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  1. class SynchTest {
  2.     public static void main(String[] args) {
  3.         new Thread(new Task()).start();
  4.         new Thread(new Task()).start();
  5.         new Thread(new Task()).start();
  6.     }
  7.  
  8.     static class Task implements Runnable {
  9.         long start;
  10.  
  11.         Task() {
  12.             this.start = System.currentTimeMillis();
  13.         }
  14.  
  15.         static final Object STATIC_MONITOR = new Object();
  16.  
  17.         @Override
  18.         public void run() {
  19.             synchronized (STATIC_MONITOR) {
  20.                 try {
  21.                     Thread.sleep(1000);
  22.                 } catch (InterruptedException ignored) {
  23.                 }
  24.                 System.out.println(System.currentTimeMillis() - start);
  25.             }
  26.         }
  27.     }
  28. }
Success #stdin #stdout 0.05s 2380800KB
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https://ideone.com/WoYLPV
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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