/** Cube.java -- another example of a class implementing ThreeD.
 */
public class Cube extends Shape implements ThreeD
{
  private double side;

  public Cube(String n, double s)
  {
    super(n);
    side = s;
  }

  public double findArea()
  {
    return 6.0 * Math.pow(side, 2.0);
  }

  public double findVolume()
  {
    return Math.pow(side, 3.0);
  }
}