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用java编写下面的小程序.内容什么都行,但必须用到接口

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解决时间 2021-01-29 01:24
  • 提问者网友:精神病院里
  • 2021-01-28 17:07
用java编写下面的小程序.内容什么都行,但必须用到接口
最佳答案
  • 五星知识达人网友:妄饮晩冬酒
  • 2021-01-28 18:17
interface MyInterface {
    void func();
}
class MyClass implements MyInterface {
    public void func {
        // TODO
    }
}
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  • 1楼网友:一把行者刀
  • 2021-01-28 19:31
interface lookafterpet{ public void feed(); public void playwithit(); } class worker implements lookafterpet { string name; public worker(string name){ this.name=name; } public void feed(){ system.out.println("the worker:"+name+" feed their pet"); } public void playwithit(){ system.out.println("the worker:"+name+" playwith their pet"); } } class farmer implements lookafterpet { string name; public farmer(string name){ this.name=name; } public void feed(){ system.out.println("the farmer:"+name+" feed their pet"); } public void playwithit(){ system.out.println("the farmer:"+name+" playwith their pet"); } } class leader implements lookafterpet { string name; public leader(string name){ this.name=name; } public void feed(){ system.out.println("the leader:"+name+" feed their pet"); } public void playwithit(){ system.out.println("the leader:"+name+" playwith their pet"); } } public class demo { public static void main(string args[]){ lookafterpet w=new worker("小王"); farmer f=new farmer("李四"); leader l=new leader("王五"); w.feed(); w.playwithit(); feedpet(f); playwithpet(f); feedpet(l); playwithpet(l); } public static void feedpet(lookafterpet la){ la.feed(); } public static void playwithpet(lookafterpet la){ la.playwithit(); } }
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