Thead join sample code

public class Join {
  public static void main (String [] args) throws Exception {
    Controller c = new Controller();
    c.start();
    Thread.sleep(100);
    c.interrupt();  
  }
}
class Job extends Thread {
  @Override
  public void run() {
    try {
      Thread.sleep(2000);
    } catch (InterruptedException ex) {
      ex.printStackTrace();
    }
  }
}
class Controller extends Thread {
  @Override
  public void run() {
    try {
      Job j = new Job();
      j.start();
      j.join(1000);
      if (j.isAlive())
        System.out.println("job is still alice");  
    } catch (InterruptedException ex) {
      System.out.println("interrupteded while joning");  
    }
  }
}