Acionar uma tecla do teclado em uma Thread - Resolvido

import java.awt.AWTException;
import java.awt.Robot;
import java.awt.event.KeyEvent;

public class DispararEventosAutomaticamente {

	class MinhaThread extends Thread {
		@Override
		public void run() {
			while (true) {
				imprimir();
				try {
					sleep(5000);
				} catch (InterruptedException e) {
					e.printStackTrace();
				}
			}

		}
	}
	
	public DispararEventosAutomaticamente() {
		super();
		MinhaThread thread = new MinhaThread();
		thread.start();
	}

	public static void main(String[] args) {
		new DispararEventosAutomaticamente();
	}
	
	private void imprimir() {
		Robot robot = null;
		try {
			robot = new Robot();
		} catch (AWTException e) {
			System.out.println("Erro ao criar o Robô");
		}
		
		robot.keyPress(KeyEvent.VK_A);
		robot.keyRelease(KeyEvent.VK_F8);
		robot.keyPress(KeyEvent.VK_PAGE_DOWN);
		
		//http://www.vaniomeurer.com.br/2009/02/19/como-usar-a-classe-robot/
	}
	

}