static void Main(string[] args) { ArtQueue queue = new ArtQueue(); queue.Enqueue("Arthur"); queue.Enqueue("Shelley"); queue.Enqueue("Katie"); Console.WriteLine("There are " + queue.Length + " people in line. " + queue.PeekAtFront() + " is in front."); queue.Dequeue(); Console.WriteLine("There are " + queue.Length + " people in line. " + queue.PeekAtFront() + " is in front."); queue.Dequeue(); Console.WriteLine("There are " + queue.Length + " people in line. " + queue.PeekAtFront() + " is in front."); queue.Dequeue(); Console.WriteLine("There are " + queue.Length + " people in line. " + queue.PeekAtFront() + " is in front."); }