{"id":64657,"date":"2025-05-03T14:19:46","date_gmt":"2025-05-03T06:19:46","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64657\/"},"modified":"2025-05-03T14:19:46","modified_gmt":"2025-05-03T06:19:46","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%bd%ac%e4%b8%ba%e4%b8%80%e7%bb%b4-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64657\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8f6c\u4e3a\u4e00\u7ef4"},"content":{"rendered":"<blockquote><p>\n  \u5c06 java \u4e8c\u7ef4\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u7ef4\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 for \u5faa\u73af\uff1a\u4f9d\u6b21\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u590d\u5236\u5230\u4e00\u7ef4\u6570\u7ec4\u4e2d\u3002\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\uff1a\u5faa\u73af\u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\uff0c\u4f7f\u7528 system.arraycopy() \u5c06\u6bcf\u4e00\u884c\u590d\u5236\u5230\u4e00\u7ef4\u6570\u7ec4\u7684\u76f8\u5e94\u4f4d\u7f6e\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110405481724090.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8f6c\u4e3a\u4e00\u7ef4\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8f6c\u4e3a\u4e00\u7ef4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5c06 Java \u4e8c\u7ef4\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u7ef4\u6570\u7ec4\uff1f<\/strong><\/p>\n<p>\u5c06\u4e8c\u7ef4\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u7ef4\u6570\u7ec4\u53ef\u4ee5\u5728\u6570\u636e\u5904\u7406\u548c\u5185\u5b58\u7ba1\u7406\u65b9\u9762\u63d0\u4f9b\u4f18\u52bf\u3002\u4e0b\u9762\u4ecb\u7ecd\u4e24\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u8f6c\u6362\uff1a<\/p>\n<p><strong>\u4f7f\u7528 for \u5faa\u73af<\/strong><\/p>\n<pre>int[][] twoDimensionalArray = {\n  {1, 2, 3},\n  {4, 5, 6},\n  {7, 8, 9}\n};\n\nint[] oneDimensionalArray = new int[twoDimensionalArray.length * twoDimensionalArray[0].length];\n\nint index = 0;\nfor (int i = 0; i &lt; twoDimensionalArray.length; i++) {\n  for (int j = 0; j &lt; twoDimensionalArray[i].length; j++) {\n    oneDimensionalArray[index++] = twoDimensionalArray[i][j];\n  }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4f7f\u7528 System.arraycopy() \u65b9\u6cd5<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] twoDimensionalArray = {\n  {1, 2, 3},\n  {4, 5, 6},\n  {7, 8, 9}\n};\n\nint[] oneDimensionalArray = new int[twoDimensionalArray.length * twoDimensionalArray[0].length];\n\nint index = 0;\nfor (int[] row : twoDimensionalArray) {\n  System.arraycopy(row, 0, oneDimensionalArray, index, row.length);\n  index += row.length;\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u5c06\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u603b\u6570\u7684\u4e00\u7ef4\u6570\u7ec4\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8f6c\u4e3a\u4e00\u7ef4\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>\u5c06 java \u4e8c\u7ef4\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u7ef4\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528 for \u5faa\u73af\uff1a\u4f9d\u6b21\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5e76\u5c06\u5b83\u4eec\u590d\u5236\u5230\u4e00\u7ef4\u6570\u7ec4\u4e2d\u3002\u4f7f\u7528 system.arraycopy() \u65b9\u6cd5\uff1a\u5faa\u73af\u4e8c\u7ef4\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\uff0c\u4f7f\u7528 system.arraycopy() \u5c06\u6bcf\u4e00\u884c\u590d\u5236\u5230\u4e00\u7ef4\u6570\u7ec4\u7684\u76f8\u5e94\u4f4d\u7f6e\u3002 \u5982\u4f55\u5c06 Java \u4e8c\u7ef4\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u7ef4\u6570\u7ec4\uff1f \u5c06\u4e8c\u7ef4\u6570\u7ec4\u8f6c\u6362\u4e3a\u4e00\u7ef4\u6570\u7ec4\u53ef\u4ee5\u5728\u6570\u636e\u5904\u7406\u548c\u5185\u5b58\u7ba1\u7406\u65b9\u9762\u63d0\u4f9b\u4f18\u52bf\u3002\u4e0b\u9762\u4ecb\u7ecd\u4e24\u79cd\u65b9\u6cd5\u6765\u5b9e\u73b0\u8fd9\u4e00\u8f6c\u6362\uff1a \u4f7f\u7528 for \u5faa\u73af int[][] twoDimensionalArray = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} }; int[] oneDimensionalArray = new int[twoDimensionalArray.length * twoDimensionalArray[0].length]; int index = 0; for (int i = 0; i &lt; twoDimensionalArray.length; i++) { for (int j = [&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-64657","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64657","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=64657"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64657\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64657"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}