Re:rolar texto na janela

import javax.swing.JPanel;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JFrame;

public class StringScrollerPanel extends JPanel implements Runnable
{
	private String text;
	private float posicaoX;
	private float posicaoY;
 
    public StringScrollerPanel(String inText)
    {
    	text = inText;
    	posicaoX = 0.0f;
    	posicaoY = 25.0f;
    }
    
    public void paintComponent(Graphics g)
    {
    	super.paintComponent(g);
    	Graphics2D g2 = (Graphics2D)g;
    	g2.drawString(text, posicaoX, posicaoY);
    }
    
    public void run()
    {
    	try
    	{
    	while(true)
    	{
    	posicaoX += 2f;
    	this.repaint();
    	Thread.sleep(1000);
    	}
    	}
    	catch (InterruptedException ex)
    	{
    		ex.printStackTrace();
    	}
    }
    
    public static void main(String args[])
    {
    	JFrame janela = new JFrame("Teste");
    	StringScrollerPanel panel = new StringScrollerPanel("String");
    	janela.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    	janela.getContentPane().add(panel);
    	janela.setSize(800, 600);
    	janela.setVisible(true);
    	janela.show();
    	Thread thread = new Thread(panel);
    	thread.start();
    	
    }
}