{"id":35604,"date":"2024-11-26T14:25:54","date_gmt":"2024-11-26T06:25:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35604\/"},"modified":"2024-11-26T14:25:54","modified_gmt":"2024-11-26T06:25:54","slug":"java%e6%80%8e%e4%b9%88%e9%81%8d%e5%8e%86%e4%b8%80%e4%b8%aa%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35604\/","title":{"rendered":"java\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u904d\u5386java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u5d4c\u5957\u5faa\u73af\u548cfor-each\u5faa\u73af\u3002\u5d4c\u5957\u5faa\u73af\u4f7f\u7528\u4e24\u4e2a\u5faa\u73af\u9010\u884c\u9010\u5217\u904d\u5386\uff0c\u800cfor-each\u5faa\u73af\u4f7f\u7528\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110406545720420.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\" alt=\"java\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u904d\u5386Java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u91c7\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u5d4c\u5957\u5faa\u73af<\/strong><\/p>\n<p>\u6b64\u65b9\u6cd5\u6d89\u53ca\u4f7f\u7528\u4e24\u4e2a\u5d4c\u5957\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] arr = {\n    {1, 2},\n    {3, 4}\n};\n\nfor (int i = 0; i &lt; arr.length; i++) {\n    for (int j = 0; j &lt; arr[i].length; j++) {\n        System.out.println(arr[i][j]);\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>1\n2\n3\n4<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. for-each\u5faa\u73af<\/strong><\/p>\n<p>\u4f7f\u7528for-each\u5faa\u73af\u53ef\u4ee5\u66f4\u7b80\u6d01\u5730\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] arr = {\n    {1, 2},\n    {3, 4}\n};\n\nfor (int[] row : arr) {\n    for (int num : row) {\n        System.out.println(num);\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\u4e0e\u5d4c\u5957\u5faa\u73af\u76f8\u540c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u904d\u5386\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\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":"<p>\u904d\u5386java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u5d4c\u5957\u5faa\u73af\u548cfor-each\u5faa\u73af\u3002\u5d4c\u5957\u5faa\u73af\u4f7f\u7528\u4e24\u4e2a\u5faa\u73af\u9010\u884c\u9010\u5217\u904d\u5386\uff0c\u800cfor-each\u5faa\u73af\u4f7f\u7528\u66f4\u7b80\u6d01\u7684\u8bed\u6cd5\u904d\u5386\u6570\u7ec4\u5143\u7d20\u3002 \u5982\u4f55\u904d\u5386Java\u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4 \u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u91c7\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\uff1a 1. \u5d4c\u5957\u5faa\u73af \u6b64\u65b9\u6cd5\u6d89\u53ca\u4f7f\u7528\u4e24\u4e2a\u5d4c\u5957\u5faa\u73af\u6765\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] arr = { {1, 2}, {3, 4} }; for (int i = 0; i &lt; arr.length; i++) { for (int j = 0; j &lt; arr[i].length; j++) { System.out.println(arr[i][j]); } } \u767b\u5f55\u540e\u590d\u5236 \u8f93\u51fa\uff1a 1 2 3 4 \u767b\u5f55\u540e\u590d\u5236 2. for-each\u5faa\u73af \u4f7f\u7528for-each\u5faa\u73af\u53ef\u4ee5\u66f4\u7b80\u6d01\u5730\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\uff1a int[][] arr = { {1, 2}, [&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-35604","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35604","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=35604"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35604\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}