示例#1
0
        public static void Main(string[] args)
        {
            ///////////////////////////////////////////////////////
            // Instantiate nodes to populate animal shelter queue
            ///////////////////////////////////////////////////////

            AnimalNode <string> catPreference = new AnimalNode <string>("cat");
            AnimalNode <string> dogPreference = new AnimalNode <string>("dog");

            // Instantiate and populate animal shelter queue
            AnimalShelter <string> animalShelter = new AnimalShelter <string>(catPreference);

            // Populate shelter with mix of dogs and cats
            animalShelter.EnqueueAnimal(dogPreference);
            animalShelter.EnqueueAnimal(dogPreference);
            animalShelter.EnqueueAnimal(catPreference);
            animalShelter.EnqueueAnimal(dogPreference);
            animalShelter.EnqueueAnimal(dogPreference);

            Console.WriteLine("");
            Console.WriteLine($"Front: {animalShelter.Front.Value}");
            Console.WriteLine($"Rear: {animalShelter.Rear.Value}");
            Console.WriteLine("");

            ///////////////////////////////////////////
            // Beginning of console app UI
            ///////////////////////////////////////////

            Console.WriteLine("Please enter the animal you would like: dog or cat.");

            try
            {
                // Take in user input
                string pref = Console.ReadLine();

                while (pref.ToLower() != "dog" && pref.ToLower() != "cat")
                {
                    Console.WriteLine("Please choose either 'dog' or 'cat'. Or press 'X' to exit the program.");
                    pref = Console.ReadLine();
                    if (pref.ToLower() == "x")
                    {
                        Environment.Exit(0);
                    }
                }

                // Instantiate animal node with value input by user
                AnimalNode <string> preferredAnimal = new AnimalNode <string>(pref);

                // Dequeue user's preferred type of animal and store in variable
                //AnimalNode<string> dequeuedAnimal = DequeueAnimal(animalShelter, preferredAnimal);
                AnimalNode <string> dequeuedAnimal = animalShelter.DequeueAnimal(preferredAnimal);


                Console.WriteLine($"You've successfully gotten your new {dequeuedAnimal.Value} from the shelter!\n");
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
        }