arr.cs

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

namespace arrays
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] arr = new int[5] { 1, 2, 3, 4, 5 };
            int[] arr2 = new int[5]; 
            Array.Reverse(arr); 
            foreach(var i in arr) { Console.WriteLine(i); }
            Console.WriteLine("======================");
            copy_arr_to_arr(ref arr, ref arr2);
            foreach(var i in arr2) { Console.WriteLine(i); }
            Console.ReadLine();
        }

        public static void copy_arr_to_arr(ref int[] arr, ref int[] arr2)
        {
            Array.Reverse(arr);
            arr2 = arr; 
        }
    }
}