base2.h

《c＋＋大学教程》源码

// Fig. 22.15: base2.h
// Definition of class Base2
#ifndef BASE2_H
#define BASE2_H

// class Base2 definition
class Base2 {
public:
   Base2( char characterData ) { letter = characterData; }
   char getData() const { return letter; }

protected:        // accessible to derived classes
   char letter;   // inherited by derived class

};  // end class Base2

#endif  // BASE2_H

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