// (c) F. Merciol 
// Plus d'informations sur http://m3101.merciol.fr
package thread;
public class SingleThread {
		
		private Thread lastThread;
		public void stopSingle () {
				lastThread = null;
		}
		public void startSingle () {
				(new Thread () {
								public void run () {
										for (lastThread = currentThread ();
												 lastThread == currentThread ();
												 ) {
												System.err.println ("Here is "+getName ());
												pause (1);
										}
								}
						}).start ();
		}

    public static void pause (int seconds) {
				try {
						Thread.sleep (seconds*1000);
				} catch (InterruptedException e) {
				}
    }
    public static void main (String[] arg) {
				SingleThread activeObjet = new SingleThread ();
				for (int i = 0; i < 4 ; i++) {
						activeObjet.startSingle ();
						pause (1);
				}
				activeObjet.stopSingle ();
    }
}