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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. varargs(null);
  13. varargs((String) null);
  14. varargs(new String[]{"Hi!"});
  15. varargs();
  16. }
  17.  
  18. public static void varargs (Object... array) {
  19. if (array == null) {
  20. System.out.println("Is null");
  21. } else {
  22. System.out.println(Arrays.toString(array));
  23. }
  24. }
  25. }
Success #stdin #stdout 0.1s 320320KB
stdin
Standard input is empty
stdout
Is null
[null]
[Hi!]
[]