static void Main(string[] args) { Type boxType = typeof(Box); FieldInfo[] fields = boxType.GetFields(BindingFlags.NonPublic | BindingFlags.Instance); Console.WriteLine(fields.Count()); try { var boxParams = new double[3]; for (int i = 0; i < 3; i++) { boxParams[i] = double.Parse(Console.ReadLine()); } var box = new Box(boxParams[0], boxParams[1], boxParams[2]); Console.WriteLine($"Surface Area - {box.GetSurfaceArea():F2}"); Console.WriteLine($"Lateral Surface Area - {box.GetLateralSurfaceArea():F2}"); Console.WriteLine($"Volume - {box.GetVolumeArea():F2}"); } catch (ArgumentException ae) { Console.WriteLine(ae.Message); } }