{"id":40007,"date":"2024-11-26T14:25:32","date_gmt":"2024-11-26T06:25:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/40007\/"},"modified":"2024-11-26T14:25:32","modified_gmt":"2024-11-26T06:25:32","slug":"java%e6%80%8e%e4%b9%88%e8%be%93%e5%85%a5%e4%ba%8c%e7%bb%b4%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/40007\/","title":{"rendered":"java\u600e\u4e48\u8f93\u5165\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\u8f93\u5165\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a\u521b\u5efa scanner \u5bf9\u8c61\u3002\u83b7\u53d6\u884c\u6570\u548c\u5217\u6570\u3002\u521b\u5efa\u6570\u7ec4\u3002\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u8f93\u5165\u5143\u7d20\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u8f93\u5165\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u8f93\u5165\u4e8c\u7ef4<\/strong><\/p>\n

\u5982\u4f55\u8f93\u5165\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff1f<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Scanner<\/strong> \u7c7b\u901a\u8fc7\u63a7\u5236\u53f0\u8f93\u5165\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/p>\n

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

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

    \n
  1. \u521b\u5efa Scanner \u5bf9\u8c61\uff1a<\/strong> \u4f7f\u7528 Scanner scanner = new Scanner(System.in); \u521b\u5efa\u4e00\u4e2a Scanner \u5bf9\u8c61\u3002<\/li>\n
  2. \u83b7\u53d6\u884c\u6570\u548c\u5217\u6570\uff1a<\/strong> \u4f7f\u7528 int rows = scanner.nextInt(); \u548c int cols = scanner.nextInt(); \u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002<\/li>\n
  3. \u521b\u5efa\u6570\u7ec4\uff1a<\/strong> \u4f7f\u7528 String[][] array = new String[rows][cols]; \u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u3002<\/li>\n
  4. \u8f93\u5165\u5143\u7d20\uff1a<\/strong> \u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u5143\u7d20\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\uff0c\u5982 array[i][j] = scanner.nextLine();\u3002<\/li>\n<\/ol>\n

    \u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n

    import java.util.Scanner;\n\npublic class Input2DArray {\n\n    public static void main(String[] args) {\n        Scanner scanner = new Scanner(System.in);\n\n        \/\/ \u83b7\u53d6\u884c\u6570\u548c\u5217\u6570\n        int rows = scanner.nextInt();\n        int cols = scanner.nextInt();\n\n        \/\/ \u521b\u5efa\u6570\u7ec4\n        String[][] array = new String[rows][cols];\n\n        \/\/ \u8f93\u5165\u5143\u7d20\n        for (int i = 0; i < rows; i++) {\n            for (int j = 0; j < cols; j++) {\n                array[i][j] = scanner.nextLine();\n            }\n        }\n\n        \/\/ \u8f93\u51fa\u6570\u7ec4\n        for (String[] row : array) {\n            for (String element : row) {\n                System.out.print(element + \" \");\n            }\n            System.out.println();\n        }\n    }\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u8f93\u5165\u4e8c\u7ef4\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":"
    \u5728 java \u4e2d\u8f93\u5165\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff1a\u521b\u5efa scanner \u5bf9\u8c61\u3002\u83b7\u53d6\u884c\u6570\u548c\u5217\u6570\u3002\u521b\u5efa\u6570\u7ec4\u3002\u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u8f93\u5165\u5143\u7d20\u3002 \u5982\u4f55\u5728 Java \u4e2d\u8f93\u5165\u4e8c\u7ef4 \u5982\u4f55\u8f93\u5165\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\uff1f \u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 Scanner \u7c7b\u901a\u8fc7\u63a7\u5236\u53f0\u8f93\u5165\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u3002 \u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521b\u5efa Scanner \u5bf9\u8c61\uff1a \u4f7f\u7528 Scanner scanner = new Scanner(System.in); \u521b\u5efa\u4e00\u4e2a Scanner \u5bf9\u8c61\u3002 \u83b7\u53d6\u884c\u6570\u548c\u5217\u6570\uff1a \u4f7f\u7528 int rows = scanner.nextInt(); \u548c int cols = scanner.nextInt(); \u83b7\u53d6\u4e8c\u7ef4\u6570\u7ec4\u7684\u884c\u6570\u548c\u5217\u6570\u3002 \u521b\u5efa\u6570\u7ec4\uff1a \u4f7f\u7528 String[][] array = new String[rows][cols]; \u521b\u5efa\u4e00\u4e2a\u4e8c\u7ef4\u5b57\u7b26\u4e32\u6570\u7ec4\u3002 \u8f93\u5165\u5143\u7d20\uff1a \u4f7f\u7528\u5d4c\u5957\u5faa\u73af\u4ece\u63a7\u5236\u53f0\u8bfb\u53d6\u5143\u7d20\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\uff0c\u5982 array[i][j] = scanner.nextLine();\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a import […]<\/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-40007","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40007","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=40007"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/40007\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=40007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=40007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=40007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}