Method volume

Examples/NoModules/Chapter 15/Ex15_04/Box.h:16–20

Function to calculate the volume of a Box object

  // Function to calculate the volume of a Box object
  virtual double volume(int i = 5) const
  { 
    std::cout << "(Box argument = " << i << ") ";
    return m_length * m_width * m_height;
  }

protected:      // Should be private in production-quality code (add getters to access)
  double m_length, m_width, m_height;