#include <iostream>
 #include <string> // class GradeBook uses C++ standard string class
 using namespace std;
 
// GradeBook class definition
class GradeBook
{
  public:
    // constructor initializes courseName with string supplied as argument
    GradeBook( string name )
    {
       setCourseName( name ); // call set function to initialize courseName
    } // end GradeBook constructor

    // function to set the course name
    void setCourseName( string name )
    {
       courseName = name; // store the course name in the object
    } // end function setCourseName

    // function to get the course name
    string getCourseName()
    {
       return courseName; // return object's courseName
    } // end function getCourseName

    // display a welcome message to the GradeBook user
    void displayMessage()
    {
       cout << "Welcome to the grade book for\n" << getCourseName()
       << "!" << endl;
    } // end function displayMessage
  private:
   string courseName; // course name for this GradeBook
}; // end class GradeBook