{"id":31399,"date":"2023-04-15T21:35:16","date_gmt":"2023-07-30T17:55:37","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%bf%ae%e9%a5%b0%e7%ac%a6%e6%a6%82%e8%bf%b0\/"},"modified":"2025-08-12T23:50:39","modified_gmt":"2025-08-12T15:50:39","slug":"java%e4%bf%ae%e9%a5%b0%e7%ac%a6%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e4%bf%ae%e9%a5%b0%e7%ac%a6%e6%a6%82%e8%bf%b0\/","title":{"rendered":"Java\u4fee\u9970\u7b26\u6982\u8ff0"},"content":{"rendered":"

\u9996\u5148<\/h2>\n

Java\u7684\u4fee\u9970\u7b26(modifiers)\u88ab\u7528\u4e8e\u4fee\u6539\u7c7b\u3001\u65b9\u6cd5\u6216\u53d8\u91cf\u7684\u884c\u4e3a\u3002\u7406\u89e3\u4fee\u9970\u7b26\u5c06\u6709\u52a9\u4e8e\u9605\u8bfb\u548c\u7f16\u5199Java\u4ee3\u7801\u3002\u672c\u6b21\u5c06\u89e3\u91caJava\u7684\u4e3b\u8981\u4fee\u9970\u7b26\u53ca\u5176\u4f7f\u7528\u793a\u4f8b\u3002<\/p>\n

\u8bbf\u95ee\u4fee\u9970\u7b26<\/h2>\n

\u5728Java\u4e2d\uff0c\u6709\u56db\u79cd\u8bbf\u95ee\u4fee\u9970\u7b26\u3002<\/p>\n

    \n
  1. \n
      public: \u4efb\u4f55\u7c7b\u90fd\u53ef\u4ee5\u8bbf\u95ee\u3002<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        \n
      1. \n
          private: \u53ea\u6709\u540c\u4e00\u7c7b\u5185\u53ef\u4ee5\u8bbf\u95ee\u3002<\/ol>\n<\/li>\n<\/ol>\n

           <\/p>\n

            \n
          1. \n
              protected: \u53ea\u6709\u540c\u4e00\u5305\u6216\u5b50\u7c7b\u53ef\u4ee5\u8bbf\u95ee\u3002<\/ol>\n<\/li>\n<\/ol>\n

