int result = objList.ElementAtOrDefault(1);

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApp1
{
    class Program1
    {
        static void Main(string[] args)
        {
//create an array 'a' type of int having the values at specified 5 index
            int[] a = { 1, 2, 3, 4, 5,6 };
//ElementAtOrDefault() method will return the value from the specified index
            int result = a.ElementAtOrDefault(1);
            int val = a.ElementAtOrDefault(3);
/*here ElementAtOrDefault() method will return the default value '0'
    because the  array 'a' does not contain any value at index 10 position*/
            int val1 = a.ElementAtOrDefault(10);
            Console.WriteLine("Element At Index 1: {0}", result);
            Console.WriteLine("Element At Index 3: {0}", val);
            Console.WriteLine("Element At Index 10: {0}", val1);
            Console.ReadLine();
        }
    }
}