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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 change(Set <Long> s) {
  11. 		s.add(Long.valueOf(2));
  12. 	}
  13. 	public static void main (String[] args) throws java.lang.Exception
  14. 	{
  15. 		Set <Long> s = new TreeSet<>();
  16.  
  17. 		change(s);
  18.  
  19. 		System.out.println(s.size());
  20. 	}
  21. }
Success #stdin #stdout 0.06s 32760KB
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https://ideone.com/eQvMDS
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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