// Student.h

#include <iostream>
#include <vector>
#include <string>
using namespace std;

class Student
{
private:  // start with member variables
 string first_name_; // ending _ is just a naming convention to
                     //   indicate these are private member variables
 string last_name_;
 string major_;
 int rin_;  // 660123456

//  Date incoming_year_;
//  Date expected_date_of_graduation_;
//  Date birthdate_;

 vector<double> grades_;  // numeric course grades (0.0-100.0)

 double gpa_;         // running GPA value
 double grades_sum_;  // running sum of grades (to help calculate GPA)


public:
 // Constructors
 Student();  // If this is omitted, this is automatically generated
             //  (unless other constructors are specified)
 Student( const Student& s );  // also auto-generated as necessary

 Student( const string& first_name, const string& last_name, int rin );

 // Accessor functions
 string get_last_name() const { return last_name_; }
 string get_first_name() const { return first_name_; }
 double get_gpa() const { return gpa_; }

 // Mutator functions
 void add_grade( double grade );
};

ostream& operator<< ( ostream& os, const Student& s );