CSE 341 -- S. Tanimoto                                                                    Java Classes and Inheritance
4
Class RectangularParallelopiped
public class RectangularParallelopiped extends 
    Polyhedron {
  private double width, length, height;
  // A constructor - It sets protected parent variables:
  RectangularParallelopiped
    (double theWidth, double theLength, double theHeight) {
width=theWidth; length=theLength; height=theHeight;
    nFaces = 6; nVertices = 8; nEdges = 12;
  }
  // A concrete method for the parent’s abstract method:
  public double volume() {
    return width * length * height;
  }
}