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Multiple Linker Errors with a my Design Classes Project - Need guidance please

brinks56 (4)
I am in my second c++ class in school and I am stuck on my latest project. I want to be upfront and say this is a homework assignment. My teacher said it is okay to look for guidance online and that is what I am graciously looking for.

My problem is the multiple linker errors I am getting when i try to rebuild the project. Below is the list of errors I am getting and below that is the code for my project. I am sorry to post so much code, but I have been on Spring Break for the week so i have not been able to consult my professor and I am really getting frustrated. Any help would be greatly appreciated. I can also post the assignment guidelines if someone needs them.

[Linker error] undefined reference to `Student::setstudentID(int)'
[Linker error] undefined reference to `Student::setfirstname(std::string)'
[Linker error] undefined reference to `Student::setgradeAve(double)'
[Linker error] undefined reference to `Student::setgradeAve(double)'
[Linker error] undefined reference to `Student::setletterGrade(char)'
[Linker error] undefined reference to `Student::setletterGrade(char)'
[Linker error] undefined reference to `Student::setletterGrade(char)'
[Linker error] undefined reference to `Student::setletterGrade(char)'
[Linker error] undefined reference to `Student::setletterGrade(char)'
[Linker error] undefined reference to `Student::count'
[Linker error] undefined reference to `Student::count'
[Linker error] undefined reference to `Student::count'
[Linker error] undefined reference to `Student::count'
[Linker error] undefined reference to `Student::count'
more undefined references to 'Student::count' follow
Id returned 1 exit status
[Build Error] [DesignClasses.exe] Error 1

---MAIN FILE----
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#include <cstdlib>
#include <iostream>
#include <iomanip>
#include "Student.h"

using namespace std;

bool repeat(void);
void gradeaverage (Student object1[], int testaverage1[], double& testsum1);
void printStudent (Student object1[], int testaverage1[], double& testsum1);

int main(int argc, char *argv[])
{
   //Array of max 25 Student Objects
   Student object[25];
   
  bool check = true;   
  int            testaverage[5];
  double         testsum = 0;  
  int            int1;
  string         string1;
  double         double1;
  char           char1;
  
  for (int h = 0; h < 5 ; h++) //setting testaverage equal to 0
  {
      testaverage[h] = 0;
  }    
    for (int i = 0; i < 25 && check; i++) 
    {
        cout << "Please enter the Student Id #: ";
        cin >> int1; 
        cin.ignore (1);
        object[i].setstudentID (int1);
        
        cout << "Please enter first name: ";
        getline (cin, string1);
        object[i].setfirstname (string1);
        
        cout << "Please enter last name: ";
        getline (cin, string1);
        object[i].setlastname (string1);
            
        int array[5];    
        for (int j = 0; j < 5; j++) 
        {
        cout << "Please enter the test score for test " << j + 1 << ": "; 
        cin >> int1;  
        array[j] = int1;  
        }
        object[i].settestscores(array);        
        check = repeat();       
        system ("cls");       
    }  
    system("PAUSE");
    return EXIT_SUCCESS;
}

void gradeaverage (Student object1[], int testaverage1[], double& testsum1)
{    
    for (int i = 0 ; i < object1[1].getcount() ; i++) //Loop equal to count of students - max of 25 students
    {
        for (int j = 0 ; j < 5 ; j++) //Loop for the 5 test scores
        {
            object1[i].setgradeAve (object1[i].getgradeAve() + object1[i].gettestscores(j) );
            object1[i].setgradeAve (object1[i].getgradeAve() / 5); 
            testaverage1[j] += object1[i].gettestscores(j);        
        }
            for (int k = 0 ; k < 5 ; k++)
            {
                testaverage1[k] /= object1[1].getcount();
                testsum1 += testaverage1[k];      
            }    
                 testsum1 /= 5;
       
        if (object1[i].getgradeAve() >= 90)
        {
            object1[i].setletterGrade('A');
        }       
        else if (object1[i].getgradeAve() >= 80)
        {
            object1[i].setletterGrade('B');
        }        
        else if (object1[i].getgradeAve() >= 70)
        {
            object1[i].setletterGrade('C');
        }       
        else if (object1[i].getgradeAve() >= 60)
        {
            object1[i].setletterGrade('D');
        }       
        else
        {
            object1[i].setletterGrade('F');
        }
    }
}

void printStudent (Student object1[], int testaverage1[], double& testsum1)
{
   cout << setw(4) << "ID" <<  "\t" << "Student Name" << "\t" 
        << setw(5) << "1" << "2" << "3" << "4" << "5" 
        << setw(5) << "Avg" 
        << setw(5) << "GRD";
        
        for (int i = 0 ; i < object1[1].getcount() ; i++)
        {
            cout << object1[i].print();
        }          
   cout << "\t" << "Average:" <<  setw(15);
        
        for (int j = 0 ; j < 5 ; j++)
        {
           cout << testaverage1[j]; 
            }  
   cout <<  "\t" << testsum1 << endl;               
     }

