Home work - shuffle

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Home_Work
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] numbers = new int[5];
            numbers = FillArray(numbers);

            ShowArray(numbers);
            ShuffleArray(numbers);
            ShowArray(numbers);

            Console.ReadKey();
        }

        static int[] FillArray(int[] numbers)
        {
            Random random = new Random();

            for (int i = 0; i < numbers.Length; i++)
            {
                numbers[i] = random.Next(0, 100);
            }

            return numbers;
        }

        static void ShowArray(int[] numbers)
        {
            foreach(int number in numbers)
            {
                Console.Write(number + " ");
            }

            Console.WriteLine();
        }

        static void ShuffleArray(int[] numbers)
        {
            Random random = new Random();
            int tempNumber;
            int tempPosition;

            for (int i = 0; i < numbers.Length; i++)
            {
                tempPosition = random.Next(0, numbers.Length);
                tempNumber = numbers[i];
                numbers[i] = numbers[tempPosition];
                numbers[tempPosition] = tempNumber;
            }
        }
    }
}