public class JoinDemo{

public static void main(String[] args){

Runnable r = new Runnable(){

@Override

public void run(){

System.out.println("Worker thread is simulating work by sleeping for 5 seconds.");

try{

Thread.sleep(5000);

}catch(InterruptedException ie){

ie.printStackTrace();

}

System.out.println("Worker thread is dying.");

}

};

Thread thd = new Thread(r);

thd.start();

System.out.println("Default main thread is doing work.");

try{

Thread.sleep(2000);

}catch(InterruptedException ie){

ie.printStackTrace();

}

System.out.println("Default main thread has finished its work.");

System.out.println("Default main thread is waiting for worker thread to die.");

try{

thd.join();

}catch(InterruptedException ie){

ie.printStackTrace();

}

System.out.println("Last statement in main method. Default main thread is dying.");

}

}