Suspend Resume And Stop A Thread In Java

            /* ............... START ............... */
                
class MyThread implements Runnable {
	  Thread thrd;
	  boolean suspended;
	  boolean stopped;

	  MyThread(String name) {
	    thrd = new Thread(this, name);
	    suspended = false;
	    stopped = false;
	    thrd.start();
	  }

	  public void run() {
	    try {
	      for (int i = 1; i < 10; i++) {
	        System.out.print(".");
	        Thread.sleep(50);
	        synchronized (this) {
	          while (suspended)
	            wait();
	          if (stopped)
	            break;
	        }
	      }
	    } catch (InterruptedException exc) {
	      System.out.println(thrd.getName() + " interrupted.");
	    }
	    System.out.println("\n" + thrd.getName() + " exiting.");
	  }

	  synchronized void stop() {
	    stopped = true;
	    suspended = false;
	    notify();
	  }

	  synchronized void suspend() {
	    suspended = true;
	  }

	  synchronized void resume() {
	    suspended = false;
	    notify();
	  }
	}



public class JavaThreadControl {
	public static void main(String args[]) throws Exception {
	    MyThread mt = new MyThread("MyThread");
	    Thread.sleep(100);
	    mt.suspend();
	    Thread.sleep(100);

	    mt.resume();
	    Thread.sleep(100);

	    mt.suspend();
	    Thread.sleep(100);

	    mt.resume();
	    Thread.sleep(100);

	    mt.stop();
	  }
}
                /* ............... END ............... */