fork download
copy 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7.  
  8. class A{  
  9.          public String show(D obj){  
  10.                 return ("A and D");  
  11.          }   
  12.          public String show(A obj){  
  13.                 return ("A and A");  
  14.          }   
  15. }   
  16. class B extends A{  
  17.          public String show(B obj){  
  18.                 return ("B and B");  
  19.          }  
  20.          public String show(A obj){  
  21.                 return ("B and A");  
  22.          }   
  23. }  
  24. class C extends B{}   
  25. class D extends B{}
  26.  
  27.  
  28. /* Name of the class has to be "Main" only if the class is public. */
  29. class Ideone
  30. {
  31. 	public static void main (String[] args) throws java.lang.Exception
  32. 	{
  33. 		A a1 = new A();  
  34.         A a2 = new B();  
  35.         B b = new B();  
  36.         C c = new C();   
  37.         D d = new D();   
  38.         System.out.println(a1.show(b));
  39.         System.out.println(a1.show(c));
  40.         System.out.println(a1.show(d));
  41.         System.out.println(a2.show(b));
  42.         System.out.println(a2.show(c));
  43.         System.out.println(a2.show(d));
  44.         System.out.println(b.show(b));
  45.         System.out.println(b.show(c));
  46.         System.out.println(b.show(d));
  47. 	}
  48. }
Success #stdin #stdout 0.1s 320512KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
A and A
A and A
A and D
B and A
B and A
A and D
B and B
B and B
A and D
https://ideone.com/u5vIlt
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!