{"id":39801,"date":"2024-11-26T08:57:21","date_gmt":"2024-11-26T00:57:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39801\/"},"modified":"2024-11-26T08:57:21","modified_gmt":"2024-11-26T00:57:21","slug":"java%e6%80%8e%e4%b9%88%e6%9f%a5%e6%89%be%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e7%9a%84%e5%85%83%e7%b4%a0","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39801\/","title":{"rendered":"java\u600e\u4e48\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20"},"content":{"rendered":"<blockquote><p>\n  \u8981\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a1. \u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\u30022. \u83b7\u53d6\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u30023. \u904d\u5386\u6570\u7ec4\u30024. \u68c0\u67e5\u5143\u7d20\u30025. \u627e\u5230\u5143\u7d20\u540e\uff0c\u91c7\u53d6\u76f8\u5e94\u64cd\u4f5c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111710281990741.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20\u63d2\u56fe\" alt=\"java\u600e\u4e48\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 Java \u4e2d\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20<\/strong><\/p>\n<p>\u8981\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>1. \u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u9996\u5148\uff0c\u4f60\u9700\u8981\u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] array = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u83b7\u53d6\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570<\/strong><\/p>\n<p>\u8981\u83b7\u5f97\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<pre>int rows = array.length;\nint cols = array[0].length;<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>3. \u904d\u5386\u6570\u7ec4<\/strong><\/p>\n<p>\u4f7f\u7528\u4e24\u4e2a\u5d4c\u5957\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u5916\u5c42\u5faa\u73af\u7528\u4e8e\u904d\u5386\u884c\uff0c\u5185\u5c42\u5faa\u73af\u7528\u4e8e\u904d\u5386\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>for (int i = 0; i &lt; rows; i++) {\n    for (int j = 0; j &lt; cols; j++) {\n        \/\/ \u68c0\u67e5\u6570\u7ec4\u5143\u7d20\u662f\u5426\u6ee1\u8db3\u4f60\u7684\u6761\u4ef6\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>4. \u68c0\u67e5\u5143\u7d20<\/strong><\/p>\n<p>\u5728\u904d\u5386\u6570\u7ec4\u65f6\uff0c\u4f60\u53ef\u4ee5\u68c0\u67e5\u6bcf\u4e2a\u5143\u7d20\u662f\u5426\u6ee1\u8db3\u4f60\u7684\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u68c0\u67e5\u6570\u7ec4\u4e2d\u662f\u5426\u5305\u542b\u6570\u5b57 5\uff1a<\/p>\n<pre>for (int i = 0; i &lt; rows; i++) {\n    for (int j = 0; j &lt; cols; j++) {\n        if (array[i][j] == 5) {\n            \/\/ \u5143\u7d20\u5df2\u627e\u5230\n        }\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>5. \u627e\u5230\u5143\u7d20\u540e\uff0c\u91c7\u53d6\u76f8\u5e94\u64cd\u4f5c<\/strong><\/p>\n<p>\u627e\u5230\u5143\u7d20\u540e\uff0c\u4f60\u53ef\u4ee5\u91c7\u53d6\u76f8\u5e94\u7684\u64cd\u4f5c\uff0c\u4f8b\u5982\u6253\u5370\u5143\u7d20\u7684\u4f4d\u7f6e\u6216\u4fee\u6539\u5143\u7d20\u7684\u503c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20\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>\u8981\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a1. \u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4\u30022. \u83b7\u53d6\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u30023. \u904d\u5386\u6570\u7ec4\u30024. \u68c0\u67e5\u5143\u7d20\u30025. \u627e\u5230\u5143\u7d20\u540e\uff0c\u91c7\u53d6\u76f8\u5e94\u64cd\u4f5c\u3002 \u5982\u4f55\u5728 Java \u4e2d\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u7684\u5143\u7d20 \u8981\u67e5\u627e\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a 1. \u521d\u59cb\u5316\u4e8c\u7ef4\u6570\u7ec4 \u9996\u5148\uff0c\u4f60\u9700\u8981\u58f0\u660e\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] array = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} }; \u767b\u5f55\u540e\u590d\u5236 2. \u83b7\u53d6\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570 \u8981\u83b7\u5f97\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a int rows = array.length; int cols = array[0].length; \u767b\u5f55\u540e\u590d\u5236 3. \u904d\u5386\u6570\u7ec4 \u4f7f\u7528\u4e24\u4e2a\u5d4c\u5957\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\u3002\u5916\u5c42\u5faa\u73af\u7528\u4e8e\u904d\u5386\u884c\uff0c\u5185\u5c42\u5faa\u73af\u7528\u4e8e\u904d\u5386\u5217\u3002\u4f8b\u5982\uff1a for (int i = 0; i &lt; rows; i++) { for [&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-39801","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39801","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=39801"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39801\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}