// Ex9_01.cpp
  // Using a derived class
  include <iostream>                    // For stream I/O
  include <cstring>                     // For strlen() and strcpy()
  include <CandyBox.h>                  // For CBox and CCandyBox
  using std::cout;
  using std::endl;
  
  int main()
  {
    CBox myBox(4.0, 3.0, 2.0);                     // Create CBox object
    CCandyBox myCandyBox;
    CCandyBox myMintBox("Wafer Thin Mints");       // Create CCandyBox object
  
    cout << endl
         << "myBox occupies " << sizeof myBox      // Show how much memory
         << " bytes" << endl                       // the objects require
         << "myCandyBox occupies " << sizeof myCandyBox
          << " bytes" << endl
         << "myMintBox occupies " << sizeof myMintBox
         << " bytes";
  
    cout << endl
         << "myBox length is " << myBox.m_Length;
  
    myBox.m_Length = 10.0;
  
    // myCandyBox.m_Length = 10.0;       // uncomment this for an error
  
    cout << endl;
    return 0;
  }