#include <iostream>
using std::cout;
using std::cin;
using std::endl;

#include <string>
using std::string;
using std::getline;

class GradeBook
{
public:

void displayMessage()
{
cout << "Welcome to the grade book for course: " << getCourseName()
<< endl;
}

void setCourseName( string name )
{
courseName = name;
}

string getCourseName()
{
return courseName;
}

private:
string courseName;
};

int main()
{
GradeBook myBook;
string myCourseName;

cout << "The initial course name is: " << myBook.getCourseName() << endl;

cout << "Enter new course name: ";
getline( cin, myCourseName );

myBook.setCourseName( myCourseName );
myBook.displayMessage; /* THIS IS WHERE I GET MY ERROR */

return 0;

}