using System;

using System.Collections;

​

namespace Demo

{

    public class Program

    {

        public static void Main()

        {

            Queue q = new Queue();

​

            q.Enqueue("John"); 

            q.Enqueue("Alice");

​

            foreach (string s in q)

            {

                Console.WriteLine(s);

            }

​

            Console.WriteLine();

            Console.ReadKey();

​

        }

    }

}