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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. public static void main (String[] args) throws java.lang.Exception
  7. {
  8. Animal[] animals = {new Dog(), new Cat()};
  9. for(Animal a: animals)
  10. a.talk();
  11. }
  12. }
  13.  
  14. class Animal {
  15. void talk() { System.out.println("Animal"); }
  16. }
  17.  
  18. class Dog extends Animal {
  19. void talk() { System.out.println("Dog"); }
  20. }
  21.  
  22. class Cat extends Animal {
  23. void talk() { System.out.println("Cat"); }
  24. }
Success #stdin #stdout 0.03s 245632KB
stdin
Standard input is empty
stdout
Dog
Cat