C# Concept of using Out_Keyword

C# Concept of using Out_Keyword

using System;

namespace ConsoleApplicationSample

{

    class ArrayBCA

    {

#region Out_Keyword

        public static string GetNextNameByOut(out int id)

        {

            id = 1;

            string returnText = "Next-" + id.ToString();

            return returnText;

        }

        static void Main(string[] args)

        {

            int i = 0;

            Console.WriteLine("Previous value of integer i:" + i.ToString());

            string test = GetNextNameByOut(out i);

            Console.WriteLine("Current value of integer i:" + i.ToString());

            Console.ReadKey();

        }

        #endregion

       }       

    }

}

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