{"id":31075,"date":"2023-11-27T15:26:15","date_gmt":"2024-03-04T11:44:11","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e7%bb%a7%e6%89%bf\/"},"modified":"2025-08-12T22:11:54","modified_gmt":"2025-08-12T14:11:54","slug":"java%e7%9a%84%e7%bb%a7%e6%89%bf","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/java%e7%9a%84%e7%bb%a7%e6%89%bf\/","title":{"rendered":"JAVA\u7684\u7ee7\u627f"},"content":{"rendered":"
\r\npackage<\/span> lesson23<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Constant2301<\/span> {<\/span>\r\n public<\/span> static<\/span> final<\/span> String<\/span> POLICE<\/span> =<\/span> \"\u8b66\u5bdf\u5b98\"<\/span>;<\/span>\r\n public<\/span> static<\/span> final<\/span> String<\/span> TEACHER<\/span> =<\/span> \"\u6559\u5e2b\"<\/span>;<\/span>\r\n public<\/span> static<\/span> final<\/span> String<\/span> CHEF<\/span> =<\/span> \"\u6599\u7406\u4eba\"<\/span>;<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
package<\/span> lesson23<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Chef2301<\/span> extends<\/span> Worker2301<\/span> {<\/span>\r\n\r\n    public<\/span> Chef2301<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> age<\/span>)<\/span> {<\/span>\r\n        super<\/span>(<\/span>Constant2301<\/span>.<\/span>CHEF<\/span>,<\/span> name<\/span>,<\/span> age<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> void<\/span> doWork<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u98df\u4e8b\u3092\u4f5c\u308a\u307e\u3059\u3002\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
package<\/span> lesson23<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Display2301<\/span> {<\/span>\r\n\r\n    public<\/span> static<\/span> void<\/span> displayWorkers<\/span>(<\/span>Worker2301<\/span>[]<\/span> workers<\/span>)<\/span> {<\/span>\r\n        for<\/span>(<\/span>Worker2301<\/span> worker<\/span> :<\/span> workers<\/span>)<\/span> {<\/span>\r\n            worker<\/span>.<\/span>showIntroduction<\/span>();<\/span>\r\n            worker<\/span>.<\/span>doWork<\/span>();<\/span>\r\n        }<\/span>\r\n    }<\/span>\r\n\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\r\npackage<\/span> lesson23<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Police2301<\/span> extends<\/span> Worker2301<\/span> {<\/span>\r\n\r\n    public<\/span> Police2301<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> age<\/span>)<\/span> {<\/span>\r\n        super<\/span>(<\/span>Constant2301<\/span>.<\/span>POLICE<\/span>,<\/span> name<\/span>,<\/span> age<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> void<\/span> doWork<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u5730\u57df\u3084\u4eba\u3005\u306e\u5b89\u5168\u3092\u5b88\u308a\u307e\u3059\u3002\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n\r\n<\/code><\/pre>\n
\r\npackage<\/span> lesson23<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Sample2301<\/span> {<\/span>\r\n     public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n\r\n        Worker2301<\/span>[]<\/span> workers<\/span> =<\/span> new<\/span> Worker2301<\/span>[<\/span>3<\/span>];<\/span>\r\n\r\n\r\n        \/\/ \u30b5\u30d6\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u914d\u5217\u306b\u8ffd\u52a0<\/span>\r\n         \/\/ \u8b66\u5bdf\u5b98\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3066\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n         workers<\/span>[<\/span>0<\/span>]<\/span> =<\/span> new<\/span> Police2301<\/span>(<\/span>\"\u7530\u4e2d\"<\/span>,<\/span> 28<\/span>);<\/span>\r\n         \/\/ \u6559\u5e2b\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3066\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n         workers<\/span>[<\/span>1<\/span>]<\/span> =<\/span> new<\/span> Teacher2301<\/span>(<\/span>\"\u4f50\u85e4\"<\/span>,<\/span> 53<\/span>);<\/span>\r\n         \/\/ \u6599\u7406\u4eba\u30af\u30e9\u30b9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u3066\u3001\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n         workers<\/span>[<\/span>2<\/span>]<\/span> =<\/span> new<\/span> Chef2301<\/span>(<\/span>\"\u9234\u6728\"<\/span>,<\/span> 31<\/span>);<\/span>\r\n         \/\/ \u51fa\u529b\u7528\u30af\u30e9\u30b9\u306b\u5404\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u60c5\u5831\u3092\u6e21\u3059<\/span>\r\n         Display2301<\/span>.<\/span>displayWorkers<\/span>(<\/span>workers<\/span>);<\/span>\r\n\r\n\r\n     }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\r\npackage<\/span> lesson23<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Teacher2301<\/span> extends<\/span> Worker2301<\/span> {<\/span>\r\n\r\n    public<\/span> Teacher2301<\/span>(<\/span>String<\/span> name<\/span>,<\/span> int<\/span> age<\/span>)<\/span> {<\/span>\r\n        super<\/span>(<\/span>Constant2301<\/span>.<\/span>TEACHER<\/span>,<\/span> name<\/span>,<\/span> age<\/span>);<\/span>\r\n\r\n    }<\/span>\r\n\r\n    public<\/span> void<\/span> doWork<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u77e5\u8b58\u3092\u6559\u3048\u307e\u3059\u3002\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\r\npackage<\/span> lesson23<\/span>;<\/span>\r\n\r\npublic<\/span> abstract<\/span> class<\/span> Worker2301<\/span> {<\/span>\r\n\r\n    protected<\/span> String<\/span> job<\/span>;<\/span>\r\n    protected<\/span> String<\/span> name<\/span>;<\/span>\r\n    protected<\/span> int<\/span> age<\/span>;<\/span>\r\n\r\n    Worker2301<\/span>(<\/span>String<\/span> job<\/span>,<\/span> String<\/span> name<\/span>,<\/span> int<\/span> age<\/span>){<\/span>\r\n\r\n        this<\/span>.<\/span>job<\/span> =<\/span> job<\/span>;<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n        this<\/span>.<\/span>age<\/span> =<\/span> age<\/span>;<\/span>\r\n\r\n    }<\/span>\r\n\r\n    public<\/span> void<\/span> showIntroduction<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"\u540d\u524d\u306f\"<\/span> +<\/span> name<\/span> +<\/span> \"\u3001\u5e74\u9f62\u306f\"<\/span> +<\/span> age<\/span> +<\/span> \"\u6b73\u3001\u8077\u696d\u306f\"<\/span> +<\/span> job<\/span> +<\/span> \"\u3067\u3059\u3002\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> abstract<\/span> void<\/span> doWork<\/span>();<\/span>\r\n\r\n    public<\/span> String<\/span> getJob<\/span>()<\/span> {<\/span>\r\n        return<\/span> job<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> void<\/span> setJob<\/span>(<\/span>String<\/span> job<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>job<\/span> =<\/span> job<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n\r\n\r\n    public<\/span> String<\/span> getName<\/span>()<\/span> {<\/span>\r\n        return<\/span> name<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> void<\/span> setName<\/span>(<\/span>String<\/span> name<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>name<\/span> =<\/span> name<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> int<\/span> getAge<\/span>()<\/span> {<\/span>\r\n        return<\/span> age<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    public<\/span> void<\/span> setAge<\/span>(<\/span>int<\/span> age<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>age<\/span> =<\/span> age<\/span>;<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u88ab\u4f7f\u7528\u7684\u672f\u8bed (Chinese: de<\/p>\n","protected":false},"excerpt":{"rendered":"
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