t.cpp

//Fig.3.1:fig03_01.cpp
//Define class GradeBook with a member function displayMessage,
//cteate a Gradebook object, and call its display Message function.
#include<iostream>
using namespace std;

//GradeBook class definition
class Gradebook
{
public:
	//function that displays a welcome message to the GradeBook user
	void displayMessage() const
	{
		cout << "Welcome to the Grade Book!" << endl;
	}; // end function displayMessage
}; // end class GradeBook

//function main begins program execution
int main()
{
	Gradebook myGradeBook; // create a Gradebook object named myGradeBook
	myGradeBook.displayMessage(); // call object's displayMessage function
} // end main