Lesson: shuffle

using System;

namespace CSLight_4._3
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] arr = { 1, 2, 3, 4, 5, 6, 7, 8 };

            Shuffle(arr);

            for (int i = 0; i < arr.Length; i++)
            {
                Console.Write(arr[i]);
            }
        }

        public static void Shuffle(int[] arr)
        {
            Random rand = new Random();

            for (int i = 0; i < arr.Length; i++)
            {
                int randIndex = rand.Next(i + 1);

                int tempVariable = arr[randIndex];
                arr[randIndex] = arr[i];
                arr[i] = tempVariable;
            }
        }
    }
}