private void AddUser() { Console.Out.WriteLine("Enter user name"); PrintInputCharacter(); string newUsername = Console.In.ReadLine(); Console.Out.WriteLine("Enter user default password"); PrintInputCharacter(); string newPassword = PasswordHash(Console.In.ReadLine(), kSaltString); if (controller.CheckUserNameExist(newUsername)) { Console.Out.WriteLine("Username exists, please change a new username"); } else { controller.AddUser(newUsername, newPassword); Console.Out.WriteLine("Add user success"); } }