/**
 * Creates a class Bug that moves a bug 1 unit per move.
 */
public class Bug
{
/**
 * Constructs a bug with a starting point.
 * @param initialPosition The original position of the bug.
 */
    public Bug(int initialPosition)
    {
        position = initialPosition;
    }
    
    /**
     * Turns the bug so that it moves in the opposite direction.
     */
    public void turn()
    {
       x = -1 * x;
    }
    
    /**
     * Moves the bug 1 unit in the direction it is facing.
     */
    public void move()
    {
        newPosition = position + x;
        position = newPosition;
    }
    
    /**
     * Returns the current position of the bug.
     */
    public int getPosition()
    {
        return position;
    }
    
private int position;
private int newPosition;
private int x = 1;
}