import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Timer;
public class MainClass {
public static void main(String args[]) {
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEvent actionEvent) {
System.out.println("Hello World Timer");
}
};
Timer timer = new Timer(500, actionListener);
timer.start();
}
}