{"id":36745,"date":"2024-11-26T14:34:37","date_gmt":"2024-11-26T06:34:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/36745\/"},"modified":"2024-11-26T14:34:37","modified_gmt":"2024-11-26T06:34:37","slug":"java%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e6%8b%86%e5%88%86","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/36745\/","title":{"rendered":"java\u6570\u7ec4\u600e\u4e48\u62c6\u5206"},"content":{"rendered":"

\n java\u6570\u7ec4\u62c6\u5206\u662f\u6307\u5c06\u4e00\u4e2a\u6570\u7ec4\u5206\u5272\u4e3a\u591a\u4e2a\u8f83\u5c0f\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7\uff1a\u4f7f\u7528arrays.copyofrange()\u65b9\u6cd5\u6309\u6307\u5b9a\u8303\u56f4\u5206\u5272\uff1b\u4f7f\u7528system.arraycopy()\u65b9\u6cd5\u4f9d\u6b21\u62f7\u8d1d\u6570\u636e\uff1b\u4f7f\u7528\u6d41\u5f0fapi\u6309\u7ed9\u5b9a\u95f4\u9694\u5206\u7ec4\u540e\u518d\u8f6c\u5316\u4e3a\u6570\u7ec4\u3002\n<\/p><\/blockquote>\n

\"java\u6570\u7ec4\u600e\u4e48\u62c6\u5206\u63d2\u56fe\"<\/p>\n

Java \u6570\u7ec4\u62c6\u5206<\/strong><\/p>\n

\u62c6\u5206 Java \u6570\u7ec4\u662f\u6307\u5c06\u4e00\u4e2a\u6570\u7ec4\u5206\u5272\u6210\u591a\u4e2a\u8f83\u5c0f\u7684\u6570\u7ec4\u3002\u8fd9\u5728\u5904\u7406\u5927\u578b\u6570\u7ec4\u6216\u9700\u8981\u6309\u7279\u5b9a\u65b9\u5f0f\u91cd\u65b0\u7ec4\u7ec7\u6570\u636e\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n

\u62c6\u5206\u6570\u7ec4\u7684\u65b9\u6cd5:<\/strong><\/p>\n

\u4f7f\u7528 Arrays.copyOfRange() \u65b9\u6cd5:<\/strong><\/p>\n

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

int[] originalArray = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};\n\n\/\/ \u5c06\u539f\u59cb\u6570\u7ec4\u62c6\u5206\u6210\u5927\u5c0f\u4e3a 3 \u7684\u5b50\u6570\u7ec4\nint[][] splitArrays = new int[originalArray.length \/ 3][3];\n\nfor (int i = 0; i < splitArrays.length; i++) {\n    splitArrays[i] = Arrays.copyOfRange(originalArray, i * 3, i * 3 + 3);\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5:<\/strong><\/p>\n
int[] originalArray = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};\n\n\/\/ \u58f0\u660e\u62c6\u5206\u540e\u7684\u5b50\u6570\u7ec4\nint[][] splitArrays = new int[3][];\n\n\/\/ \u5206\u522b\u5c06\u539f\u59cb\u6570\u7ec4\u62c6\u5206\u6210\u5927\u5c0f\u4e3a 3 \u7684\u5b50\u6570\u7ec4\nsplitArrays[0] = new int[3];\nSystem.arraycopy(originalArray, 0, splitArrays[0], 0, 3);\n\nsplitArrays[1] = new int[3];\nSystem.arraycopy(originalArray, 3, splitArrays[1], 0, 3);\n\nsplitArrays[2] = new int[3];\nSystem.arraycopy(originalArray, 6, splitArrays[2], 0, 3);<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u4f7f\u7528\u6d41\u5f0f API:<\/strong><\/p>\n
int[] originalArray = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};\n\n\/\/ \u4f7f\u7528\u6d41\u5f0f API \u5206\u62c6\u6570\u7ec4\nList<int[]> splitArrays = IntStream.range(0, originalArray.length)\n        .boxed()\n        .collect(Collectors.groupingBy(i -> i \/ 3))\n        .values().stream()\n        .map(l -> l.stream().mapToInt(i -> i).toArray())\n        .toList();<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u62c6\u5206\u6570\u7ec4\u7684\u6ce8\u610f\u4e8b\u9879:<\/strong><\/p>\n
    \n
  • \u786e\u4fdd\u5b50\u6570\u7ec4\u7684\u5927\u5c0f\u4e0e\u539f\u59cb\u6570\u7ec4\u7684\u5143\u7d20\u6570\u91cf\u6210\u6bd4\u4f8b\u3002<\/li>\n
  • \u5982\u679c\u539f\u59cb\u6570\u7ec4\u7684\u5927\u5c0f\u4e0d\u662f\u5b50\u6570\u7ec4\u5927\u5c0f\u7684\u500d\u6570\uff0c\u6700\u540e\u4e00\u4e2a\u5b50\u6570\u7ec4\u53ef\u80fd\u6bd4\u5176\u4ed6\u5b50\u6570\u7ec4\u5c0f\u3002<\/li>\n
  • \u4f7f\u7528\u9ad8\u6548\u7684\u65b9\u6cd5\uff0c\u4f8b\u5982 Arrays.copyOfRange() \u6216 System.arraycopy()\uff0c\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u6570\u7ec4\u600e\u4e48\u62c6\u5206\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":"
    java\u6570\u7ec4\u62c6\u5206\u662f\u6307\u5c06\u4e00\u4e2a\u6570\u7ec4\u5206\u5272\u4e3a\u591a\u4e2a\u8f83\u5c0f\u7684\u6570\u7ec4\uff0c\u53ef\u4ee5\u901a\u8fc7\uff1a\u4f7f\u7528arrays.copyofrange()\u65b9\u6cd5\u6309\u6307\u5b9a\u8303\u56f4\u5206\u5272\uff1b\u4f7f\u7528system.arraycopy()\u65b9\u6cd5\u4f9d\u6b21\u62f7\u8d1d\u6570\u636e\uff1b\u4f7f\u7528\u6d41\u5f0fapi\u6309\u7ed9\u5b9a\u95f4\u9694\u5206\u7ec4\u540e\u518d\u8f6c\u5316\u4e3a\u6570\u7ec4\u3002 Java \u6570\u7ec4\u62c6\u5206 \u62c6\u5206 Java \u6570\u7ec4\u662f\u6307\u5c06\u4e00\u4e2a\u6570\u7ec4\u5206\u5272\u6210\u591a\u4e2a\u8f83\u5c0f\u7684\u6570\u7ec4\u3002\u8fd9\u5728\u5904\u7406\u5927\u578b\u6570\u7ec4\u6216\u9700\u8981\u6309\u7279\u5b9a\u65b9\u5f0f\u91cd\u65b0\u7ec4\u7ec7\u6570\u636e\u65f6\u975e\u5e38\u6709\u7528\u3002 \u62c6\u5206\u6570\u7ec4\u7684\u65b9\u6cd5: \u4f7f\u7528 Arrays.copyOfRange() \u65b9\u6cd5: \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[] originalArray = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; \/\/ \u5c06\u539f\u59cb\u6570\u7ec4\u62c6\u5206\u6210\u5927\u5c0f\u4e3a 3 \u7684\u5b50\u6570\u7ec4 int[][] splitArrays = new int[originalArray.length \/ 3][3]; for (int i = 0; i < splitArrays.length; i++) { splitArrays[i] = Arrays.copyOfRange(originalArray, i * 3, i * 3 + […]<\/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-36745","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36745","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=36745"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/36745\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=36745"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=36745"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=36745"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}