Shelf Mover

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


//Class
public class Shelf extends UrRobot
{
   //Define the robot
   public Shelf(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("ShelfStocker.kwld");
      World.showSpeedControl(true);
      World.setTrace(false);
      //create Shelf gary
      Shelf gary = new Shelf (1,1,East,0);
      gary.stockShelf();
   }

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

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

   public void goBack(){
      turnBack();
      move();
      move();
      move();
      move();
      move();
      move();
      move();
      move();
   }

   public void getShelf()
   {
    pickBeeper();
    turnLeft();
   }

   public void placeShelf()
   {
    move();
    putBeeper();
    turnBack();
    move();
    turnLeft();
      move();
   }

   public void moveShelf()
   {
    getShelf();
    placeShelf();
   }

   public void moveShelfBlock()
   {
    moveShelf();
    moveShelf();
    moveShelf();
    moveShelf();
   }

   public void stockShelf()
   {
      moveShelfBlock();
      moveShelfBlock();
      goBack();
   }
}