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  1. interface I
  2. {
  3.   public void test();
  4. }
  5.  
  6. class A implements I
  7. {
  8.   public void test() { System.out.println("A\n"); }
  9. }
  10.  
  11. class B extends A
  12. {
  13.   public void test() { System.out.println("B\n"); }
  14. }
  15.  
  16. public class Main
  17. {
  18.   public static void main(String[] args)
  19.   {
  20.     Main.doTest(new B());
  21.   }
  22.   public static void doTest(I i)
  23.   {
  24.     i.test();
  25.   }
  26. }
  27.  
Success #stdin #stdout 0.05s 711168KB
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Standard input is empty
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B
https://ideone.com/CZICMN
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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