exinterface.java

清华大学第二版

 interface   s1
  {
  	int a=10; 	  	
  	}   
  	
interface     t1  extends s1
  {
  	int b=20; 	  	
  	}   
interface  i1 
{
	int d=50;
}
class c1 implements t1,i1
  	{  		
  		int c=30;
  		}
  
  public class exinterface 
{ 
  public   static   void   main(String[]   args)     
  {     
  c1 t=new c1();  
  System.out.println(t.a + " " + t.b + " " + t.d );  
   }
      }