Problem with character arrays in classes

I have this project to do and I'm having serious isuses with it.

I have a character array as a private object of a class, Im trying to use public accessors to get it in the main program, but when I do, it tells me Im trying to convert char[50] to char

When I make just the strings public i get the error : driver.obj : error LNK2001: unresolved external symbol "public: void __thiscall Course::SetRoom(unsigned short)" (?SetRoom@Course@@QAEXG@Z)

When everything is public it all runs fine. Problem is they all the objects need to run private.

Any help would be veryyyyyy appreciated. I'll post the coding to the three files below. thanks.

classes.h file

Code:

---

#include <iostream>
using namespace std;

class Course
{
        public:
                //public accessors
                unsigned short GetNumber();
                void SetNumber(unsigned short number);

                unsigned short GetCredHours();
                void SetCredHours(unsigned short creditHours);
               
                unsigned short GetContHours();
                void SetContHours(unsigned short contactHours);

                unsigned short GetTime();
                void SetTime(unsigned short time);

                unsigned short GetRoom();
                void SetRoom(unsigned short room);

                char GetDescription();
                void SetDescription(char description[50]);
       
                char GetInstructor();
                void SetInstructor(char instructor[50]);               
               
                //public function
                void CourseDatabaseBuild();

        private:
                unsigned short number, creditHours, contactHours, time, room;
                char description[50], instructor[50];
};

class Student
{
        public:
                //public accessors
                unsigned short GetID();
                void SetID(unsigned short student_id);

                char GetName();
                void SetName(char student_name[50]);

        private:
                unsigned short student_id;
                char student_name[50];
};

---

driver.cpp file

Code:

---

#include <iostream>
#include "classes.h"
using namespace std;

Course Coursedb[20];
Student Studentdb[20];
unsigned short i=0, j=0, h=0, k=0,m=0, n=0, p=1;
unsigned short schedule[5], found=0, curStud=0, curCourse=0, number, credHours, time, contHours;
unsigned short schedTotal=0, courseNum, courseTotal, studentTotal, rmNum, ident;
char choice;
char title[50];
char instruc[50];
char name[50];
char description[50];


void BuildCourseDB()
{
        //The function used to build the course database

        //Get first course from user
        cout<<"Enter course number: ";
        cin>>number;
        Coursedb[j].SetNumber(number);
       
       
        //Loop to get all course information until the user types in 999
        while(number != 999 && j <= 20)
        {
            cin.ignore();
                cout<<"Enter course title: ";
                cin.getline(title, 49);
                Coursedb[j].SetDescription(title);

                cout<<"Enter course credit hours: ";
                cin>>credHours;
                Coursedb[j].SetCredHours(credHours);

                cout<<"Enter course meeting time hour (Number entered must be an integer 1-24)";
                cin>>time;
                Coursedb[j].SetTime(time);

                cout<<"Enter total contact hours per week for this course: ";
                cin>>contHours;
                Coursedb[j].SetContHours(contHours);

                cout<<"Enter room number this course is being held in: ";
                cin>>rmNum;
                Coursedb[j].SetRoom(rmNum);
               
                cin.ignore();
        cout<<"Enter instructor for this course: ";
                cin.getline(instruc, 49);
                Coursedb[j].SetInstructor(instruc);
               
                j++;

                //Get second course or loop terminating 999 sentinel
                cout<<"Enter course number: ";
                cin>>number;
                Coursedb[j].SetNumber(number);
        }
        courseTotal = j;
}

void BuildStudentDB()
{
    //Function to build the student database

        //Get first student information from user
        cout<<"Please enter the first Student ID Number: ";
        cin>>ident;
        Studentdb[i].SetID(ident);
       
        //Loop to get all student information until 999 is entered
        while(ident != 999 && i <= 20)
        {
            cin.ignore();
            cout<<"Please enter the name of student "<<ident<<":  ";
                cin.getline(name, 49);
                Studentdb[i].SetName(name);

                i++;
               
