Coordinating Threads with join : Thread Join « Thread « SCJP

1. SCJP
2. Thread
3. Thread Join

The Thread that calls the join method of another Thread waits for the other Thread to die before proceeding. 


public class MainClass implements Runnable {
  public static void main(String[] args) {
    MainClass jt = new MainClass();
    try {
      jt.t.join();
      System.out.println("after join");
    } catch (InterruptedException ex) {
      System.out.println("main exception:" + ex);
    }
  }

  Thread t;

  public MainClass() {
    t = new Thread(this);
    t.setPriority(Thread.MIN_PRIORITY);
    t.start();

  }

  public void run() {
    ;
  }
}

after join