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

public class MouseDraw extends JApplet implements MouseListener {
	ArrayList<int[]> points;
	
	@Override
	public void init() {
		points = new ArrayList<int[]>();
		addMouseListener(this);
	}

	public void mouseClicked(MouseEvent e) {
		points.add(new int[] { e.getX(), e.getY() });
		repaint();
	}

	public void mouseEntered(MouseEvent e) {}
	public void mouseExited(MouseEvent e) {}
	public void mousePressed(MouseEvent e) {}
	public void mouseReleased(MouseEvent e) {}

	@Override
	public void paint(Graphics g) {
		super.paint(g);
		
		int i, n = points.size();
		for (i=1; i<n; i++) {
			int[] p0 = points.get(i-1);
			int[] p1 = points.get(i);
			g.drawLine(p0[0], p0[1], p1[0], p1[1]);
		}
	}
}