{"id":66904,"date":"2025-05-03T09:38:41","date_gmt":"2025-05-03T01:38:41","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66904\/"},"modified":"2025-05-03T09:38:41","modified_gmt":"2025-05-03T01:38:41","slug":"%e5%9c%a8java%e4%b8%ad%e6%80%8e%e4%b9%88%e7%bb%99%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84%e8%b5%8b%e5%80%bc-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66904\/","title":{"rendered":"\u5728java\u4e2d\u600e\u4e48\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u58f0\u660e\u6570\u7ec4\uff1aint[][] myarray = new int[numrows][numcols];\u904d\u5386\u6570\u7ec4\uff0c\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u7ed9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1afor (int i = 0; i <\/p>\n

\"\u5728java\u4e2d\u600e\u4e48\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c<\/strong><\/p>\n

\u4e8c\u7ef4\u6570\u7ec4\u662f\u5177\u6709\u884c\u548c\u5217\u7ef4\u5ea6\u7684\u591a\u7ef4\u6570\u7ec4\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff1a<\/p>\n

1. \u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/strong><\/p>\n

int[][] myArray = new int[numRows][numCols];<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0cnumRows \u548c numCols \u5206\u522b\u662f\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002<\/p>\n
\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n
2. \u904d\u5386\u6570\u7ec4\u5e76\u7ed9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1a<\/strong>
\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u884c\u548c\u5217\uff0c\u7ed9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1a<\/p>\n
for (int i = 0; i < numRows; i++) {\n    for (int j = 0; j < numCols; j++) {\n        myArray[i][j] = value;\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5176\u4e2d\uff0cvalue \u662f\u8981\u7ed9\u5143\u7d20\u8d4b\u503c\u7684\u503c\u3002<\/p>\n
3. \u76f4\u63a5\u8d4b\u503c\uff1a<\/strong>
\u4e5f\u53ef\u4ee5\u76f4\u63a5\u8d4b\u503c\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff1a<\/p>\n
myArray[0][0] = 1;\nmyArray[0][1] = 2;\n\/\/ \u4ee5\u6b64\u7c7b\u63a8<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u793a\u4f8b\uff1a<\/strong><\/p>\n
int[][] myArray = new int[2][3];\n\nfor (int i = 0; i < myArray.length; i++) {\n    for (int j = 0; j < myArray[i].length; j++) {\n        myArray[i][j] = i * j;\n    }\n}\n\n\/\/ \u8f93\u51fa\u6570\u7ec4\nfor (int[] row : myArray) {\n    for (int element : row) {\n        System.out.print(element + \" \");\n    }\n    System.out.println();\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u8f93\u51fa\uff1a<\/p>\n
0 0 0 \n0 1 2 <\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236\n<\/p><\/blockquote>\n
\u4ee5\u4e0a\u5c31\u662f\u5728java\u4e2d\u600e\u4e48\u7ed9\u4e8c\u7ef4\u6570\u7ec4\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":"
\u5728 java \u4e2d\uff0c\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\u7684\u6b65\u9aa4\u5305\u62ec\uff1a\u58f0\u660e\u6570\u7ec4\uff1aint[][] myarray = new int[numrows][numcols];\u904d\u5386\u6570\u7ec4\uff0c\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u7ed9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1afor (int i = 0; i \u5982\u4f55\u5728 Java \u4e2d\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c \u4e8c\u7ef4\u6570\u7ec4\u662f\u5177\u6709\u884c\u548c\u5217\u7ef4\u5ea6\u7684\u591a\u7ef4\u6570\u7ec4\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u7ed9\u4e8c\u7ef4\u6570\u7ec4\u8d4b\u503c\uff1a 1. \u58f0\u660e\u4e8c\u7ef4\u6570\u7ec4\uff1a int[][] myArray = new int[numRows][numCols]; \u767b\u5f55\u540e\u590d\u5236 \u5176\u4e2d\uff0cnumRows \u548c numCols \u5206\u522b\u662f\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002 \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b 2. \u904d\u5386\u6570\u7ec4\u5e76\u7ed9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1a\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u904d\u5386\u884c\u548c\u5217\uff0c\u7ed9\u6bcf\u4e2a\u5143\u7d20\u8d4b\u503c\uff1a for (int i = 0; i < numRows; i++) { for (int j = 0; j < numCols; j++) { myArray[i][j] = […]<\/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-66904","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66904","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=66904"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66904\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}