5f00\u95e8\u89c1\u5c71\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528 Java \u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u51e0\u79cd\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662f\u4f7f\u7528 Arrays.copyOf() \u548c System.arraycopy() \u65b9\u6cd5\u3002<\/p>\n<p><strong>\u8be6\u7ec6\u89e3\u91ca\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5<\/strong><\/p>\n<p>Arrays.copyOf() \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u6307\u5b9a\u539f\u59cb\u6570\u7ec4\u7684\u90e8\u5206\u6216\u5168\u90e8\u5143\u7d20\u3002\u8981\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>int[] mergedArray = Arrays.copyOf(array1, array1.length + array2.length);\nSystem.arraycopy(array2, 0, mergedArray, array1.length, array2.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u4ee3\u7801\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 mergedArray\uff0c\u5176\u5927\u5c0f\u4e3a array1 \u548c array2 \u4e24\u4e2a\u6570\u7ec4\u957f\u5ea6\u4e4b\u548c\u3002\u7136\u540e\uff0c\u5b83\u5c06 array2 \u7684\u6240\u6709\u5143\u7d20\u590d\u5236\u5230 mergedArray \u7684 array1 \u957f\u5ea6\u4e4b\u540e\u7684\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5<\/strong><\/p>\n<p>System.arraycopy() \u65b9\u6cd5\u5c06\u6307\u5b9a\u6e90\u6570\u7ec4\u7684\u4e00\u90e8\u5206\u590d\u5236\u5230\u76ee\u6807\u6570\u7ec4\u3002\u8981\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>int[] mergedArray = new int[array1.length + array2.length];\nSystem.arraycopy(array1, 0, mergedArray, 0, array1.length);\nSystem.arraycopy(array2, 0, mergedArray, array1.length, array2.length);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u4ee3\u7801\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 mergedArray\uff0c\u5176\u5927\u5c0f\u4e3a array1 \u548c array2 \u4e24\u4e2a\u6570\u7ec4\u957f\u5ea6\u4e4b\u548c\u3002\u7136\u540e\uff0c\u5b83\u5c06 array1 \u7684\u6240\u6709\u5143\u7d20\u590d\u5236\u5230 mergedArray \u7684\u5f00\u5934\uff0c\u63a5\u7740\u5c06 array2 \u7684\u6240\u6709\u5143\u7d20\u590d\u5236\u5230 array1 \u957f\u5ea6\u4e4b\u540e\u7684\u4f4d\u7f6e\u3002<\/p>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e24\u79cd\u65b9\u6cd5\u90fd\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6570\u7ec4\uff0c\u539f\u59cb\u6570\u7ec4\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/li>\n<li>\u5982\u679c\u4e24\u4e2a\u6570\u7ec4\u6709\u91cd\u53e0\u7684\u5143\u7d20\uff0c\u5219\u65b0\u6570\u7ec4\u5c06\u53ea\u5305\u542b\u91cd\u53e0\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\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>\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528 arrays.copyof() \u65b9\u6cd5\u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u590d\u5236\u4e24\u4e2a\u6570\u7ec4\u5143\u7d20\u3002\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u5c06\u4e24\u4e2a\u6570\u7ec4\u5143\u7d20\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002 \u5982\u4f55\u4f7f\u7528 Java \u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4 \u5f00\u95e8\u89c1\u5c71\uff1a \u4f7f\u7528 Java \u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\u7684\u65b9\u6cd5\u6709\u51e0\u79cd\uff0c\u5176\u4e2d\u6700\u5e38\u7528\u7684\u662f\u4f7f\u7528 Arrays.copyOf() \u548c System.arraycopy() \u65b9\u6cd5\u3002 \u8be6\u7ec6\u89e3\u91ca\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 Arrays.copyOf() \u65b9\u6cd5 Arrays.copyOf() \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u4e2d\u5305\u542b\u6307\u5b9a\u539f\u59cb\u6570\u7ec4\u7684\u90e8\u5206\u6216\u5168\u90e8\u5143\u7d20\u3002\u8981\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u8bed\u6cd5\uff1a int[] mergedArray = Arrays.copyOf(array1, array1.length + array2.length); System.arraycopy(array2, 0, mergedArray, array1.length, array2.length); \u767b\u5f55\u540e\u590d\u5236 \u6b64\u4ee3\u7801\u5c06\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4 mergedArray\uff0c\u5176\u5927\u5c0f\u4e3a array1 \u548c array2 \u4e24\u4e2a\u6570\u7ec4\u957f\u5ea6\u4e4b\u548c\u3002\u7136\u540e\uff0c\u5b83\u5c06 array2 \u7684\u6240\u6709\u5143\u7d20\u590d\u5236\u5230 mergedArray \u7684 array1 \u957f\u5ea6\u4e4b\u540e\u7684\u4f4d\u7f6e\u3002 \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5 System.arraycopy() \u65b9\u6cd5\u5c06\u6307\u5b9a\u6e90\u6570\u7ec4\u7684\u4e00\u90e8\u5206\u590d\u5236\u5230\u76ee\u6807\u6570\u7ec4\u3002\u8981\u5408\u5e76\u4e24\u4e2a\u6574\u5f62\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u8bed\u6cd5\uff1a int[] mergedArray [&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-66766","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66766","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=66766"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66766\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}