using System;
using System.Collections;
using System.Linq;
using System.ComponentModel;
class MainClass
{
static void Main()
{
ArrayList list = new ArrayList { "First", "Second", "Third"};
var strings = list.Cast();
foreach (string item in strings)
{
Console.WriteLine(item);
}
list = new ArrayList { 1, "not an int", 2, 3};
var ints = list.OfType();
foreach (int item in ints)
{
Console.WriteLine(item);
}
}
}