5例子13.txt

java电子版源码 java电子版源码

interface  Show
{  
    void show();
}
class A implements Show 
{  
    public void show() 
    { 
       System.out.println("I love This Game");
    }
}
class B implements Show 
{ 
    public void show() 
    { 
       System.out.println("我喜欢看NBA");
    }
}
class C
{
    public void f(Show s)    //接口做参数
    {
       s.show();
    }
}
public class Example 
{  
    public static void main(String args[])
    { 
        C c=new C();
        c.f(new A());
        c.f(new B());         
    } 
}