derived.h

这是C＋＋编程经典的书上实例的源代码。 （英文名是《C＋＋ how to program》第3版）

// Fig. 9.11: derived.h
// Definition of class Derived which inherits
// multiple base classes (Base1 and Base2).
#ifndef DERIVED_H
#define DERIVED_H

#include <iostream>

using std::ostream;

#include "base1.h"
#include "base2.h"

// multiple inheritance
class Derived : public Base1, public Base2 {
   friend ostream &operator<<( ostream &, const Derived & );

public:
   Derived( int, char, double );
   double getReal() const;

private:
   double real;   // derived class's private data
};

#endif


/**************************************************************************
 * (C) Copyright 2000 by Deitel & Associates, Inc. and Prentice Hall.     *
 * All Rights Reserved.                                                   *
 *                                                                        *
 * DISCLAIMER: The authors and publisher of this book have used their     *
 * best efforts in preparing the book. These efforts include the          *
 * development, research, and testing of the theories and programs        *
 * to determine their effectiveness. The authors and publisher make       *
 * no warranty of any kind, expressed or implied, with regard to these    *
 * programs or to the documentation contained in these books. The authors *
 * and publisher shall not be liable in any event for incidental or       *
 * consequential damages in connection with, or arising out of, the       *
 * furnishing, performance, or use of these programs.                     *
 *************************************************************************/