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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
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stdin 
Standard input is empty
stdout 
1
https://ideone.com/I3xz4t
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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