042 C# Enum

Enum

enum is an keyword to inform compiler that it is an enumeration. Enumeration consist a set of values  related name constant , it is called enumeration list.The value should be distinct. Enumeration is declared generally under a namespace, but it can be declared under structure and class also. It is a value type object and do not support inheritance. By default for the set of value , enumeration value start from zero  if not specified. Enumeration value can be integer, byte, float , double.Below is the
enumeration with default enumeration value.

Example 1

using System;

namespace student

{

               public class Student

                {

                        enum DayofWeek

                         {

                              Sunday, Monday, Tuesday, Wednesday, Thrusdad, Friday, Saturday

                          };

                          static void Main()

                          {

                             int i = (int)DayofWeek.Tuesday;

                             Console.WriteLine("Value of i is " + i.ToString());

                            Console.ReadKey();

                          }

}

Output :

Value of i is 2

Example 2
Below is the example with first enumeration value 12

using System;

namespace student

{

             public class Student

             {

                    enum DayofWeek

                    {

                             Sunday=12, Monday, Tuesday, Wednesday, Thrusdad, Friday, Saturday

                   };

               static void Main()

              {

               int i = (int)DayofWeek.Tuesday;

               Console.WriteLine("Value of i is " + i.ToString());

               Console.ReadKey();

             }

        }

}