Label como se fosse um Letreiro

public static void main(String[] args) {
	String s = "Sua Frase";
	for (int i = 0; i < s.length(); i++) {
		System.out.print(String.valueOf(s.charAt(i)));
		try {
			Thread.sleep(500);
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
		
}

import java.awt.Graphics;
import javax.swing.JLabel;

public class JLabelMarquee extends JLabel {
	private double addX;
	private double vel;
	
	public JLabelMarquee(double vel) {
		this.vel = vel;
	}
	
	@Override
	public void paintComponent(Graphics g) {
		g.translate((int)addX, 0);
		super.paintComponent(g);
		repaint(5);
		addX = addX + vel;
		if(addX > getBounds().getWidth())
			addX = 0-getText().length();
	}
}