/**
 * This class represents a coin.  Only a single Coin
 * object is created.  This class implements the 
 * singleton design pattern.
 * 
 * @author Franck van Breugel
 */
public class Coin
{
    /**
     * The unique instance.
     */
    private static Coin instance = new Coin();
    
    /**
     * Initializes the coin.
     */
    private Coin() {} 

    /**
     * Returns the coin.
     * 
     * @return the coin.
     */
    public static Coin getInstance()
    {
	return Coin.instance;
    }
}