using System;

using System.Collections.Generic;

​

namespace ConsoleApp_FirstApp

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Welcome to Galaxy News!");

            IterateThroughList();

        }

​

        private static void IterateThroughList()

        {

            var theGalaxies = new List<Galaxy>

        {

            new Galaxy() { Name="Tadpole", MegaLightYears=400, GalaxyType=new GType('S')},

            new Galaxy() { Name="Pinwheel", MegaLightYears=25, GalaxyType=new GType('S')},

            new Galaxy() { Name="Cartwheel", MegaLightYears=500, GalaxyType=new GType('L')},

            new Galaxy() { Name="Small Magellanic Cloud", MegaLightYears=.2, GalaxyType=new GType('I')},

            new Galaxy() { Name="Andromeda", MegaLightYears=3, GalaxyType=new GType('S')},

            new Galaxy() { Name="Maffei 1", MegaLightYears=11, GalaxyType=new GType('E')}

        };

​

            foreach (Galaxy theGalaxy in theGalaxies)

            {

                Console.WriteLine(theGalaxy.Name + "  " + theGalaxy.MegaLightYears.ToString().TrimStart('0') + ",  " + theGalaxy.GalaxyType);

            }

​

            // Expected Output:

            //  Tadpole  400,  Spiral

            //  Pinwheel  25,  Spiral

            //  Cartwheel, 500,  Lenticular

            //  Small Magellanic Cloud .2,  Irregular

            //  Andromeda  3,  Spiral

            //  Maffei 1,  11,  Elliptical

        }

    }

​

    public class Galaxy

    {

        public string Name { get; set; }

​

        public double MegaLightYears { get; set; }

        public object GalaxyType { get; set; }

​

    }

    public enum Type { Spiral, Elliptical, Irregular, Lenticular}

​

    public class GType

    {

        public GType(char type)

        {

            switch(type)

            {

                case 'S':

                    MyGType = Type.Spiral;

                    break;

                case 'E':

                    MyGType = Type.Elliptical;

                    break;

                case 'I':

                    MyGType = Type.Irregular;

                    break;

                case 'L':

                    MyGType = Type.Lenticular;

                    break;

                default:

                    break;

            }

        }

        public Type MyGType { get; set; }

        public override string ToString()

        {

            return this.MyGType.ToString();

        }

    }

}