using System.Collections.Generic;

using System;

using System.Linq;

namespace LINQDemo

{

    class Program

    {

        static void Main(string[] args)

        {

            int[] intArray = new int[] { 10, 30, 50, 40,60,20,70,100 };

            Console.WriteLine("Before Reverse the Data");

            foreach (var number in intArray)

            {

                Console.Write(number + " ");

            }

            Console.WriteLine();

            IEnumerable<int> ArrayReversedData = intArray.Reverse();

            Console.WriteLine("After Reverse the Data");

            foreach (var number in ArrayReversedData)

            {

                Console.Write(number + " ");

            }

            Console.WriteLine("After Reverse the Data - initial collection");

            foreach (var number in intArray)

            {

                Console.Write(number + " ");

            }

            Console.ReadKey();

        }

    }

}