using System;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        string[] morePlanets = {"Mercury", "Venus", "Earth"}; // Array

        Queue<string> planets; // declaration

        planets = new Queue<string>(morePlanets); // initialization

        planets.Enqueue("Mars");

        planets.Enqueue("Jupiter");

​

        // Print items in the collection

        foreach (var planet in planets)

            Console.WriteLine(planet);

    }

}