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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10.  
  11. void executar(){
  12. A instanciaA = new A();
  13. instanciaA.metodo();
  14.  
  15. B instanciaB = new B();
  16. instanciaB.metodo();
  17.  
  18. A instanciaBA = new B();
  19. instanciaBA.metodo();
  20. }
  21.  
  22. public static void main (String[] args) throws java.lang.Exception
  23. {
  24. Ideone ii = new Ideone();
  25.  
  26. ii.executar();
  27. }
  28.  
  29. class A{
  30. public void metodo(){
  31. System.out.println("AAAAAA");
  32. }
  33. }
  34.  
  35. class B extends A{
  36. public void metodo(){
  37. System.out.println("BBBBB");
  38. }
  39. }
  40. }
Success #stdin #stdout 0.08s 47268KB
stdin
Standard input is empty
stdout
AAAAAA
BBBBB
BBBBB