using System;
using System.Linq;

namespace ClassExamples {
   class LinqDemo2 {
      public static void Main() {
         int[] array = {0,1,2};

         // select the even elements of the array
         var result = from x in array
                        where x % 2 == 0
                        select x;

         array[0] = 3;

         foreach (int x in result) {
            Console.WriteLine(x);
         }
      }
   }
}