/**
 * This class models a walker in an alley walk.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class AlleyWalker
{
     /**
     * Constructor for objects of class AlleyWalker.
     */
    public AlleyWalker()
    {

    }

    /**
     * Moves the walker one step in either direction.
     */    
    public void doStep()
    {

    }
    
    /**
     * Accessor method for determining the position of the walker.
     *   @return current position of the walker (note: initial position is 0)
     */    
    public int getPosition()
    {
        
    }
    
    /**
     * Accessor method for determining the number of steps taken by the walker.
     *   @return number of steps taken so far
     */        
    public int getNumberOfSteps()
    {
 
    }
}