public static void Run()
        {
            int userInput = 0;


            do
            {
                //get the selection
                userInput = DisplayMenu();


                switch (userInput)
                {
                case 1:     //for a new Applicant; to get their information
                    ApplicantMenu.AddApplicant();
                    break;

                case 2:     //for when an applicant returns; can look up their info using their ID#
                    ApplicantService.RetrieveApplicantInfo();
                    //Remember to provide way for user to exit program again
                    break;

                case 3:
                    Console.WriteLine("Exiting...");
                    System.Threading.Thread.Sleep(2000);
                    break;

                default:
                    Console.Clear();
                    Console.WriteLine();
                    Console.WriteLine(" Error: Invalid Choice");
                    System.Threading.Thread.Sleep(1000);
                    break;
                    //test
                }
            } while (userInput != 3);
        }