// overload5.h By: Aiman Hanna - ©1993-2006 Aiman Hanna #include class Vehicle { friend double operator+( const Vehicle&, const Vehicle& ); friend bool operator== ( const Vehicle&, const Vehicle& ); public: Vehicle( int nd = 4, double mxspd = 200, double pr = 10000 ); // default constructor int GetNumDrs( void ); void SetNumDrs( int ); double GetmaxSpeed( void ); void SetMaxSpeed( double ); double GetPrice( void ); void SetPrice( double ); void ShowInfo ( void ); private: int numdoors; double maxspeed, price; };