// Fig 3.1 from D & D
// Scott Emrich
// This is a basic C++ program introducing classes

#include <iostream>

using std::cout;  // introduce the namespace for cout and endl 
using std::endl;

// definition of our class called GradeBook:
// NOTE:  All words are capitalized as per D & D (also called "camelcase")
class GradeBook
{                 
public:

  // simple function that displays a message to the user
  // NOTE:  by D & D convention, first char of function lower, others uppercase
  void displayMessage() {

    cout << "Welcome to the grade book!" << endl;

  }

};  // NOTE:  class ended with a ";"

// our main program that is executed
int main () {

  // NOTE:  We must create an object before we can call the class functions

  GradeBook myGradeBook;    // create a GradeBook object

  myGradeBook.displayMessage();  // call this object's function

  return (0);  // yay!  it worked! (we think....)

}  // end of main function