Method getHeight

Examples/NoModules/Chapter 12/Ex12_11/Box.h:17–17

  double getLength() const { return m_length; }
  double getWidth()  const { return m_width; }
  double getHeight() const { return m_height; }

  // Functions to set member variable values (not const!)
  void setLength(double length) { if (length > 0) m_length = length; }