static void Main(string[] args) { User alice = new User("Alice", "Password"); alice.Hello(); //Console.WriteLine(alice.ToString()); //Console.WriteLine(alice._PassWord); Student bob = new Student("bob", "Password"); bob.Hello(); User test1 = new Student(); test1.Hello(); User st1 = new User(); st1._UserName = "******"; User st2 = new User(); st2._UserName = "******"; User st3 = new User(); st3._UserName = "******"; MagicList <User> MagicListUser = new MagicList <User>(); MagicListUser.Add(st1); MagicListUser.Add(st2); MagicListUser.Add(st3); Console.WriteLine(MagicListUser.ChooseRandom()); }