using System;

using System.Linq;

using System.Collections.Generic;

public class MainClass {

    public static void Main() {

        string[] strings = { "one", "two","three" };

​

        Console.WriteLine("Before Where() is called.");

        IEnumerable<string> ieStrings = strings.Where(s => s.Length == 3);

        Console.WriteLine("After Where() is called.");

​

        foreach (string s in ieStrings) {

            Console.WriteLine("Processing " + s);

        }

​

    }

}