{"id":34627,"date":"2024-11-26T12:06:34","date_gmt":"2024-11-26T04:06:34","guid":{"rendered":"https:\/\/fwq.ai\/blog\/34627\/"},"modified":"2024-11-26T12:06:34","modified_gmt":"2024-11-26T04:06:34","slug":"java%e6%80%8e%e4%b9%88%e5%af%b9%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e8%b5%8b%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/34627\/","title":{"rendered":"java\u600e\u4e48\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c"},"content":{"rendered":"<blockquote><p>\n  java \u4e2d\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u884c\u5217\u8d4b\u503c\u548c\u5d4c\u5957\u5faa\u73af\u8d4b\u503c\u3002\u884c\u5217\u8d4b\u503c\u4e3a\u6bcf\u4e00\u884c\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u7684\u5bf9\u5e94\u884c\uff1b\u5d4c\u5957\u5faa\u73af\u8d4b\u503c\u5219\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u548c\u6bcf\u5217\uff0c\u6839\u636e\u884c\u53f7\u548c\u5217\u53f7\u8ba1\u7b97\u5143\u7d20\u503c\u5e76\u8d4b\u503c\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/02\/2024110218184719169.jpg\" class=\"aligncenter\" title=\"java\u600e\u4e48\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\u63d2\u56fe\" alt=\"java\u600e\u4e48\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5bf9 Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff1a<\/p>\n<p><strong>1. \u884c\u5217\u8d4b\u503c<\/strong><\/p>\n<pre>int[][] arr = new int[3][4];\narr[0] = new int[]{1, 2, 3, 4};\narr[1] = new int[]{5, 6, 7, 8};\narr[2] = new int[]{9, 10, 11, 12};<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>2. \u5d4c\u5957\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>int[][] arr = new int[3][4];\nfor (int i = 0; i &lt; arr.length; i++) {\n    for (int j = 0; j &lt; arr[i].length; j++) {\n        arr[i][j] = i * arr[i].length + j;\n    }\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8be6\u7ec6\u8bf4\u660e\uff1a<\/strong><\/p>\n<p><strong>\u884c\u5217\u8d4b\u503c<\/strong><\/p>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 arr\uff0c\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\u3002<\/li>\n<li>\u4e3a\u6bcf\u4e00\u884c\u521b\u5efa\u4e00\u4e2a\u4e00\u7ef4\u6570\u7ec4\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9 arr \u7684\u5bf9\u5e94\u884c\u3002<\/li>\n<\/ul>\n<p><strong>\u5d4c\u5957\u5faa\u73af\u8d4b\u503c<\/strong><\/p>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4 arr\uff0c\u6307\u5b9a\u884c\u6570\u548c\u5217\u6570\u3002<\/li>\n<li>\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u548c\u6bcf\u5217\u3002<\/li>\n<li>\u6839\u636e\u884c\u53f7\u548c\u5217\u53f7\u8ba1\u7b97\u6bcf\u4e2a\u5143\u7d20\u7684\u503c\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9 arr \u7684\u5bf9\u5e94\u5143\u7d20\u3002<\/li>\n<\/ul>\n<p><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>int[][] arr1 = new int[2][3];\nint[][] arr2 = new int[2][3];\n\n\/\/ \u884c\u5217\u8d4b\u503c\narr1[0][0] = 1;\narr1[0][1] = 2;\narr1[0][2] = 3;\narr1[1][0] = 4;\narr1[1][1] = 5;\narr1[1][2] = 6;\n\n\/\/ \u5d4c\u5957\u5faa\u73af\u8d4b\u503c\nfor (int i = 0; i &lt; arr2.length; i++) {\n    for (int j = 0; j &lt; arr2[i].length; j++) {\n        arr2[i][j] = i * arr2[i].length + j;\n    }\n}\n\n\/\/ \u6253\u5370\u6570\u7ec4\nfor (int[] row : arr1) {\n    for (int value : row) {\n        System.out.print(value + \" \");\n    }\n    System.out.println();\n}\n\nfor (int[] row : arr2) {\n    for (int value : row) {\n        System.out.print(value + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u8f93\u51fa\uff1a<\/strong><\/p>\n<pre>1 2 3\n4 5 6\n0 1 2\n3 4 5<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\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>java \u4e2d\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a\u884c\u5217\u8d4b\u503c\u548c\u5d4c\u5957\u5faa\u73af\u8d4b\u503c\u3002\u884c\u5217\u8d4b\u503c\u4e3a\u6bcf\u4e00\u884c\u521b\u5efa\u4e00\u7ef4\u6570\u7ec4\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u7684\u5bf9\u5e94\u884c\uff1b\u5d4c\u5957\u5faa\u73af\u8d4b\u503c\u5219\u904d\u5386\u6570\u7ec4\u7684\u6bcf\u4e00\u884c\u548c\u6bcf\u5217\uff0c\u6839\u636e\u884c\u53f7\u548c\u5217\u53f7\u8ba1\u7b97\u5143\u7d20\u503c\u5e76\u8d4b\u503c\u3002 \u5982\u4f55\u5bf9 Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u4e3b\u8981\u65b9\u6cd5\u5bf9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff1a 1. \u884c\u5217\u8d4b\u503c int[][] arr = new int[3][4]; arr[0] = new int[]{1, 2, 3, 4}; arr[1] = new int[]{5, 6, 7, 8}; arr[2] = new int[]{9, 10, 11, 12}; \u767b\u5f55\u540e\u590d\u5236 2. \u5d4c\u5957\u5faa\u73af\u8d4b\u503c \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b int[][] arr = new int[3][4]; for (int i = 0; i &lt; arr.length; i++) { [&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-34627","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34627","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=34627"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/34627\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=34627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=34627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=34627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}