{"id":37271,"date":"2024-11-26T14:38:32","date_gmt":"2024-11-26T06:38:32","guid":{"rendered":"https:\/\/fwq.ai\/blog\/37271\/"},"modified":"2024-11-26T14:38:32","modified_gmt":"2024-11-26T06:38:32","slug":"java%e6%80%8e%e4%b9%88%e4%b8%8d%e5%81%9c%e6%ad%a2%e8%be%93%e5%85%a5%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/37271\/","title":{"rendered":"java\u600e\u4e48\u4e0d\u505c\u6b62\u8f93\u5165\u6570\u7ec4"},"content":{"rendered":"

\n \u4f7f\u7528 system.in.read() \u5faa\u73af\u8f93\u5165\uff0c\u76f4\u5230\u8f93\u5165\u4e3a -1\uff08eof\uff09\u4ee5\u963b\u6b62 java \u505c\u6b62\u8bfb\u53d6\u6570\u7ec4\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u4f7f\u7528 system.in.read() \u9010\u4e2a\u5b57\u8282\u8bfb\u53d6\u8f93\u5165\u3002\u5c06\u5b57\u8282\u8f6c\u6362\u4e3a char \u4ee5\u83b7\u5f97\u8f93\u5165\u5b57\u7b26\u3002\u5c06\u5b57\u7b26\u5b58\u50a8\u5728\u5b57\u7b26\u6570\u7ec4\u4e2d\u3002\u68c0\u67e5\u8fd4\u56de\u7684\u503c\u662f\u5426\u4e3a -1\uff0c\u8868\u793a\u5df2\u8fbe\u5230\u6587\u4ef6\u672b\u5c3e\uff08eof\uff09\uff0c\u4ece\u800c\u505c\u6b62\u8bfb\u53d6\u3002\n<\/p><\/blockquote>\n

\"java\u600e\u4e48\u4e0d\u505c\u6b62\u8f93\u5165\u6570\u7ec4\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u963b\u6b62 Java \u505c\u6b62\u8f93\u5165\u6570\u7ec4<\/strong><\/p>\n

\u76f4\u63a5\u7b54\u6848\uff1a<\/strong>\u4f7f\u7528 System.in.read() \u5faa\u73af\u8f93\u5165\uff0c\u76f4\u5230\u8f93\u5165\u4e3a -1\uff08EOF\uff09\u3002<\/p>\n

\u8be6\u7ec6\u8bf4\u660e\uff1a<\/strong><\/p>\n

\u5728 Java \u4e2d\uff0c\u4f7f\u7528 Scanner \u7c7b\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u6570\u7ec4\u65f6\uff0c\u9047\u5230\u7a7a\u884c\u6216\u7279\u5b9a\u5206\u9694\u7b26\u65f6\uff0c\u8f93\u5165\u4f1a\u81ea\u52a8\u505c\u6b62\u3002\u4e3a\u4e86\u9632\u6b62\u81ea\u52a8\u505c\u6b62\u8f93\u5165\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

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

    \n
  1. \n

    \u4f7f\u7528 System.in.read() \u5faa\u73af\u8bfb\u53d6\uff1a<\/strong><\/p>\n

      \n
    • System.in.read() \u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u4e00\u4e2a\u5b57\u8282\uff0c\u5e76\u8fd4\u56de\u8be5\u5b57\u8282\u7684\u6574\u6570\u503c\u3002<\/li>\n
    • \u60a8\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\uff0c\u9010\u4e2a\u5b57\u8282\u8bfb\u53d6\u8f93\u5165\uff0c\u76f4\u5230\u8f93\u5165\u4e3a -1\uff08EOF\uff0cEnd-Of-File\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n

      \u5c06\u5b57\u8282\u8f6c\u6362\u4e3a char\uff1a<\/strong><\/p>\n

        \n
      • System.in.read() \u8fd4\u56de\u7684\u662f\u5b57\u8282\uff0c\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a char \u4ee5\u83b7\u5f97\u8f93\u5165\u5b57\u7b26\u3002<\/li>\n
      • \u4f7f\u7528 (char) System.in.read() \u5c06\u5b57\u8282\u8f6c\u6362\u4e3a\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n

        \u5c06\u5b57\u7b26\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\uff1a<\/strong><\/p>\n

          \n
        • \u9010\u4e2a\u5b57\u7b26\u8bfb\u53d6\u8f93\u5165\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5b57\u7b26\u6570\u7ec4\u4e2d\u3002<\/li>\n
        • \u4f7f\u7528\u5faa\u73af\u6216\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u5b57\u7b26\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n

          \u68c0\u6d4b EOF\uff1a<\/strong><\/p>\n

            \n
          • \u5f53 System.in.read() \u8fd4\u56de -1 \u65f6\uff0c\u8868\u793a\u5df2\u5230\u8fbe\u6587\u4ef6\u672b\u5c3e\uff08EOF\uff09\u3002<\/li>\n
          • \u5728\u5faa\u73af\u4e2d\uff0c\u68c0\u67e5\u8fd4\u56de\u7684\u503c\u662f\u5426\u4e3a -1\uff0c\u5982\u679c\u4e3a -1\uff0c\u5219\u505c\u6b62\u8bfb\u53d6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

