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// Fig. 10.12: shape.h
// Shape abstract-base-class definition.
#ifndef SHAPE_H
#define SHAPE_H
#include <string> // C++ standard string class
using std::string;
class Shape {
public:
// virtual function that returns shape area
virtual double getArea() const;
// virtual function that returns shape volume
virtual double getVolume() const;
// pure virtual functions; overridden in derived classes
virtual string getName() const = 0; // return shape name
virtual void print() const = 0; // output shape
}; // end class Shape
#endif
/**************************************************************************
* (C) Copyright 1992-2003 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. *
*************************************************************************/
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