Where by Prototype : Prototype « LINQ « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. LINQ
3. Prototype

using System;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass {
    public static void Main() {
        string[] presidents = {"Ad", "Ar", "Bu", "Bu", "Ca", "Cl"};

        IEnumerable<string> sequence = presidents.Where((p, i) => (i & 1) == 1);

        foreach (string s in sequence)
            Console.WriteLine("{0}", s);

    }
}