Java tutorial
// : c13:Joining.java // Understanding join(). // From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002 // www.BruceEckel.com. See copyright notice in CopyRight.txt. class Sleeper extends Thread { private int duration; public Sleeper(String name, int sleepTime) { super(name); duration = sleepTime; start(); } public void run() { try { sleep(duration); } catch (InterruptedException e) { System.out.println(getName() + " was interrupted. " + "isInterrupted(): " + isInterrupted()); return; } System.out.println(getName() + " has awakened"); } } class Joiner extends Thread { private Sleeper sleeper; public Joiner(String name, Sleeper sleeper) { super(name); this.sleeper = sleeper; start(); } public void run() { try { sleeper.join(); } catch (InterruptedException e) { throw new RuntimeException(e); } System.out.println(getName() + " join completed"); } } public class Joining { public static void main(String[] args) { Sleeper sleepy = new Sleeper("Sleepy", 1500), grumpy = new Sleeper("Grumpy", 1500); Joiner dopey = new Joiner("Dopey", sleepy), doc = new Joiner("Doc", grumpy); grumpy.interrupt(); } } ///:~