               <\/p>\n

                \u9ed8\u8ba4\uff08\u672a\u6307\u5b9a\uff09\uff1a\u53ea\u6709\u540c\u4e00\u5305\u5185\u53ef\u4ee5\u8bbf\u95ee\u3002<\/ol>\n
                public<\/span> class<\/span> MyClass<\/span> {<\/span>\r\n    public<\/span> int<\/span> publicVar<\/span> =<\/span> 1<\/span>;<\/span>\r\n    private<\/span> int<\/span> privateVar<\/span> =<\/span> 2<\/span>;<\/span>\r\n    protected<\/span> int<\/span> protectedVar<\/span> =<\/span> 3<\/span>;<\/span>\r\n    int<\/span> defaultVar<\/span> =<\/span> 4<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u975e\u8bbf\u95ee\u4fee\u9970\u7b26<\/h2>\n
                \u7c7b\u4fee\u9970\u7b26<\/h3>\n
                  \n
                1. \n
                    \u6700\u7ec8\uff1a\u65e0\u6cd5\u521b\u5efa\u5b50\u7c7b\u3002<\/ol>\n<\/li>\n<\/ol>\n
                    \u62bd\u8c61\uff1a\u65e0\u6cd5\u5b9e\u4f8b\u5316\uff0c\u5fc5\u987b\u5177\u6709\u4e00\u4e2a\u6216\u591a\u4e2a\u62bd\u8c61\u65b9\u6cd5\u3002<\/p>\n
                    strictfp\uff1a\u4fdd\u8bc1\u8be5\u7c7b\u4e2d\u7684\u6240\u6709\u65b9\u6cd5\u548c\u5185\u90e8\u7c7b\u7684\u6d6e\u70b9\u7cbe\u5ea6\u662f\u786e\u5b9a\u7684\u3002<\/p>\n
                    public<\/span> final<\/span> class<\/span> MyFinalClass<\/span> {<\/span> }<\/span>\r\npublic<\/span> abstract<\/span> class<\/span> MyAbstractClass<\/span> {<\/span>\r\n    public<\/span> abstract<\/span> void<\/span> myMethod<\/span>();<\/span>\r\n}<\/span>\r\npublic<\/span> strictfp<\/span> class<\/span> MyStrictfpClass<\/span> {<\/span> }<\/span>\r\n<\/code><\/pre>\n
                    \u65b9\u6cd5\u4fee\u9970\u7b26 (Method Modifier)<\/h3>\n
                      \n
                    1. \n
                        final: \u7981\u6b62\u65b9\u6cd5\u91cd\u8f7d\u65b9\u6cd5\u3002<\/ol>\n<\/li>\n<\/ol>\n
                         <\/p>\n
                          \n
                        1. \n
                            static: \u7c7b\u65b9\u6cd5\u800c\u4e0d\u662f\u5b9e\u4f8b\u65b9\u6cd5\u3002<\/ol>\n<\/li>\n<\/ol>\n
                             <\/p>\n
                              \n
                            1. \n
                                abstract: \u65b9\u6cd5\u6ca1\u6709\u4e3b\u4f53\uff0c\u9700\u8981\u5728\u5b50\u7c7b\u4e2d\u91cd\u5199\u3002<\/ol>\n<\/li>\n<\/ol>\n
                                 <\/p>\n
                                  \n
                                1. \n
                                    synchronized: \u4fdd\u8bc1\u591a\u4e2a\u7ebf\u7a0b\u4e0d\u80fd\u540c\u65f6\u8bbf\u95ee\u3002<\/ol>\n<\/li>\n<\/ol>\n
                                     <\/p>\n
                                      \n
                                    1. \n
                                        native: \u4f7f\u7528\u975eJava\u8bed\u8a00\u7f16\u5199\u7684\u4ee3\u7801\u3002<\/ol>\n<\/li>\n<\/ol>\n
                                         <\/p>\n
                                          strictfp: \u4fdd\u8bc1\u65b9\u6cd5\u4e2d\u6d6e\u70b9\u7cbe\u5ea6\u56fa\u5b9a\u3002<\/ol>\n
                                          public<\/span> class<\/span> MyClass<\/span> {<\/span>\r\n    public<\/span> final<\/span> void<\/span> finalMethod<\/span>()<\/span> {<\/span> }<\/span>\r\n    public<\/span> static<\/span> void<\/span> staticMethod<\/span>()<\/span> {<\/span> }<\/span>\r\n    public<\/span> abstract<\/span> void<\/span> abstractMethod<\/span>();<\/span>\r\n    public<\/span> synchronized<\/span> void<\/span> syncMethod<\/span>()<\/span> {<\/span> }<\/span>\r\n    public<\/span> native<\/span> void<\/span> nativeMethod<\/span>();<\/span>\r\n    public<\/span> strictfp<\/span> void<\/span> strictMethod<\/span>()<\/span> {<\/span> }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                          \u5b57\u6bb5\uff08\u53d8\u91cf\uff09\u4fee\u9970\u7b26<\/h3>\n
                                            \n
                                          1. \n
                                              \u6700\u7ec8\uff1a\u503c\u53ea\u80fd\u88ab\u8bbe\u7f6e\u4e00\u6b21\uff0c\u4e0d\u80fd\u91cd\u65b0\u5206\u914d\u3002<\/ol>\n<\/li>\n<\/ol>\n
                                              \u9759\u6001\uff1a\u5c06\u5176\u4f5c\u4e3a\u5c5e\u4e8e\u7c7b\u672c\u8eab\u800c\u4e0d\u662f\u5b9e\u4f8b\u7684\u5b57\u6bb5\u3002<\/p>\n
                                              \u77ac\u6001\uff1a\u5728\u5bf9\u8c61\u5e8f\u5217\u5316\u65f6\uff0c\u6b64\u5b57\u6bb5\u5c06\u88ab\u5ffd\u7565\u3002<\/p>\n
                                              \u6613\u5931\uff1a\u6b64\u5b57\u6bb5\u59cb\u7ec8\u4ece\u4e3b\u5185\u5b58\u4e2d\u8bfb\u53d6\uff0c\u5e76\u4e14\u5728\u7ebf\u7a0b\u4e4b\u95f4\u4fdd\u8bc1\u540c\u6b65\u3002<\/p>\n
                                              public<\/span> class<\/span> MyClass<\/span> {<\/span>\r\n    public<\/span> final<\/span> int<\/span> finalVar<\/span> =<\/span> 1<\/span>;<\/span>\r\n    public<\/span> static<\/span> int<\/span> staticVar<\/span> =<\/span> 2<\/span>;<\/span>\r\n    public<\/span> transient<\/span> int<\/span> transientVar<\/span> =<\/span> 3<\/span>;<\/span>\r\n    public<\/span> volatile<\/span> int<\/span> volatileVar<\/span> =<\/span> 4<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
                                              \u9996\u5148 Java\u7684\u4fee\u9970\u7b26(modifiers)\u88ab\u7528\u4e8e\u4fee\u6539\u7c7b\u3001\u65b9\u6cd5\u6216\u53d8\u91cf\u7684\u884c\u4e3a\u3002\u7406\u89e3\u4fee\u9970\u7b26\u5c06\u6709\u52a9\u4e8e\u9605\u8bfb\u548c\u7f16\u5199Jav […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31399","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nJava\u4fee\u9970\u7b26\u6982\u8ff0 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eJava\u4fee\u9970\u7b26\u6982\u8ff0\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4fee\u9970\u7b26\u6982\u8ff0\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u4fee\u9970\u7b26\u6982\u8ff0\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eJava\u4fee\u9970\u7b26\u6982\u8ff0\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/java\u4fee\u9970\u7b26\u6982\u8ff0\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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