Box Class

public class Box {
    private double w;
    private double l;
    private double h;

    public void SetW(double w1)
    {
        w = w1;
    }
    public void SetL(double l1)
    {
        l = l1;
    }
    public void SetH(double h1)
    {
        h = h1;
    }
    public double GetW()
    {
        return w;
    }
    public double GetL()
    {
        return l;
    }
    public double GetH()
    {
        return h;
    }
    public double Area(double Area)
    {
        return w*l;
    }
    public double Volume(double Volume)
    {
        return w*l*h;
    }

}