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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. 	interface A{
  11. 		int a(int s);
  12. 	}
  13.  
  14. 	public static void main (String[] args) throws java.lang.Exception
  15. 	{
  16. 		A a = Integer::bitCount;
  17.  
  18. 		System.out.println(a.a(1337));
  19. 	}
  20. }
Success #stdin #stdout 0.18s 320448KB
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6
https://ideone.com/i2lxn0
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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