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  1. class PingPong2 {
  2.     synchronized void hit(long n) {
  3.         for(int i = 1; i < 3; i++)
  4.             System.out.print(n + "-" + i + " ");
  5.     }
  6. }
  7.  
  8. class Tester implements Runnable {
  9.     static PingPong2 pp2 = new PingPong2();
  10.     public static void main(String[] args) {
  11.         new Thread(new Tester()).start();
  12.         new Thread(new Tester()).start();
  13.     }
  14.     public void run() { pp2.hit(Thread.currentThread().getId()); }
  15. }
Success #stdin #stdout 0.15s 44476KB
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10-1 10-2 11-1 11-2
https://ideone.com/qOgwJf
language:
Java (HotSpot 12)
created:
335 days ago
visibility:
public

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