{"id":65942,"date":"2025-05-03T14:17:09","date_gmt":"2025-05-03T06:17:09","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65942\/"},"modified":"2025-05-03T14:17:09","modified_gmt":"2025-05-03T06:17:09","slug":"java%e4%b8%ad%e6%80%8e%e4%b9%88%e8%be%93%e5%85%a52%e7%bb%b4%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65942\/","title":{"rendered":"java\u4e2d\u600e\u4e48\u8f93\u51652\u7ef4\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u4f7f\u7528\u8bed\u6cd5\uff1aint[][] arr = new intn\u3002\u4f7f\u7528 for \u5faa\u73af\u9010\u884c\u8f93\u5165\u6570\u7ec4\u5143\u7d20\u3002\u5728\u6bcf\u4e00\u884c\u5185\uff0c\u518d\u4f7f\u7528 for \u5faa\u73af\u9010\u5217\u8f93\u5165\u5143\u7d20\u3002\u4f7f\u7528 scanner \u7c7b\u4ece\u6807\u51c6\u8f93\u5165\u83b7\u53d6\u503c\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u4e2d\u600e\u4e48\u8f93\u51652\u7ef4\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

Java \u4e2d\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4<\/strong><\/p>\n

\u5982\u4f55\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\uff1f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u5d4c\u5faa\u73af\u9010\u4e2a\u5143\u7d20\u5730\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\u3002<\/p>\n

\u6b65\u9aa4\uff1a<\/strong><\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    \n
  1. \u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\u4e00\u4e2a n x m \u7684\u4e8c\u7ef4\u6570\u7ec4\uff1a<\/li>\n<\/ol>\n
    int[][] arr = new int[n][m];<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \n
    1.  \u4f7f\u7528 for \u5faa\u73af\u8f93\u5165\u6bcf\u4e00\u884c\uff1a<\/strong>\u5bf9\u4e8e\u6bcf\u4e00\u884c\uff0c\u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\u6765\u8f93\u5165\u6bcf\u4e00\u5217\u3002<\/li>\n<\/ol>\n
      for (int i = 0; i < n; i++) {\n    for (int j = 0; j < m; j++) {\n        \/\/ \u4f7f\u7528 Scanner \u7c7b\u4ece\u6807\u51c6\u8f93\u5165\u83b7\u53d6\u503c\n        arr[i][j] = scanner.nextInt();\n    }\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u793a\u4f8b\uff1a<\/strong><\/p>\n
      import java.util.Scanner;\n\npublic class Input2DArray {\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n\n        \/\/ \u8f93\u5165 n \u548c m\n        int n = scanner.nextInt();\n        int m = scanner.nextInt();\n\n        \/\/ \u5b9a\u4e49\u6570\u7ec4\n        int[][] arr = new int[n][m];\n\n        \/\/ \u8f93\u5165\u5143\u7d20\n        for (int i = 0; i < n; i++) {\n            for (int j = 0; j < m; j++) {\n                arr[i][j] = scanner.nextInt();\n            }\n        }\n\n        \/\/ \u4f7f\u7528\u6570\u7ec4\n        \/\/ ...\n    }\n}<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava\u4e2d\u600e\u4e48\u8f93\u51652\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":"
      \u5728 java \u4e2d\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u5b9e\u73b0\uff1a\u5b9a\u4e49\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u4f7f\u7528\u8bed\u6cd5\uff1aint[][] arr = new intn\u3002\u4f7f\u7528 for \u5faa\u73af\u9010\u884c\u8f93\u5165\u6570\u7ec4\u5143\u7d20\u3002\u5728\u6bcf\u4e00\u884c\u5185\uff0c\u518d\u4f7f\u7528 for \u5faa\u73af\u9010\u5217\u8f93\u5165\u5143\u7d20\u3002\u4f7f\u7528 scanner \u7c7b\u4ece\u6807\u51c6\u8f93\u5165\u83b7\u53d6\u503c\uff0c\u5e76\u5c06\u5176\u8d4b\u503c\u7ed9\u6570\u7ec4\u5143\u7d20\u3002 Java \u4e2d\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4 \u5982\u4f55\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u5d4c\u5faa\u73af\u9010\u4e2a\u5143\u7d20\u5730\u8f93\u5165\u4e8c\u7ef4\u6570\u7ec4\u3002 \u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u5b9a\u4e49\u4e8c\u7ef4\u6570\u7ec4\uff1a\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u5b9a\u4e49\u4e00\u4e2a n x m \u7684\u4e8c\u7ef4\u6570\u7ec4\uff1a int[][] arr = new int[n][m]; \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 for \u5faa\u73af\u8f93\u5165\u6bcf\u4e00\u884c\uff1a\u5bf9\u4e8e\u6bcf\u4e00\u884c\uff0c\u4f7f\u7528\u4e00\u4e2a for \u5faa\u73af\u6765\u8f93\u5165\u6bcf\u4e00\u5217\u3002 for (int i = 0; i < n; i++) { for (int j = 0; j < m; […]<\/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-65942","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65942","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=65942"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65942\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}