sandvich make me strongg

package Activity3;
import kareltherobot.*;
public class Activity3 implements Directions
{

    public static void main (String[] args) {
        World.readWorld("KarelChallenges3.kwld");
        World.setVisible();
        World.setDelay(25);
        Activity1.uberBot heavy = new Activity1.uberBot(1, 1, North, -1);
        boolean water = false;

        while (water == false)
        {
            heavy.sandvich(); //this will look around for a beeper and then go towards it.
            heavy.pickBeeper();
            if (heavy.nextToABeeper())
            {
                water = true;
            }// checks if its on a beeper after running the code
        }
        heavy.dance(); // aww yea
    }
}