/**
 * Description: counts integers
 * 
 * @author Bhaskaran Raman
 * @version 30 Dec 2004
 */
class Counter
{
    /** Object variable: to maintain the counter */
    int x;

    /**
     * Constructor for objects of class Counter
     */
    Counter()
    {
        // initialise the counter
        x = 0;
    }
    
    int getCurrentValue()
    {
        return x;
    }

    /**
     * Add a value
     * 
     * @param  y   to be added to x
     */
    void add(int y)
    {
        x = x+y;
    }
    
    /** Add one to 'x' */
    void increment()
    {
        x = x+1;
    }
}