{"id":66979,"date":"2025-05-03T10:43:27","date_gmt":"2025-05-03T02:43:27","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66979\/"},"modified":"2025-05-03T10:43:27","modified_gmt":"2025-05-03T02:43:27","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89%e4%b8%80%e4%b8%aa%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66979\/","title":{"rendered":"JAVA\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"<blockquote><p>\n  \u5728 java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\uff1a\u4f7f\u7528\u8bed\u6cd5 int[][] arrayname = new int[numrows][numcols]\uff0c\u5176\u4e2d numrows \u662f\u884c\u6570\uff0cnumcols \u662f\u5217\u6570\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u90fd\u4e3a 0\u3002\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e24\u4e2a\u7d22\u5f15\uff1a\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/17\/2024111721460533930.jpg\" class=\"aligncenter\" title=\"JAVA\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\" alt=\"JAVA\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5728 Java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n<p>\u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u77e9\u5f62\u7f51\u683c\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e24\u4e2a\u7d22\u5f15\uff0c\u4e00\u4e2a\u884c\u7d22\u5f15\u548c\u4e00\u4e2a\u5217\u7d22\u5f15\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre>int[][] arrayName = new int[numRows][numCols];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li>arrayName \u662f\u4e8c\u7ef4\u6570\u7ec4\u7684\u540d\u79f0\u3002<\/li>\n<li>numRows \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002<\/li>\n<li>numCols \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002<\/li>\n<\/ul>\n<p>\u6ce8\u610f\uff1a\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8fd9\u610f\u5473\u7740\u7b2c\u4e00\u4e2a\u884c\u7d22\u5f15\u4e3a 0\uff0c\u7b2c\u4e00\u4e2a\u5217\u7d22\u5f15\u4e5f\u4e3a 0\u3002<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6574\u6570\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] myArray = new int[3][4];<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u793a\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u7684\u793a\u4f8b\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u6253\u5370\u4e00\u4e2a 5 \u884c 5 \u5217\u7684\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/p>\n<pre>int[][] array = new int[5][5];\n\nfor (int i = 0; i &lt; array.length; i++) {\n    for (int j = 0; j &lt; array[i].length; j++) {\n        array[i][j] = i * 5 + j;\n    }\n}\n\nfor (int[] row : array) {\n    for (int element : row) {\n        System.out.print(element + \" \");\n    }\n    System.out.println();\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre>0 1 2 3 4 \n5 6 7 8 9 \n10 11 12 13 14 \n15 16 17 18 19 \n20 21 22 23 24 <\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJAVA\u4e2d\u600e\u4e48\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\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>\u5728 java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\uff1a\u4f7f\u7528\u8bed\u6cd5 int[][] arrayname = new int[numrows][numcols]\uff0c\u5176\u4e2d numrows \u662f\u884c\u6570\uff0cnumcols \u662f\u5217\u6570\u3002\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u56e0\u6b64\u7b2c\u4e00\u4e2a\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u90fd\u4e3a 0\u3002\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e24\u4e2a\u7d22\u5f15\uff1a\u884c\u7d22\u5f15\u548c\u5217\u7d22\u5f15\u3002 \u5728 Java \u4e2d\u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4 \u5728 Java \u4e2d\uff0c\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u4e2a\u77e9\u5f62\u7f51\u683c\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u6709\u4e24\u4e2a\u7d22\u5f15\uff0c\u4e00\u4e2a\u884c\u7d22\u5f15\u548c\u4e00\u4e2a\u5217\u7d22\u5f15\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a int[][] arrayName = new int[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff1a arrayName \u662f\u4e8c\u7ef4\u6570\u7ec4\u7684\u540d\u79f0\u3002 numRows \u662f\u6570\u7ec4\u7684\u884c\u6570\u3002 numCols \u662f\u6570\u7ec4\u7684\u5217\u6570\u3002 \u6ce8\u610f\uff1a\u6570\u7ec4\u7d22\u5f15\u4ece 0 \u5f00\u59cb\uff0c\u8fd9\u610f\u5473\u7740\u7b2c\u4e00\u4e2a\u884c\u7d22\u5f15\u4e3a 0\uff0c\u7b2c\u4e00\u4e2a\u5217\u7d22\u5f15\u4e5f\u4e3a 0\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u7801\u5b9a\u4e49\u4e86\u4e00\u4e2a 3 \u884c 4 \u5217\u7684\u4e8c\u7ef4\u6574\u6570\u6570\u7ec4\uff1a int[][] myArray = new int[3][4]; \u767b\u5f55\u540e\u590d\u5236 \u793a\u4f8b \u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u4f7f\u7528\u4e8c\u7ef4\u6570\u7ec4\u7684\u793a\u4f8b\u3002\u4e0b\u9762\u7684\u4ee3\u7801\u6253\u5370\u4e00\u4e2a 5 \u884c 5 [&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-66979","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66979","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=66979"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66979\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}