Java Thread - 如何協(xié)調(diào)隨機時間段的Runnable實例...

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import java.util.concurrent.CyclicBarrier;
public class Main {
  public static void main(String[] args) {
    CyclicBarrier barrier = new CyclicBarrier(2);
    new Thread() {
      @Override
      public void run() {
        try {
          System.out.println("in thread, before the barrier");
          barrier.await();
          System.out.println("in thread, after the barrier");
        } catch (Exception e) {
          e.printStackTrace();
        }
      }
    }.start();
    try {
      System.out.println("main thread, before barrier");
      barrier.await();
      System.out.println("main thread, after barrier");
    } catch (Exception exc) {
      exc.printStackTrace();
    }
  }
}
 
 
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