/**
 *  Counter is a non-negative Integer with restricted operations for counting.
 * 
 * @author J. Dalbey
 * @version 4/14/2011 - Executable skeleton
 */
public class Counter
{
    // counter value 
    private int count;
    // ending value (optional)
    private int target;
    
    /**
     * Default Constructor sets counter to zero. 
     */
    public Counter()
    {
    }
    
    /**
     * Constructor with a target end value. 
     * @param end is the ending value
     * @pre end > 0
     */
    public Counter(int end)
    {
    }

    /**
     * Increment by one. 
     */
    public void inc()
    {
    }

    /**
     * Check if counter has not reached the target.
     * @return true if count not equals target, false otherwise
     */
    public boolean notDone()
    {
        return true;
    }

    /**
     *  Return the counter as a printable string containing the digits in the integer.
     */
    public String toString()
    {
        return "";
    }
}