//=================================================================================================
public class Ice extends H2O {
//-------------------------------------------------------------------------------------------------
    private static final double ICE_EXPANSION = 1.11;

    private double waterVolume;
//-------------------------------------------------------------------------------------------------
    public Ice(double numberOfMoles) {

        super(numberOfMoles);
        waterVolume = numberOfMoles * LITERS_OF_WATER_PER_MOLE;
    }
//-------------------------------------------------------------------------------------------------
    public String toString() {

        return("Ice  : " + super.toString());
    }
//-------------------------------------------------------------------------------------------------
    public double computeVolume() {

        return(waterVolume * ICE_EXPANSION);
    }
//-------------------------------------------------------------------------------------------------
}
//=================================================================================================