            \u4ee5\u4e0b\u662f\u4f7f\u7528 System.in.read() \u8bfb\u53d6\u6570\u7ec4\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

            import java.io.IOException;\n\npublic class ArrayInput {\n\n    public static void main(String[] args) throws IOException {\n        \/\/ \u521b\u5efa\u5b57\u7b26\u6570\u7ec4\n        char[] inputArray = new char[100];\n\n        \/\/ \u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u5b57\u7b26\n        int index = 0;\n        int inputChar;\n        while ((inputChar = System.in.read()) != -1) {\n            \/\/ \u5c06\u5b57\u8282\u8f6c\u6362\u4e3a char\n            char ch = (char) inputChar;\n\n            \/\/ \u5b58\u50a8\u5b57\u7b26\n            inputArray[index++] = ch;\n        }\n\n        \/\/ \u6253\u5370\u8f93\u5165\u6570\u7ec4\n        System.out.println(inputArray);\n    }\n}<\/pre>\n
             \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
            \u4ee5\u4e0a\u5c31\u662fjava\u600e\u4e48\u4e0d\u505c\u6b62\u8f93\u5165\u6570\u7ec4\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":"
            \u4f7f\u7528 system.in.read() \u5faa\u73af\u8f93\u5165\uff0c\u76f4\u5230\u8f93\u5165\u4e3a -1\uff08eof\uff09\u4ee5\u963b\u6b62 java \u505c\u6b62\u8bfb\u53d6\u6570\u7ec4\u3002\u5177\u4f53\u6b65\u9aa4\u5305\u62ec\uff1a\u4f7f\u7528 system.in.read() \u9010\u4e2a\u5b57\u8282\u8bfb\u53d6\u8f93\u5165\u3002\u5c06\u5b57\u8282\u8f6c\u6362\u4e3a char \u4ee5\u83b7\u5f97\u8f93\u5165\u5b57\u7b26\u3002\u5c06\u5b57\u7b26\u5b58\u50a8\u5728\u5b57\u7b26\u6570\u7ec4\u4e2d\u3002\u68c0\u67e5\u8fd4\u56de\u7684\u503c\u662f\u5426\u4e3a -1\uff0c\u8868\u793a\u5df2\u8fbe\u5230\u6587\u4ef6\u672b\u5c3e\uff08eof\uff09\uff0c\u4ece\u800c\u505c\u6b62\u8bfb\u53d6\u3002 \u5982\u4f55\u963b\u6b62 Java \u505c\u6b62\u8f93\u5165\u6570\u7ec4 \u76f4\u63a5\u7b54\u6848\uff1a\u4f7f\u7528 System.in.read() \u5faa\u73af\u8f93\u5165\uff0c\u76f4\u5230\u8f93\u5165\u4e3a -1\uff08EOF\uff09\u3002 \u8be6\u7ec6\u8bf4\u660e\uff1a \u5728 Java \u4e2d\uff0c\u4f7f\u7528 Scanner \u7c7b\u8bfb\u53d6\u7528\u6237\u8f93\u5165\u6570\u7ec4\u65f6\uff0c\u9047\u5230\u7a7a\u884c\u6216\u7279\u5b9a\u5206\u9694\u7b26\u65f6\uff0c\u8f93\u5165\u4f1a\u81ea\u52a8\u505c\u6b62\u3002\u4e3a\u4e86\u9632\u6b62\u81ea\u52a8\u505c\u6b62\u8f93\u5165\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u4f7f\u7528 System.in.read() \u5faa\u73af\u8bfb\u53d6\uff1a System.in.read() \u4ece\u6807\u51c6\u8f93\u5165\u8bfb\u53d6\u4e00\u4e2a\u5b57\u8282\uff0c\u5e76\u8fd4\u56de\u8be5\u5b57\u8282\u7684\u6574\u6570\u503c\u3002 \u60a8\u53ef\u4ee5\u4f7f\u7528\u5faa\u73af\uff0c\u9010\u4e2a\u5b57\u8282\u8bfb\u53d6\u8f93\u5165\uff0c\u76f4\u5230\u8f93\u5165\u4e3a -1\uff08EOF\uff0cEnd-Of-File\uff09\u3002 \u5c06\u5b57\u8282\u8f6c\u6362\u4e3a char\uff1a System.in.read() \u8fd4\u56de\u7684\u662f\u5b57\u8282\uff0c\u9700\u8981\u5c06\u5176\u8f6c\u6362\u4e3a char \u4ee5\u83b7\u5f97\u8f93\u5165\u5b57\u7b26\u3002 \u4f7f\u7528 (char) System.in.read() \u5c06\u5b57\u8282\u8f6c\u6362\u4e3a\u5b57\u7b26\u3002 \u5c06\u5b57\u7b26\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\uff1a \u9010\u4e2a\u5b57\u7b26\u8bfb\u53d6\u8f93\u5165\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728\u5b57\u7b26\u6570\u7ec4\u4e2d\u3002 \u4f7f\u7528\u5faa\u73af\u6216\u5176\u4ed6\u6570\u636e\u7ed3\u6784\u6765\u5b58\u50a8\u5b57\u7b26\u3002 \u68c0\u6d4b EOF\uff1a \u5f53 System.in.read() \u8fd4\u56de -1 \u65f6\uff0c\u8868\u793a\u5df2\u5230\u8fbe\u6587\u4ef6\u672b\u5c3e\uff08EOF\uff09\u3002 \u5728\u5faa\u73af\u4e2d\uff0c\u68c0\u67e5\u8fd4\u56de\u7684\u503c\u662f\u5426\u4e3a -1\uff0c\u5982\u679c\u4e3a -1\uff0c\u5219\u505c\u6b62\u8bfb\u53d6\u3002 […]<\/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-37271","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37271","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=37271"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/37271\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=37271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=37271"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=37271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}