{"id":35452,"date":"2024-11-26T17:56:01","date_gmt":"2024-11-26T09:56:01","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35452\/"},"modified":"2024-11-26T17:56:01","modified_gmt":"2024-11-26T09:56:01","slug":"java%e6%80%8e%e4%b9%88%e8%83%bd%e6%8a%8a%e4%bf%a9%e4%b8%aa%e6%95%b0%e7%bb%84%e5%90%88%e5%b9%b6","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35452\/","title":{"rendered":"java\u600e\u4e48\u80fd\u628a\u4fe9\u4e2a\u6570\u7ec4\u5408\u5e76"},"content":{"rendered":"

\n \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u7684\u4e24\u79cd\u5e38\u7528\u65b9\u6cd5\u662f\uff1a1. \u4f7f\u7528 system.arraycopy() \u590d\u5236\u6570\u7ec4\u90e8\u5206\u6216\u5168\u90e8\uff1b2. \u4f7f\u7528 arrays.copyof() \u548c arrays.copyofrange() \u7b80\u5316\u590d\u5236\u8fc7\u7a0b\uff0c\u521b\u5efa\u65b0\u6570\u7ec4\u5e76\u590d\u5236\u6570\u7ec4\u90e8\u5206\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u80fd\u628a\u4fe9\u4e2a\u6570\u7ec4\u5408\u5e76\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f7f\u7528 Java \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4<\/strong><\/p>\n

\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u662f Java \u4e2d\u7ecf\u5e38\u9047\u5230\u7684\u4efb\u52a1\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b8c\u6210\u6b64\u64cd\u4f5c\uff0c\u4ee5\u4e0b\u662f\u6700\u5e38\u7528\u7684\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n

\u65b9\u6cd5 1\uff1a\u4f7f\u7528 System.arraycopy()<\/strong><\/p>\n

System.arraycopy() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6570\u7ec4\u7684\u90e8\u5206\u6216\u5168\u90e8\u5185\u5bb9\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 System.arraycopy() \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    \n
  1. \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u7b49\u4e8e\u4e24\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5927\u5c0f\u4e4b\u548c\u3002<\/li>\n
  2. \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u7b2c\u4e00\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002<\/li>\n
  3. \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\uff0c\u4ece\u7b2c\u4e00\u4e2a\u6570\u7ec4\u7684\u957f\u5ea6\u5f00\u59cb\u3002<\/li>\n<\/ol>\n

    \u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    int[] arr1 = {1, 2, 3};\nint[] arr2 = {4, 5, 6};\nint[] mergedArr = new int[arr1.length + arr2.length];\n\nSystem.arraycopy(arr1, 0, mergedArr, 0, arr1.length);\nSystem.arraycopy(arr2, 0, mergedArr, arr1.length, arr2.length);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u65b9\u6cd5 2\uff1a\u4f7f\u7528 Arrays.copyOf() \u548c Arrays.copyOfRange()<\/strong><\/p>\n
    Java Arrays \u7c7b\u63d0\u4f9b\u4e86 copyOf() \u548c copyOfRange() \u65b9\u6cd5\uff0c\u5b83\u4eec\u53ef\u4ee5\u7b80\u5316\u6570\u7ec4\u590d\u5236\u8fc7\u7a0b\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Arrays.copyOf() \u548c Arrays.copyOfRange() \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a<\/p>\n
      \n
    1. \u4f7f\u7528 Arrays.copyOf() \u521b\u5efa\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u7b49\u4e8e\u4e24\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5927\u5c0f\u4e4b\u548c\u3002<\/li>\n
    2. \u4f7f\u7528 Arrays.copyOfRange() \u5c06\u7b2c\u4e00\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002<\/li>\n
    3. \u4f7f\u7528 Arrays.copyOfRange() \u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\uff0c\u4ece\u7b2c\u4e00\u4e2a\u6570\u7ec4\u7684\u957f\u5ea6\u5f00\u59cb\u3002<\/li>\n<\/ol>\n
      \u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      int[] arr1 = {1, 2, 3};\nint[] arr2 = {4, 5, 6};\nint[] mergedArr = Arrays.copyOf(arr1, arr1.length + arr2.length);\nSystem.arraycopy(arr2, 0, mergedArr, arr1.length, arr2.length);<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u80fd\u628a\u4fe9\u4e2a\u6570\u7ec4\u5408\u5e76\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":"
      \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u7684\u4e24\u79cd\u5e38\u7528\u65b9\u6cd5\u662f\uff1a1. \u4f7f\u7528 system.arraycopy() \u590d\u5236\u6570\u7ec4\u90e8\u5206\u6216\u5168\u90e8\uff1b2. \u4f7f\u7528 arrays.copyof() \u548c arrays.copyofrange() \u7b80\u5316\u590d\u5236\u8fc7\u7a0b\uff0c\u521b\u5efa\u65b0\u6570\u7ec4\u5e76\u590d\u5236\u6570\u7ec4\u90e8\u5206\u3002 \u5982\u4f55\u4f7f\u7528 Java \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4 \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u662f Java \u4e2d\u7ecf\u5e38\u9047\u5230\u7684\u4efb\u52a1\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b8c\u6210\u6b64\u64cd\u4f5c\uff0c\u4ee5\u4e0b\u662f\u6700\u5e38\u7528\u7684\u4e24\u79cd\u65b9\u6cd5\uff1a \u65b9\u6cd5 1\uff1a\u4f7f\u7528 System.arraycopy() System.arraycopy() \u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2a\u6570\u7ec4\u7684\u90e8\u5206\u6216\u5168\u90e8\u5185\u5bb9\u590d\u5236\u5230\u53e6\u4e00\u4e2a\u6570\u7ec4\u4e2d\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 System.arraycopy() \u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u7684\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5927\u5c0f\u7b49\u4e8e\u4e24\u4e2a\u539f\u59cb\u6570\u7ec4\u7684\u5927\u5c0f\u4e4b\u548c\u3002 \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u7b2c\u4e00\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\u3002 \u4f7f\u7528 System.arraycopy() \u65b9\u6cd5\u5c06\u7b2c\u4e8c\u4e2a\u6570\u7ec4\u590d\u5236\u5230\u65b0\u6570\u7ec4\u4e2d\uff0c\u4ece\u7b2c\u4e00\u4e2a\u6570\u7ec4\u7684\u957f\u5ea6\u5f00\u59cb\u3002 \u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a int[] arr1 = {1, 2, 3}; int[] arr2 = {4, 5, 6}; int[] mergedArr = new int[arr1.length + arr2.length]; System.arraycopy(arr1, 0, mergedArr, 0, arr1.length); […]<\/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-35452","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35452","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=35452"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35452\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}