public class ThreadTest implements Runnable{

        public ThreadTest(){
          Thread myThread= new Thread(this);
          myThread.start() ;
        }



        public void run() {
 		int i = 0;

 		while (true) {
 			System. out. println(" Hello " + i++);
 			if ( i == 50 ) {
 				break;
 			}
 		}
 	}

  	public static void main( String args[]) {
            new ThreadTest();
  	}
}