using System;

public class Program

{

    public static void Main()

    {

        var q = new Energy.Base.Queue();

        var o1 = "123";

        var o2 = "abc";

        // insert object into queue by calling Push()

        q.Push(o1);

        q.Push(o2);

        q.Push(o1);

        q.Push(o2);

        q.Push(o2);

        q.Push(o2);

        object o;

        // retreive object from queue by calling Pull()

        while (null != (o = q.Pull()))

        {

            Console.WriteLine(o);

        }

    }

}