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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. int x = 15;
  13. for(int i = x ;; i = x & (i - 1)){
  14. System.out.println(Integer.toBinaryString(i));
  15. if(i == 0){
  16. break;
  17. }
  18. }
  19. }
  20. }
Success #stdin #stdout 0.05s 4575232KB
stdin
Standard input is empty
stdout
1111
1110
1101
1100
1011
1010
1001
1000
111
110
101
100
11
10
1
0