Hanoi.java_

import java.awt.*;
import java.applet.Applet;
import java.util.Stack;
// Jorge Granados Delgadillo

public class Hanoi extends Applet implements Runnable {
    int torreInicial, torreIntermedia, torreFinal;
    Stack torre[];
    int retardo;
    int numMov;
    static final Color col[] = { Color.red, Color.blue, Color.yellow, Color.green,
	Color.magenta, Color.pink, Color.cyan, Color.orange, Color.darkGray };
    Dimension dimAguja;
    Image imagenEnMemoria;
    Thread hilo;

    public void init() {

)).intValue();
        retardo = Integer.parseInt(getParameter("retardo"));

	  imagenEnMemoria = createImage(size().width, size().height);
    }

    public void start() {
        torre = new Stack[3];
        for (int numTorre = 0; numTorre < 3; numTorre++)
            torre[numTorre] = new Stack();
        dimAguja = new Dimension();
        setBackground(Color.white);
        if (hilo == null) {
            hilo = new Thread(this);
            hilo.start();
        }
    }

    public void stop() {
        if (hilo != null) {
            hilo.stop();
            hilo = null;
        }
    }

    public void update(Graphics g) {
        paint(g);
    }

    public void paint(Graphics g) {
        for (int numTorre = 0; numTorre < 3; numTorre++) {
ja.width /4,
		 dimAguja.height / 2,
		 dimAguja.width / 3, 
                int posiDisco = torre[numTorre].indexOf(new Integer(numDisco));
                if (posiDisco != -1) {
Aguja.width / 2,
                    numDisco * dimAguja.width,
                    dimAguja.height, true);
                }
            }
        }
            + new Integer(numMov).toString(), dimAguja.width / 2,

        g.drawImage(imagenEnMemoria, 0, 0, this);
    }

    public void run() {
        int torreInicial = 0;
        int torreIntermedia = 1;
        int torreFinal = 2;
        repaint();
        try {
            Thread.sleep(2000);
            numMov = 0;
        }
        catch (InterruptedException e) {
            return;
        }
    }

oDeDiscos) {
            torre[torreFinal].push(torre[torreInicial].pop());

            numMov++;
            repaint();
            try {
                Thread.sleep((long)retardo);
            }
            catch (InterruptedException e) {
                return;
            }
            return;
        }
        hanoi(torreInicial, torreFinal, torreIntermedia, 1);
    }
}