// Employee.h // Employee abstract base class. #ifndef EMPLOYEE_H #define EMPLOYEE_H #include // C++ standard string class using std::string; class Employee { public: Employee( const string &, const string &, const string & ); void setFirstName( const string & ); // set first name string getFirstName() const; // return first name void setLastName( const string & ); // set last name string getLastName() const; // return last name void setSocialSecurityNumber( const string & ); // set SSN string getSocialSecurityNumber() const; // return SSN // pure virtual function makes Employee abstract base class virtual double earnings() const = 0; // pure virtual virtual void print() const; // virtual private: string firstName; string lastName; string socialSecurityNumber; }; // end class Employee #endif // EMPLOYEE_H