using System;

​

namespace ConsoleApplication15

{

    public class GradeBook

    {

        private string courseName;

        public string CourseName

        {

            get

            {

                return courseName;

            }

            set

            {

                courseName = value;

            }

        }

        public void DisplayMessage()

        {

           Console.WriteLine("Welcome to the grade book for\n{0}!", CourseName);

        }

    }

}

​

namespace ConsoleApplication15

{

    class GradeBookTest

    {

        public static void Main(string[] args)

        {

         GradeBook myGradeBook = new GradeBook();

            Console.WriteLine("Initial course name is : '{0}'\n", myGradeBook.CourseName);

            Console.WriteLine("Please enter the course name:");

            myGradeBook.CourseName = Console.ReadLine();

            Console.WriteLine();

            myGradeBook.DisplayMessage();

        }

    }

}

​

​