{"id":40305,"date":"2024-11-26T14:36:23","date_gmt":"2024-11-26T06:36:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40305\/"},"modified":"2024-11-26T14:36:23","modified_gmt":"2024-11-26T06:36:23","slug":"java%e6%80%8e%e4%b9%88%e5%b0%86%e4%b8%a4%e4%b8%aa%e6%95%b0%e7%bb%84%e5%90%88%e5%b9%b6%e6%88%90%e4%b8%80%e4%b8%aa","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40305\/","title":{"rendered":"java\u600e\u4e48\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a"},"content":{"rendered":"

\n \u6709\u4e09\u79cd\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528\u6570\u7ec4\u8fde\u63a5\u8fd0\u7b97\u7b26\uff08+\uff09\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u4f7f\u7528 arrays.copyof() \u548c arrays.copyofrange() \u65b9\u6cd5\uff08java 8+\uff09\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a<\/strong><\/p>\n

\u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528\u6570\u7ec4\u8fde\u63a5\u8fd0\u7b97\u7b26\uff08+\uff09<\/strong><\/p>\n

\u8fd9\u662f\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\u6570\u7ec4\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n

int[] array1 = {1, 2, 3};\nint[] array2 = {4, 5, 6};\nint[] mergedArray = array1 + array2;<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
mergedArray \u73b0\u5728\u5305\u542b\u5408\u5e76\u540e\u7684\u6570\u7ec4\uff0c\u5373 [1, 2, 3, 4, 5, 6]\u3002<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
\u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5<\/strong><\/p>\n
\u6b64\u65b9\u6cd5\u5141\u8bb8\u60a8\u4ece\u6e90\u6570\u7ec4\u590d\u5236\u6307\u5b9a\u6570\u91cf\u7684\u5143\u7d20\u5230\u76ee\u6807\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n
System.arraycopy(array1, 0, mergedArray, 0, array1.length);\nSystem.arraycopy(array2, 0, mergedArray, array1.length, array2.length);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8fd9\u5c06\u628a array1 \u548c array2 \u7684\u5143\u7d20\u590d\u5236\u5230 mergedArray \u4e2d\u3002<\/p>\n
\u65b9\u6cd5\u4e09\uff1a\u4f7f\u7528 Arrays.copyOf() \u548c Arrays.copyOfRange() \u65b9\u6cd5<\/strong><\/p>\n
\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u662f Java 8 \u4e2d\u5f15\u5165\u7684\u3002<\/p>\n
    \n
  • Arrays.copyOf()\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u5185\u5bb9\u4e0e\u7ed9\u5b9a\u7684\u6570\u7ec4\u76f8\u540c\u3002<\/li>\n
  • Arrays.copyOfRange()\uff1a\u521b\u5efa\u4e00\u4e2a\u65b0\u6570\u7ec4\uff0c\u5176\u5185\u5bb9\u4e0e\u7ed9\u5b9a\u6570\u7ec4\u4e2d\u6307\u5b9a\u8303\u56f4\u5185\u7684\u5143\u7d20\u76f8\u540c\u3002<\/li>\n<\/ul>\n
    \u60a8\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
    int[] mergedArray = Arrays.copyOf(array1, array1.length + array2.length);\nSystem.arraycopy(array2, 0, mergedArray, array1.length, array2.length);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\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":"
    \u6709\u4e09\u79cd\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\u7684\u65b9\u6cd5\uff1a\u4f7f\u7528\u6570\u7ec4\u8fde\u63a5\u8fd0\u7b97\u7b26\uff08+\uff09\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\u4f7f\u7528 arrays.copyof() \u548c arrays.copyofrange() \u65b9\u6cd5\uff08java 8+\uff09 \u5982\u4f55\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a \u65b9\u6cd5\u4e00\uff1a\u4f7f\u7528\u6570\u7ec4\u8fde\u63a5\u8fd0\u7b97\u7b26\uff08+\uff09 \u8fd9\u662f\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u6210\u4e00\u4e2a\u6570\u7ec4\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a int[] array1 = {1, 2, 3}; int[] array2 = {4, 5, 6}; int[] mergedArray = array1 + array2; \u767b\u5f55\u540e\u590d\u5236 mergedArray \u73b0\u5728\u5305\u542b\u5408\u5e76\u540e\u7684\u6570\u7ec4\uff0c\u5373 [1, 2, 3, 4, 5, 6]\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u65b9\u6cd5\u4e8c\uff1a\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5 \u6b64\u65b9\u6cd5\u5141\u8bb8\u60a8\u4ece\u6e90\u6570\u7ec4\u590d\u5236\u6307\u5b9a\u6570\u91cf\u7684\u5143\u7d20\u5230\u76ee\u6807\u6570\u7ec4\u3002\u8bed\u6cd5\u5982\u4e0b\uff1a System.arraycopy(array1, 0, mergedArray, 0, array1.length); System.arraycopy(array2, 0, mergedArray, array1.length, array2.length); \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u5c06\u628a […]<\/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-40305","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40305","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=40305"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40305\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40305"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40305"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40305"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}