// Bool function that will allow user to add another student or end
 bool repeat(void)
         {
          char resp;
          do
            { 
             cout << "Do you want to add another student [Y]es | [N]o\n";
             cin  >> resp;
             cin.ignore(50, '\n');
             resp = tolower(resp);
            }
          while (resp != 'y' && resp != 'n');
    return resp == 'y';
}

----Header FILE----
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#include <iostream>

using namespace std;

class Student 
{
  //Variables    
  private:
  int            studentID;
  string         firstname;
  string         lastname;
  double         gradeAve;
  char           letterGrade;
  static int	 count;
  int            testscores[5];     
  
  
  public:
  //Accessors and Mutators       
  void           setstudentID        (int sID);
  void           setfirstname        (string fname);
  void           setlastname         (string lname);
  void           setgradeAve         (double gAve);
  void           setletterGrade      (char ltrGrade);
  void           settestscores       (int score1[]);
  
  int            getstudentID()           {return studentID;};
  string         getfirstname()           {return firstname;};
  string         getlastname()            {return lastname;};
  double         getgradeAve()            {return gradeAve;};
  char           getletterGrade()         {return letterGrade;};
  int            gettestscores(int score) {return testscores[score];};
  int            getcount ()              {return count;};

  //Default Constructor
  Student();
  
  //Copy Constructor
  Student(const Student&);
  
  //Info Constructor
  Student(int, string, string, double, char, int[]);
  
  //Print method
  string print();
};

----.CPP FILE----
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#include <iostream>
#include <iomanip>
#include <sstream>
#include "Student.h"

using namespace std;

  //Default Constructor
  Student::Student()
{
  studentID         = 0;
  firstname         = " ";
  lastname          = " ";
  gradeAve          = 0;
  letterGrade       = ' ';
  count             += 1;
       for (int i = 0; i < 5 ; i++) 
       {
        testscores[i] = 0;  
       }
}   
  
  //Copy Constructor
  Student::Student(const Student& Student1)
{
  count             += 1;                       
  studentID         = Student1.studentID;
  firstname         = Student1.firstname;
  lastname          = Student1.lastname;
  gradeAve          = Student1.gradeAve;
  letterGrade       = Student1.letterGrade;
       for (int i = 0; i < 5 ; i++) 
       {
        testscores[i] = Student1.testscores[i];  
       } 
}
  
  //Info Constructor
  Student::Student(int sID, string fname, string lname, double gAve, char lGrade, int tscores[])
{
  studentID = sID;
  firstname = fname;
  lastname = lname;
  gradeAve = gAve;
  letterGrade = lGrade ;
  count += 1;
  for (int i = 0; i < 5 ; i++) 
    {
     testscores[i] = tscores[i];  
    } 
} 
  
  //Print method
  string Student::print()
  {
  stringstream strstr;
  strstr << setw(4) << studentID << "\t" << lastname << ", " << firstname << "\t";
  for (int i = 0; i < 5; i++)
  {
	strstr << setw(5) << testscores[i];
	strstr << fixed << showpoint << setprecision(1);
	strstr << setw(5) << gradeAve;
	strstr << setw(5) << letterGrade << endl;
	return strstr.str();
   }
 
}
   
   //Setstudentscores Function
    void Student::settestscores    (int score1[])
 {
 for (int i = 0; i < 5; i++) 
   {
          testscores[i] = score1[i];
   }
}
Branflakes91093 (207)
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void           setstudentID        (int sID);
void           setfirstname        (string fname);
void           setlastname         (string lname);
void           setgradeAve         (double gAve);
void           setletterGrade      (char ltrGrade);

These are all undefined. Define them.

static int count;
Static members of classes need to be initialized outside of the class, unless they are const integral. So just put
int Student::count = 0; // Change 0 to whatever value count should default to
somewhere in Student.cpp.
brinks56 (4)
Thanks for the quick reply. Let me see what I can do now.
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