using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        Queue<string> planets = new Queue<string>();

        // Add items for testing

        planets.Enqueue("Mercury");

        planets.Enqueue("Venus");

        planets.Enqueue("Earth");

​

​

        Console.WriteLine("-----Loop 1-----"); 

        foreach (var planet in planets)

            Console.WriteLine(planet);

​

        Console.WriteLine("-----Loop 2-----"); 

        // iterate a Queue by converting it into an Array

        foreach (var planet in planets.ToArray())

            Console.WriteLine(planet); 

​

​

    }

}