{"id":40020,"date":"2024-11-26T14:49:24","date_gmt":"2024-11-26T06:49:24","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40020\/"},"modified":"2024-11-26T14:49:24","modified_gmt":"2024-11-26T06:49:24","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%be%93%e5%87%ba%e5%81%b6%e6%95%b0%e4%b8%aa%e6%95%b0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40020\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\u5076\u6570\u4e2a\u6570"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u8f93\u51fa\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5076\u6570\uff0c\u9700\u8981\u4f9d\u6b21\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u4f7f\u7528\u53cc\u91cd\u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4e3a\u5076\u6570\uff08\u4f7f\u7528 if \u8bed\u53e5\uff09\u3002\u5c06\u68c0\u6d4b\u5230\u7684\u5076\u6570\u5143\u7d20\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u6216\u5176\u4ed6\u8f93\u51fa\u6d41\uff08\u4f7f\u7528 system.out.println\uff09\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111718393595212.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\u5076\u6570\u4e2a\u6570\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\u5076\u6570\u4e2a\u6570\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u8f93\u51fa Java \u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5076\u6570<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u8f93\u51fa\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5076\u6570\u6709\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u53cc\u91cd\u5faa\u73af\u904d\u5386\u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528\u53cc\u91cd for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>for (int i = 0; i &lt; array.length; i++) {\n    for (int j = 0; j &lt; array[i].length; j++) {\n        \/\/ ...\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4e3a\u5076\u6570<\/strong><\/p>\n<p>\u5728\u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528 if \u8bed\u53e5\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4e3a\u5076\u6570\u3002<\/p>\n<pre>if (array[i][j] % 2 == 0) {\n    \/\/ ...\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u8f93\u51fa\u5076\u6570<\/strong><\/p>\n<p>\u5f53\u68c0\u6d4b\u5230\u5076\u6570\u5143\u7d20\u65f6\uff0c\u5c06\u5176\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u6216\u5176\u4ed6\u8f93\u51fa\u6d41\u3002<\/p>\n<pre>System.out.println(array[i][j]);<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5b8c\u6574\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>int[][] array = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};\n\nfor (int i = 0; i &lt; array.length; i++) {\n    for (int j = 0; j &lt; array[i].length; j++) {\n        if (array[i][j] % 2 == 0) {\n            System.out.println(array[i][j]);\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>2\n4\n6\n8<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u8f93\u51fa\u5076\u6570\u4e2a\u6570\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>\u5728 java \u4e2d\u8f93\u51fa\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5076\u6570\uff0c\u9700\u8981\u4f9d\u6b21\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a\u4f7f\u7528\u53cc\u91cd\u5faa\u73af\u904d\u5386\u6570\u7ec4\uff0c\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4e3a\u5076\u6570\uff08\u4f7f\u7528 if \u8bed\u53e5\uff09\u3002\u5c06\u68c0\u6d4b\u5230\u7684\u5076\u6570\u5143\u7d20\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u6216\u5176\u4ed6\u8f93\u51fa\u6d41\uff08\u4f7f\u7528 system.out.println\uff09\u3002 \u5982\u4f55\u8f93\u51fa Java \u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5076\u6570 \u5728 Java \u4e2d\uff0c\u8f93\u51fa\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5076\u6570\u6709\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u53cc\u91cd\u5faa\u73af\u904d\u5386\u6570\u7ec4 \u4f7f\u7528\u53cc\u91cd for \u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u548c\u6bcf\u4e00\u5217\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b for (int i = 0; i &lt; array.length; i++) { for (int j = 0; j &lt; array[i].length; j++) { \/\/ &#8230; } } \u767b\u5f55\u540e\u590d\u5236 2. \u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4e3a\u5076\u6570 \u5728\u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528 if \u8bed\u53e5\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u4e3a\u5076\u6570\u3002 if (array[i][j] % 2 == 0) { [&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-40020","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40020","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=40020"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40020\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}