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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. public static void main (String[] args) throws java.lang.Exception
  11. {
  12. Animal myAnimal = null;
  13. try{
  14. System.out.println(myAnimal.toString());
  15. } catch (NullPointerException e){
  16. System.out.println("Null pointer you derp!");
  17. }
  18. }
  19. }
  20.  
  21. class Animal{
  22. private String type;
  23.  
  24. public Animal(String type){
  25. this.type = type;
  26. }
  27.  
  28. public String toString(){
  29. return type;
  30. }
  31.  
  32. }
Success #stdin #stdout 0.07s 380224KB
stdin
Standard input is empty
stdout
Null pointer you derp!