import java.applet.*;
import java.awt.*;

public class Doodle extends Applet {
 	private int last_x = 0, last_y = 0;		// variable to retain last known position
	private int[] x_arr,y_arr;				// arrays to retain drawing points
	private boolean[] drag;					// array to indicate if line should connect points
	private int cntr=0;						// count of total points established

	// Constructor (invoked to create instance)
	public Doodle() {						
		x_arr = new int[1024];				// create arrays
		y_arr = new int[1024];
		drag = new boolean[1024];
	}

	// mouse button depressed
	public boolean mouseDown(Event e, int x, int y) {
		Store(x,y,false);					// Store co-ordinates (do not connect line)
		last_x = x;
		last_y = y;
		return true;
	}

	// mouse button released
	public boolean mouseUp(Event e, int x, int y) {
		Store(x,y,false);					// Store co-ordinates (do not connect line)
		return true;
	}

	// mouse moved while mouse button depressed
	public boolean mouseDrag(Event e, int x, int y) {
		Store(x,y,true);					// Store co-ordinates (connect line)
		Graphics g = getGraphics();
		g.drawLine(last_x,last_y, x,y);
		last_x = x;
		last_y = y;
		return true;
	}

	// paint method (called by browser when screen needs to be redrawn)
	public void paint(Graphics g) {
		int counter, stored_x = x_arr[0], stored_y = y_arr[0];
		for(counter=1; counter-->