Stair Walker

import kareltherobot.UrRobot;
import kareltherobot.World;
import kareltherobot.Directions;


//Class
public class StairWalker extends UrRobot
{
   //Define the robot
   public StairWalker(int street, int avenue, Direction direction, int beepers)
   {
    super(street, avenue, direction, beepers);
   }


   //Creation and actions of the robot
   public static void main (String[]args)
   {
      World.setVisible(true);
      World.readWorld("StairWalker.kwld");
      World.showSpeedControl(true);
      World.setTrace(false);
      //create StairWalker gary
      StairWalker gary = new StairWalker (1,1,East,0);
      gary.walkStair();
   }

   public void turnRight()
   {
     turnLeft();
     turnLeft();
     turnLeft();
   }

   public void climbCase()
   {
     turnLeft();
     move();
     turnRight();
     move();
     pickBeeper();
   }

   public void climbStair()
   {
     climbCase();
     climbCase();
     climbCase();
   }

   public void walk()
   {
     move();
     move();
     move();
   }

   public void fall()
   {
     move();
     turnRight();
     walk();
   }

   public void walkStair()
   {
    climbStair();
     fall();
   }
}