IEnumerable result = obj.OfType();

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

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {
//Create an object of ArrayList and add the values
            ArrayList obj = new ArrayList();
            obj.Add("Australia");
            obj.Add("India");
            obj.Add("UK");
            obj.Add("USA");
            obj.Add(1);
//ofType() method will return the value only the specific type
            IEnumerable result = obj.OfType();
    //foreach loop is applied to print the value of the item
            foreach (var item in result)
            {
                Console.WriteLine(item);
            }
                Console.ReadLine();
        }
    }
}