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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. private static int n;
  11. private static Object nLock = new Object();
  12.  
  13. public static void setN(int arg) {
  14. synchronized (nLock) {
  15. n = arg;
  16. }
  17. }
  18.  
  19. public static int getN() {
  20. synchronized (nLock) {
  21. return n;
  22. }
  23. }
  24. public static void main (String[] args) throws java.lang.Exception
  25. {
  26. setN(1);
  27. System.out.println(getN());
  28. }
  29. }
Success #stdin #stdout 0.07s 380224KB
stdin
Standard input is empty
stdout
1