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  1. interface A{
  2. 	void fun();
  3. }
  4.  
  5. interface B extends A{
  6. 	default void fun(){
  7. 		System.out.println("B");
  8. 	}
  9. }
  10.  
  11. interface C extends A{
  12. 	default void fun(){
  13. 		System.out.println("C");
  14. 	}
  15. }
  16.  
  17. class D implements B, C{
  18. 	public void fun(){
  19. 		System.out.println("D");
  20. 		B.super.fun();
  21. 		C.super.fun();
  22. 	}
  23. }
  24.  
  25. class E implements B{}
  26.  
  27. class AB {
  28. 		public void fun(){
  29. 		System.out.println("inside AB");
  30. 	}
  31. }
  32. class F extends AB implements C{} // class AB and interface C have fun() method, but priority is given to class method implementation
  33.  
  34. class Ideone
  35. {
  36. 	public static void main (String[] args)
  37. 	{
  38. 		D d = new D();
  39. 		d.fun();
  40.  
  41. 		E e = new E();
  42. 		e.fun(); 
  43.  
  44. 		F f = new F();
  45. 		f.fun();
  46. 	}
  47. }
Success #stdin #stdout 0.08s 54592KB
comments (?)
stdin 
Standard input is empty
stdout 
D
B
C
B
inside AB
https://ideone.com/jx7nDQ
language:
Java (HotSpot 12)
created:
1 day ago
visibility:
public

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