{"id":66438,"date":"2025-05-03T09:40:20","date_gmt":"2025-05-03T01:40:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66438\/"},"modified":"2025-05-03T09:40:20","modified_gmt":"2025-05-03T01:40:20","slug":"java%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e4%b8%8b%e6%a0%87%e6%80%8e%e4%b9%88%e8%8e%b7%e5%8f%96-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66438\/","title":{"rendered":"java\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u600e\u4e48\u83b7\u53d6"},"content":{"rendered":"<blockquote><p>\n  \u8981\u83b7\u53d6 java \u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u7684\u4e0b\u6807\uff1a\u83b7\u53d6\u884c\u4e0b\u6807\uff0c\u904d\u5386\u6570\u7ec4\u7684\u884c\uff0c\u4f7f\u7528\u884c\u53f7\u3002\u83b7\u53d6\u5217\u4e0b\u6807\uff0c\u904d\u5386\u8be5\u884c\u7684\u5217\uff0c\u4f7f\u7528\u5217\u53f7\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111603454463313.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u600e\u4e48\u83b7\u53d6\u63d2\u56fe\" alt=\"java\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u600e\u4e48\u83b7\u53d6\u63d2\u56fe\" \/><\/p>\n<p><strong>\u83b7\u53d6 Java \u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u7531\u884c\u548c\u5217\u7ec4\u6210\u7684\u6570\u7ec4\u3002\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e24\u4e2a\u7d22\u5f15\uff1a\u4e00\u4e2a\u8868\u793a\u884c\u53f7\uff0c\u53e6\u4e00\u4e2a\u8868\u793a\u5217\u53f7\u3002\u8981\u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u7684\u4e0b\u6807\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p><strong>\u83b7\u53d6\u884c\u4e0b\u6807\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528 length \u5c5e\u6027\u83b7\u5f97\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n<li>\u904d\u5386\u6570\u7ec4\u7684\u884c\uff0c\u5e76\u4f7f\u7528\u884c\u53f7\u4f5c\u4e3a\u884c\u4e0b\u6807\u3002<\/li>\n<\/ul>\n<p><strong>\u83b7\u53d6\u5217\u4e0b\u6807\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u6bcf\u4e00\u884c\uff0c\u4f7f\u7528 length \u5c5e\u6027\u83b7\u5f97\u5217\u6570\u3002<\/li>\n<li>\u904d\u5386\u8be5\u884c\u7684\u5217\uff0c\u5e76\u4f7f\u7528\u5217\u53f7\u4f5c\u4e3a\u5217\u4e0b\u6807\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>int[][] arr = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}};\n\n\/\/ \u83b7\u53d6\u884c\u4e0b\u6807\nfor (int i = 0; i &lt; arr.length; i++) {\n    \/\/ \u83b7\u53d6\u5217\u4e0b\u6807\n    for (int j = 0; j &lt; arr[i].length; j++) {\n        System.out.println(\"\u884c\u4e0b\u6807\uff1a\" + i + \", \u5217\u4e0b\u6807\uff1a\" + j);\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>\u884c\u4e0b\u6807\uff1a0, \u5217\u4e0b\u6807\uff1a0\n\u884c\u4e0b\u6807\uff1a0, \u5217\u4e0b\u6807\uff1a1\n\u884c\u4e0b\u6807\uff1a0, \u5217\u4e0b\u6807\uff1a2\n\u884c\u4e0b\u6807\uff1a1, \u5217\u4e0b\u6807\uff1a0\n\u884c\u4e0b\u6807\uff1a1, \u5217\u4e0b\u6807\uff1a1\n\u884c\u4e0b\u6807\uff1a1, \u5217\u4e0b\u6807\uff1a2\n\u884c\u4e0b\u6807\uff1a2, \u5217\u4e0b\u6807\uff1a0\n\u884c\u4e0b\u6807\uff1a2, \u5217\u4e0b\u6807\uff1a1\n\u884c\u4e0b\u6807\uff1a2, \u5217\u4e0b\u6807\uff1a2<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807\u600e\u4e48\u83b7\u53d6\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>\u8981\u83b7\u53d6 java \u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u7684\u4e0b\u6807\uff1a\u83b7\u53d6\u884c\u4e0b\u6807\uff0c\u904d\u5386\u6570\u7ec4\u7684\u884c\uff0c\u4f7f\u7528\u884c\u53f7\u3002\u83b7\u53d6\u5217\u4e0b\u6807\uff0c\u904d\u5386\u8be5\u884c\u7684\u5217\uff0c\u4f7f\u7528\u5217\u53f7\u3002 \u83b7\u53d6 Java \u4e8c\u7ef4\u6570\u7ec4\u4e0b\u6807 \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u7531\u884c\u548c\u5217\u7ec4\u6210\u7684\u6570\u7ec4\u3002\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e24\u4e2a\u7d22\u5f15\uff1a\u4e00\u4e2a\u8868\u793a\u884c\u53f7\uff0c\u53e6\u4e00\u4e2a\u8868\u793a\u5217\u53f7\u3002\u8981\u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u5143\u7d20\u7684\u4e0b\u6807\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u83b7\u53d6\u884c\u4e0b\u6807\uff1a \u4f7f\u7528 length \u5c5e\u6027\u83b7\u5f97\u6570\u7ec4\u7684\u884c\u6570\u3002 \u904d\u5386\u6570\u7ec4\u7684\u884c\uff0c\u5e76\u4f7f\u7528\u884c\u53f7\u4f5c\u4e3a\u884c\u4e0b\u6807\u3002 \u83b7\u53d6\u5217\u4e0b\u6807\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5bf9\u4e8e\u6bcf\u4e00\u884c\uff0c\u4f7f\u7528 length \u5c5e\u6027\u83b7\u5f97\u5217\u6570\u3002 \u904d\u5386\u8be5\u884c\u7684\u5217\uff0c\u5e76\u4f7f\u7528\u5217\u53f7\u4f5c\u4e3a\u5217\u4e0b\u6807\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a int[][] arr = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; \/\/ \u83b7\u53d6\u884c\u4e0b\u6807 for (int i = 0; i &lt; arr.length; i++) { \/\/ \u83b7\u53d6\u5217\u4e0b\u6807 for (int j = 0; j &lt; arr[i].length; [&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-66438","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66438","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=66438"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66438\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66438"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66438"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66438"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}