匿名内部类implements(实现)interface(接口)

interface IBye{
void Bye();
}  
  
 class A  {   
    public A() { 
        System.out.println("A()");  	
     } 
    public void sayhi()
	{
	    System.out.println("A::sayhi()");  	
	}
}  

 class B{
    A obj;
	
    public B(){
	   obj=new A(){
	   public void sayhi()
	   {
		    System.out.println("B_A::sayhi()");  	     
	   }
	   };
	   obj.sayhi();
	}
	
	public void impbye()
	{
	  IBye by=new IBye(){
	    public void Bye()
		 {
		   System.out.println("Bye!"); 
		 }
      };
      by.Bye();	  
	}
	

}

public class Main {  
    public static void main(String[] args) throws Exception {  
        B b = new B();
		b.impbye();
    }  
}  
/*
A()
B_A::sayhi()
Bye!
*/