{"id":64573,"date":"2025-05-03T11:11:16","date_gmt":"2025-05-03T03:11:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/64573\/"},"modified":"2025-05-03T11:11:16","modified_gmt":"2025-05-03T03:11:16","slug":"java%e4%b8%ad%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e5%be%aa%e7%8e%af%e8%b5%8b%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/64573\/","title":{"rendered":"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5faa\u73af\u8d4b\u503c"},"content":{"rendered":"<blockquote><p>\n  java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u5faa\u73af\u8d4b\u503c\u662f\u901a\u8fc7\u5d4c\u5957\u5faa\u73af\u5b9e\u73b0\u7684\uff0c\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\u3002\u4f7f\u7528\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\u6570\u3002\u4f7f\u7528\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\u6570\u3002\u5728\u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u4e3a\u5176\u8d4b\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/04\/2024110402035080585.jpg\" class=\"aligncenter\" title=\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5faa\u73af\u8d4b\u503c\u63d2\u56fe\" alt=\"java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5faa\u73af\u8d4b\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>Java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n<p>\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6309\u7167\u884c\u548c\u5217\u8fdb\u884c\u7ec4\u7ec7\uff0c\u5171\u6709\u591a\u884c\u591a\u5217\u3002\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5d4c\u5957\u5faa\u73af\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u5faa\u73af\u8d4b\u503c\u3002<\/p>\n<p><strong>\u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/strong><\/p>\n<ol>\n<li> <strong>\u58f0\u660e\u6570\u7ec4\uff1a<\/strong>\u9996\u5148\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u5b83\u7684\u884c\u6570\u548c\u5217\u6570\u3002<\/li>\n<li> <strong>\u4f7f\u7528\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\uff1a<\/strong>\u4f7f\u7528\u4e00\u4e2a\u5916\u5c42for\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n<li> <strong>\u4f7f\u7528\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\uff1a<\/strong>\u4f7f\u7528\u4e00\u4e2a\u5185\u5c42for\u5faa\u73af\u904d\u5386\u5f53\u524d\u884c\u7684\u5217\u6570\u3002<\/li>\n<li> <strong>\u8d4b\u503c\uff1a<\/strong>\u5728\u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u4e3a\u5176\u8d4b\u503c\u3002<\/li>\n<\/ol>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] myArray = new int[3][4];\n\n\/\/ \u5faa\u73af\u8d4b\u503c\nfor (int i = 0; i &lt; myArray.length; i++) {\n    for (int j = 0; j &lt; myArray[i].length; j++) {\n        myArray[i][j] = i * j;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u4ee5\u4e0a\u4ee3\u7801\u8bf4\u660e\uff1a<\/strong><\/p>\n<ul>\n<li>\u9996\u5148\u58f0\u660e\u4e00\u4e2a3\u884c4\u5217\u7684\u4e8c\u7ef4\u6570\u7ec4myArray\u3002<\/li>\n<li>\u5916\u5c42\u5faa\u73afi\u904d\u5386\u6570\u7ec4\u7684\u884c\u6570\uff08\u957f\u5ea6\u4e3a3\uff09\u3002<\/li>\n<li>\u5185\u5c42\u5faa\u73afj\u904d\u5386\u5f53\u524d\u884c\u7684\u5217\u6570\uff08\u957f\u5ea6\u4e3a4\uff09\u3002<\/li>\n<li>\u5728\u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528myArray[i][j]\u6765\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u7684\u5f15\u7528\uff0c\u5e76\u4e3a\u5176\u8d4b\u503ci * j\u3002<\/li>\n<\/ul>\n<p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n<ul>\n<li>\u5916\u5c42\u5faa\u73af\u7684\u7d22\u5f15\u4ee3\u8868\u884c\u53f7\uff0c\u5185\u5c42\u5faa\u73af\u7684\u7d22\u5f15\u4ee3\u8868\u5217\u53f7\u3002<\/li>\n<li>\u6570\u7ec4\u7684\u7d22\u5f15\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u56e0\u6b64\u8981\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u5916\u5c42\u5faa\u73af\u7684\u7d22\u5f15\u5e94\u5c0f\u4e8e\u6570\u7ec4\u7684\u884c\u6570\uff0c\u5185\u5c42\u5faa\u73af\u7684\u7d22\u5f15\u5e94\u5c0f\u4e8e\u6570\u7ec4\u7684\u5217\u6570\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u600e\u4e48\u5faa\u73af\u8d4b\u503c\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>java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u5faa\u73af\u8d4b\u503c\u662f\u901a\u8fc7\u5d4c\u5957\u5faa\u73af\u5b9e\u73b0\u7684\uff0c\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\uff0c\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\u3002\u4f7f\u7528\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\u6570\u3002\u4f7f\u7528\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\u6570\u3002\u5728\u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u4e3a\u5176\u8d4b\u503c\u3002 Java\u4e2d\u4e8c\u7ef4\u6570\u7ec4\u7684\u5faa\u73af\u8d4b\u503c \u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u6309\u7167\u884c\u548c\u5217\u8fdb\u884c\u7ec4\u7ec7\uff0c\u5171\u6709\u591a\u884c\u591a\u5217\u3002\u5728Java\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5d4c\u5957\u5faa\u73af\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u5faa\u73af\u8d4b\u503c\u3002 \u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4\uff1a \u58f0\u660e\u6570\u7ec4\uff1a\u9996\u5148\u58f0\u660e\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u5e76\u6307\u5b9a\u5b83\u7684\u884c\u6570\u548c\u5217\u6570\u3002 \u4f7f\u7528\u5916\u5c42\u5faa\u73af\u904d\u5386\u884c\uff1a\u4f7f\u7528\u4e00\u4e2a\u5916\u5c42for\u5faa\u73af\u904d\u5386\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u6570\u3002 \u4f7f\u7528\u5185\u5c42\u5faa\u73af\u904d\u5386\u5217\uff1a\u4f7f\u7528\u4e00\u4e2a\u5185\u5c42for\u5faa\u73af\u904d\u5386\u5f53\u524d\u884c\u7684\u5217\u6570\u3002 \u8d4b\u503c\uff1a\u5728\u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528\u6570\u7ec4\u5143\u7d20\u7684\u7d22\u5f15\u4e3a\u5176\u8d4b\u503c\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] myArray = new int[3][4]; \/\/ \u5faa\u73af\u8d4b\u503c for (int i = 0; i &lt; myArray.length; i++) { for (int j = 0; j &lt; myArray[i].length; j++) { myArray[i][j] = i * j; } } \u767b\u5f55\u540e\u590d\u5236 \u4ee5\u4e0a\u4ee3\u7801\u8bf4\u660e\uff1a \u9996\u5148\u58f0\u660e\u4e00\u4e2a3\u884c4\u5217\u7684\u4e8c\u7ef4\u6570\u7ec4myArray\u3002 \u5916\u5c42\u5faa\u73afi\u904d\u5386\u6570\u7ec4\u7684\u884c\u6570\uff08\u957f\u5ea6\u4e3a3\uff09\u3002 \u5185\u5c42\u5faa\u73afj\u904d\u5386\u5f53\u524d\u884c\u7684\u5217\u6570\uff08\u957f\u5ea6\u4e3a4\uff09\u3002 \u5728\u5185\u5c42\u5faa\u73af\u4e2d\uff0c\u4f7f\u7528myArray[i][j]\u6765\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u7684\u5f15\u7528\uff0c\u5e76\u4e3a\u5176\u8d4b\u503ci * j\u3002 \u6ce8\u610f\uff1a \u5916\u5c42\u5faa\u73af\u7684\u7d22\u5f15\u4ee3\u8868\u884c\u53f7\uff0c\u5185\u5c42\u5faa\u73af\u7684\u7d22\u5f15\u4ee3\u8868\u5217\u53f7\u3002 \u6570\u7ec4\u7684\u7d22\u5f15\u662f\u4ece0\u5f00\u59cb\u7684\uff0c\u56e0\u6b64\u8981\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u5916\u5c42\u5faa\u73af\u7684\u7d22\u5f15\u5e94\u5c0f\u4e8e\u6570\u7ec4\u7684\u884c\u6570\uff0c\u5185\u5c42\u5faa\u73af\u7684\u7d22\u5f15\u5e94\u5c0f\u4e8e\u6570\u7ec4\u7684\u5217\u6570\u3002 [&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-64573","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64573","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=64573"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/64573\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=64573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=64573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=64573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}