3. Enum in C#. Enum is short for "enumerations , which means "specifically listed"

/*

An enum is a special "class" that represents a group of constants

(unchangeable/read-only variables).

*/

 using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace @enum.cs

{

    class Program

    {

          public enum days {Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunady};

          public enum Cities { Rajkot = 79, Junagadh = 56, Gondal = 44, Jetpur = 33, Morbi = 51 };

    

        static void Main(string[] args)

        {

            days day = days.Friday; //access enum items with the dot (.)

            Cities city = Cities.Junagadh;

            Console.WriteLine((int)day);

            Console.WriteLine("City = {0}, Value = {1}", city, (int)city);

            Console.WriteLine("City = " + city + ", Value = " + (int)city);

            Console.Read();

        }

    }

}