                //Next student
                cout<<"Please enter the next Student ID Number: ";
                cin>>ident;
                Studentdb[i].SetID(ident);
        }
        studentTotal = i;
}

void CreateSchedule()
{
    //Function which uses the student database and course database to compile and
    //print out a schedule for each student.
        choice = 'y';
        while((choice == 'y' || choice == 'Y') && curStud <= studentTotal)
        {
                name = Studentdb[curStud].GetName();
                cout<<"Please enter the first course you would like to register "
                        <<name<<" for: ";
                cin>>courseNum;

                while(courseNum != 999)
                {
                        while(h<=courseTotal && found == 0)
                        {
                                number = Coursedb[h].GetNumber();
                                if(courseNum == number)
                                {
                                        found = 1;
                                        schedule[k]=courseNum;
                                        k++;
                                        description = Coursedb[h].GetDescription();
                                        cout<<"Confirmed registration for "<<description<<"."<<endl;
                                }
                                else
                                {
                                        found = 0;
                                        h++;
                                }

                        }
                        h=0;
                        name = Studentdb[curStud].GetName();
                        cout<<"Please enter the first course you would like to register "
                                <<name<<" for: ";
                        cin>>courseNum;
                       
                        schedTotal++;
                        found = 0;
                }
                cout<<endl<<endl<<endl;
                name = Studentdb[curStud].GetName();
                ident = Studentdb[curStud].GetID();
                cout<<"Name: "<<name<<"\tID: "<<ident;
                cout<<endl<<endl;
                k=0;
                n=0;
                while(k <= schedTotal)
                {
                        while(h<=courseTotal)
                        {
                                number = Coursedb[h].GetNumber();
                                if(schedule[n] == number)
                                {
                                        title = Coursedb[h].GetDescription();
                                        instruc = Coursedb[h].GetInstructor();
                                        time = Coursedb[h].GetTime();
                                        credHours = Coursedb[h].GetCredHours();
                                        contHours = Coursedb[h].GetContHours();
                                        rmNum = Coursedb[h].GetRoom();
                                        cout<<number<<"\t"<<title<<"\t"<<instruc<<endl;
                                        cout<<"\tTime: "<<time<<":00\tCredits: "<<credHours<<endl;
                                        cout<<"\tContact Hours: "<<contHours<<"\tRoom: "<<rmNum<<endl;
                                        n++;
                                        h=0;
                                }
                                else
                                        h++;
                        }
                        k++;
                }
                n=0;
                h=0;
                p++;
                if(p<=studentTotal)
                {
                        cout<<"Would you like to enter information for the next student?  (y/n)";
                        cin>>choice;
                        if(choice=='y' || choice=='Y')
                                curStud++;
                }
                else
                        choice='n';
        }       
}

---

main.cpp

Code:

---


#include <iostream>
#include "classes.h"
using namespace std;

int main()
{
        void BuildCourseDB();
        void BuildStudentDB();
        void CreateSchedule();
       
        //Program intro
        cout<<endl<<"Welcome To The University Of Yourstate Registration System" <<endl
                <<"This system will allow you to first build a course database and then register"<<endl
                <<"multiple students into it printing out schedules for each student as you finish.";
        cout<<endl;
        cout<<endl<<endl;
       
        //Course intro
        cout<<"To start, let's build the course database."<<endl
                <<"\tEnter all requested data for each course, when all courses are entered."<<endl
                <<"\tEnter 999 for the following course number and the program will advance."
                <<endl<<endl;

        //Function to build course database
        BuildCourseDB();

        //Student intro
        cout<<endl<<"Great, now that we have our courses done, let's start on the student"<<endl
                <<"registration."<<endl
                <<"\tOnce again enter all requested data for each student. Use the ID 999 "<<endl
                <<"\tto terminate the program."<<endl<<endl;

        //Function to build student database
        BuildStudentDB();
       
        cout<<endl<<endl;
       
       
        //Run function to create the schedule for each student and print it to screen       
  CreateSchedule();


        //Program termination
        cout<<endl<<endl<<"Thank you for using our software, have a great day!"<<endl<<endl;
        return 0;
}

---

Where is classes.cpp?

classes are in the header file classes.h which is the first coding i posted.

But
void SetRoom(unsigned short room);
isn't enough.


Somewhere along the line, you need to actually write some code, not just state it exists

Code:

---

void course::SetRoom ( unsigned short room ) {
  // do stuff
}

---

Every .h file containing a class typically has a .cpp file containing the implementation of that class.