Program.cs

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

namespace Iterator
{
    class Program
    {
        static void Main(string[] args)
        {
            // Build a collection of jelly beans
            JellyBeanCollection collection = new JellyBeanCollection();
            collection[0] = new JellyBean("Cherry");
            collection[1] = new JellyBean("Bubble Gum");
            collection[2] = new JellyBean("Root Beer");
            collection[3] = new JellyBean("French Vanilla");
            collection[4] = new JellyBean("Licorice");
            collection[5] = new JellyBean("Buttered Popcorn");
            collection[6] = new JellyBean("Juicy Pear");
            collection[7] = new JellyBean("Cinnamon");
            collection[8] = new JellyBean("Coconut");

            // Create iterator
            JellyBeanIterator iterator = collection.CreateIterator();

            Console.WriteLine("Gimme all the jelly beans!");

            for (JellyBean item = iterator.First();
                !iterator.IsDone; item = iterator.Next())
            {
                Console.WriteLine(item.Flavor);
            }

            Console.ReadKey();
        }
    }
}