{"id":39447,"date":"2024-11-26T08:50:44","date_gmt":"2024-11-26T00:50:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/39447\/"},"modified":"2024-11-26T08:50:44","modified_gmt":"2024-11-26T00:50:44","slug":"java%e4%ba%8c%e4%bd%8d%e7%bb%b4%e6%95%b0%e7%bb%84%e6%80%8e%e4%b9%88%e8%be%93%e5%85%a5","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/39447\/","title":{"rendered":"java\u4e8c\u4f4d\u7ef4\u6570\u7ec4\u600e\u4e48\u8f93\u5165"},"content":{"rendered":"<blockquote><p>\n  \u4e8c\u7ef4\u6570\u7ec4\u8f93\u5165\u65b9\u6cd5\u5305\u62ec\uff1a\u9010\u884c\u8f93\u5165\u4e00\u6b21\u6027\u8f93\u5165\u901a\u8fc7\u6587\u4ef6\u8bfb\u53d6\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/16\/2024111610491964920.jpg\" class=\"aligncenter\" title=\"java\u4e8c\u4f4d\u7ef4\u6570\u7ec4\u600e\u4e48\u8f93\u5165\u63d2\u56fe\" alt=\"java\u4e8c\u4f4d\u7ef4\u6570\u7ec4\u600e\u4e48\u8f93\u5165\u63d2\u56fe\" \/><\/p>\n<h2>Java \u4e8c\u7ef4\u6570\u7ec4\u8f93\u5165\u65b9\u6cd5<\/h2>\n<p>Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u5177\u6709\u591a\u4e2a\u7ef4\u5ea6\u7684\u503c\u3002\u8981\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<h3>1. \u9010\u884c\u8f93\u5165<\/h3>\n<pre>int rows, cols;\nScanner scanner = new Scanner(System.in);\n\n\/\/ \u8bfb\u53d6\u884c\u6570\u548c\u5217\u6570\nSystem.out.println(\"Enter the number of rows: \");\nrows = scanner.nextInt();\nSystem.out.println(\"Enter the number of columns: \");\ncols = scanner.nextInt();\n\n\/\/ \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\nint[][] arr = new int[rows][cols];\n\n\/\/ \u9010\u884c\u8f93\u5165\u6570\u7ec4\u5143\u7d20\nfor (int i = 0; i &lt; rows; i++) {\n    for (int j = 0; j &lt; cols; j++) {\n        System.out.println(\"Enter element at row \" + (i + 1) + \", column \" + (j + 1) + \": \");\n        arr[i][j] = scanner.nextInt();\n    }\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<h3>2. \u4e00\u6b21\u6027\u8f93\u5165<\/h3>\n<pre>int[][] arr = {\n    {1, 2, 3},\n    {4, 5, 6},\n    {7, 8, 9}\n};<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u8fd9\u79cd\u65b9\u6cd5\u4e2d\uff0c\u6570\u7ec4\u5143\u7d20\u5728\u4ee3\u7801\u4e2d\u76f4\u63a5\u521d\u59cb\u5316\u3002\u8fd9\u662f\u5728\u7f16\u8bd1\u65f6\u8f93\u5165\u6570\u7ec4\u5143\u7d20\u7684\u65b9\u6cd5\u3002<\/p>\n<h3>3. \u901a\u8fc7\u6587\u4ef6\u8bfb\u53d6<\/h3>\n<pre>Scanner scanner = new Scanner(new File(\"array.txt\"));\n\n\/\/ \u8bfb\u53d6\u884c\u6570\u548c\u5217\u6570\nint rows = scanner.nextInt();\nint cols = scanner.nextInt();\n\n\/\/ \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4\nint[][] arr = new int[rows][cols];\n\n\/\/ \u9010\u884c\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\nfor (int i = 0; i &lt; rows; i++) {\n    for (int j = 0; j &lt; cols; j++) {\n        arr[i][j] = scanner.nextInt();\n    }\n}<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4f7f\u7528\u4ee5\u4e0a\u4efb\u4f55\u4e00\u79cd\u65b9\u6cd5\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\u540e\uff0c\u60a8\u5c31\u53ef\u4ee5\u4f7f\u7528 arr[i][j] \u8bed\u6cd5\u8bbf\u95ee\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\uff0c\u5176\u4e2d i \u662f\u884c\u7d22\u5f15\uff0cj \u662f\u5217\u7d22\u5f15\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjava\u4e8c\u4f4d\u7ef4\u6570\u7ec4\u600e\u4e48\u8f93\u5165\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>\u4e8c\u7ef4\u6570\u7ec4\u8f93\u5165\u65b9\u6cd5\u5305\u62ec\uff1a\u9010\u884c\u8f93\u5165\u4e00\u6b21\u6027\u8f93\u5165\u901a\u8fc7\u6587\u4ef6\u8bfb\u53d6 Java \u4e8c\u7ef4\u6570\u7ec4\u8f93\u5165\u65b9\u6cd5 Java \u4e2d\u7684\u4e8c\u7ef4\u6570\u7ec4\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u53ef\u4ee5\u5b58\u50a8\u5177\u6709\u591a\u4e2a\u7ef4\u5ea6\u7684\u503c\u3002\u8981\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u9010\u884c\u8f93\u5165 int rows, cols; Scanner scanner = new Scanner(System.in); \/\/ \u8bfb\u53d6\u884c\u6570\u548c\u5217\u6570 System.out.println(&#8220;Enter the number of rows: &#8220;); rows = scanner.nextInt(); System.out.println(&#8220;Enter the number of columns: &#8220;); cols = scanner.nextInt(); \/\/ \u521b\u5efa\u4e8c\u7ef4\u6570\u7ec4 int[][] arr = new int[rows][cols]; \/\/ \u9010\u884c\u8f93\u5165\u6570\u7ec4\u5143\u7d20 for (int i = 0; i &lt; rows; i++) { for [&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-39447","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39447","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=39447"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/39447\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=39447"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=39447"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=39447"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}