Java print hello world every 3 seconds

/**
 * @author lautturi.com 
 * Java example: perform scheduled tasks in java
 */
import java.util.Timer;
import java.util.TimerTask;

public class Lautturi {

	public static void main(String[] args) {

		class SayHello extends TimerTask {
			public void run() {
				System.out.println("Hello World!");
			}
		}

		Timer timer = new Timer();
		timer.schedule(new SayHello(), 0, 3000);

	}
}