import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class Paint extends Applet {
    private static final long serialVersionUID = 1L;
    int last_x, last_y;
    public  void  init() {

        this.addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent e) {
                last_x = e.getX(); last_y = e.getY();
            }
        });

        this.addMouseMotionListener(new MouseMotionAdapter() {
            public void mouseDragged(MouseEvent e) {
                Graphics g = getGraphics();
                int x = e.getX(), y= e.getY();
                g.setColor(Color.magenta);
                g.drawLine(last_x, last_y, x, y);
                last_x = x; last_y = y;
            }
        });
    }
}