{"id":64631,"date":"2025-05-03T14:47:57","date_gmt":"2025-05-03T06:47:57","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64631\/"},"modified":"2025-05-03T14:47:57","modified_gmt":"2025-05-03T06:47:57","slug":"java%e6%80%8e%e4%b9%88%e5%af%b9%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e5%be%aa%e7%8e%af%e9%81%8d%e5%8e%86-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64631\/","title":{"rendered":"java\u600e\u4e48\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u5faa\u73af\u904d\u5386"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u7528\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u5d4c\u5957 for \u5faa\u73af\uff1a\u5229\u7528\u4e24\u4e2a for \u5faa\u73af\u5206\u522b\u904d\u5386\u884c\u548c\u5217\u3002\u4f7f\u7528\u589e\u5f3a\u578b for \u5faa\u73af\uff1a\u4f7f\u7528\u4e00\u4e2a for-each \u5faa\u73af\u904d\u5386\u884c\uff0c\u518d\u4f7f\u7528\u53e6\u4e00\u4e2a for-each \u5faa\u73af\u904d\u5386\u5217\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110404271770109.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u5faa\u73af\u904d\u5386\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u5faa\u73af\u904d\u5386\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f7f\u7528 Java \u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u3002\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u610f\u5473\u7740\u8bbf\u95ee\u5176\u6240\u6709\u5143\u7d20\u3002\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u53ef\u4ee5\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8fdb\u884c\u5faa\u73af\u904d\u5386\uff1a<\/p>\n<p><strong>1. \u4f7f\u7528\u5d4c\u5957 for \u5faa\u73af<\/strong><\/p>\n<p>\u5d4c\u5957 for \u5faa\u73af\u662f\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u3002\u5b83\u6d89\u53ca\u4f7f\u7528\u4e24\u4e2a for \u5faa\u73af\uff0c\u4e00\u4e2a\u5faa\u73af\u7528\u4e8e\u904d\u5386\u884c\uff0c\u53e6\u4e00\u4e2a\u5faa\u73af\u7528\u4e8e\u904d\u5386\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] arr = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};\n\nfor (int row = 0; row &lt; arr.length; row++) {\n    for (int col = 0; col &lt; arr[row].length; col++) {\n        System.out.print(arr[row][col] + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>1 2 3 \n4 5 6 \n7 8 9 <\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u4f7f\u7528\u589e\u5f3a\u578b for \u5faa\u73af<\/strong><\/p>\n<p>\u589e\u5f3a\u578b for \u5faa\u73af\uff08\u4e5f\u79f0\u4e3a for-each \u5faa\u73af\uff09\u662f\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u3002\u5b83\u4f7f\u7528\u4e00\u4e2a for-each \u5faa\u73af\u6765\u904d\u5386\u884c\uff0c\u7136\u540e\u4f9d\u6b21\u4f7f\u7528\u7b2c\u4e8c\u4e2a for-each \u5faa\u73af\u6765\u904d\u5386\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>int[][] arr = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};\n\nfor (int[] row : arr) {\n    for (int element : row) {\n        System.out.print(element + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>1 2 3 \n4 5 6 \n7 8 9 <\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u5faa\u73af\u904d\u5386\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>\u5728 java \u4e2d\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u7528\u4e24\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528\u5d4c\u5957 for \u5faa\u73af\uff1a\u5229\u7528\u4e24\u4e2a for \u5faa\u73af\u5206\u522b\u904d\u5386\u884c\u548c\u5217\u3002\u4f7f\u7528\u589e\u5f3a\u578b for \u5faa\u73af\uff1a\u4f7f\u7528\u4e00\u4e2a for-each \u5faa\u73af\u904d\u5386\u884c\uff0c\u518d\u4f7f\u7528\u53e6\u4e00\u4e2a for-each \u5faa\u73af\u904d\u5386\u5217\u3002 \u5982\u4f55\u4f7f\u7528 Java \u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u6570\u7ec4\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\u3002\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u610f\u5473\u7740\u8bbf\u95ee\u5176\u6240\u6709\u5143\u7d20\u3002\u6709\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u53ef\u4ee5\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8fdb\u884c\u5faa\u73af\u904d\u5386\uff1a 1. \u4f7f\u7528\u5d4c\u5957 for \u5faa\u73af \u5d4c\u5957 for \u5faa\u73af\u662f\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u3002\u5b83\u6d89\u53ca\u4f7f\u7528\u4e24\u4e2a for \u5faa\u73af\uff0c\u4e00\u4e2a\u5faa\u73af\u7528\u4e8e\u904d\u5386\u884c\uff0c\u53e6\u4e00\u4e2a\u5faa\u73af\u7528\u4e8e\u904d\u5386\u5217\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] arr = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} }; for (int row = 0; row &lt; arr.length; row++) { for (int [&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-64631","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64631","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=64631"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64631\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}