import javax.swing.*;
import java.awt.*;
import java.awt.event.*;


public class Components extends JPanel {
    int position = 10;
    public void paintComponent(Graphics g) {
	super.paintComponent(g);

	g.drawLine(position,10,position + 20,90);
	position ++;
	if(position > 300) position = 10;
    }

} // class Components