public static void Main() { Console.ForegroundColor = ConsoleColor.Yellow; Console.WriteLine("BNU CO453 Applications Programming 2020-2021!"); Console.WriteLine(); Console.Beep(); Console.WriteLine("1. Distance converter"); Console.WriteLine("2. BMI Calculator"); Console.WriteLine("3. Student Grades"); Console.WriteLine("4. Student Grades"); Console.WriteLine("5. Student Grades"); Console.WriteLine(0); Console.WriteLine("Select an applocation "); string choice = Console.ReadLine(); if (choice == "1") { DistanceConverter converter = new DistanceConverter(); converter.MilesToFeet(); converter.MetresToMiles(); converter.KilometresToMiles(); converter.MilesToFeet2(); converter.MetresToMiles2(); converter.KilometresToMiles2(); converter.MetresTofeet(); converter.FeetToMetres(); } else if (choice == "2") { } else if (choice == "3") { StudentMarks students = new StudentMarks(); students.Run(); } else if (choice == "4") { Socialnet social = new Socialnet(); social.Run(); } else if (choice == "5") { StudentMarks students = new StudentMarks(); students.Run(); } // BMI calculator = new BMI(); // BMI(); // Console.ReadLine(); }