using System;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main(string[] args)

    {

        int[] array1 = {1,2};

        int[] array2 = {1,2};

        Console.WriteLine(array1 == array2);

        Console.WriteLine(Enumerable.SequenceEqual(array1, array2));

    }   

}