public class Circle extends GeometricObject // Don't need to implement Comparable
{
    private double radius;

    Circle(String c, double r)
    {
	super(c);
        radius = r;
    }

    public double getArea()
    {
        return 3.14159*radius*radius;
    }

    public String toString()
    {
        return getColor() + " " + radius;
    }

    // Inherits compareTo()
}