persontype.h

C++编成数据结构与程序设计方法 D.S.Malk编著

#ifndef personType_H
#define personType_H

#include <string>

using namespace std;

class personType
{
    friend istream& operator>>(istream&, personType&);
    friend ostream& operator<<(ostream&, const personType&);

public:
    void setName(string first, string last);
      //Function to set firstName and lastName according 
      //to the parameters.
      //Postcondition: firstName = first; lastName = last

    string getFirstName() const;
      //Function to return the first name.
      //Postcondition: The value of firstName is returned.

    string getLastName() const;
      //Function to return the last name.
      //Postcondition: The value of lastName is returned.

    personType(string first = "", string last = "");
      //Constructor
      //Sets firstName and lastName according to the 
      //parameters. The default values of the parameters are 
      //empty strings.
      //Postcondition: firstName = first; lastName = last  

        //overload the relational operators
    bool operator==(const personType& right) const;
    bool operator!=(const personType& right) const;
    bool operator<=(const personType& right) const;
    bool operator<(const personType& right) const;
    bool operator>=(const personType& right) const;
    bool operator>(const personType& right) const;

 protected:
    string firstName; //variable to store the first name
    string lastName;  //variable to store the last name
};

#endif