Exemplo n.º 1
0
 private static bool DogIsSpecial(Dog d)
 {
     return(d.Breed == "Golden Retriever" && d.Weight > 20 && d.DateOfBirth < new DateTime(2000, 1, 1));
 }
Exemplo n.º 2
0
        static void Main(string[] args)
        {
            while (true)
            {
                Console.WriteLine("MENU\n");


                Console.WriteLine("1. Get Male Dogs");
                Console.WriteLine("2. Get Female Dogs");
                Console.WriteLine("3. Get Dogs By Breed");
                Console.WriteLine(" ---- LINQ WAY ---- ");
                Console.WriteLine("4. Get Male Dogs");
                Console.WriteLine("5. Get Female Dogs");
                Console.WriteLine("6. Get Dogs By Breed");
                Console.WriteLine("7. Name of youngest golden retriever.");
                Console.WriteLine("8. Names of all dogs");

                Console.Write("PICK AN OPTION: ");
                string input = Console.ReadLine();

                Console.Clear();

                var pack = Dog.GetAllDogs();

                switch (input)
                {
                case "1":
                    var maleDogs = GetMaleDogs(pack);
                    PrintToScreen("MALE DOGS:", maleDogs);
                    break;

                case "2":
                    var femaleDogs = GetFemaleDogs(pack);
                    PrintToScreen("FEMALE DOGS: ", femaleDogs);
                    break;

                case "3":
                    Console.Write("TYPE A BREED: ");
                    input = Console.ReadLine();
                    var breedDogs = GetDogsByBreed(pack, input);
                    PrintToScreen("DOGS BY BREED: ", breedDogs);
                    break;

                // LINQ

                case "4":
                    var maleDogsResult = pack.Where(dog => dog.IsMale);
                    PrintToScreen("MALE DOGS THE LINQ WAY: ", maleDogsResult);
                    break;

                case "5":
                    var femaleDogsResult = pack.Where(dog => !dog.IsMale);
                    PrintToScreen("FEMALE DOGS THE LINQ WAY: ", femaleDogsResult);
                    break;

                case "6":
                    Console.Write("TYPE A BREED: ");
                    input = Console.ReadLine();

                    var dogsByBreed = pack.Count(dog => dog.Breed == input);
                    Console.WriteLine($"There are {dogsByBreed} {input}s");
                    break;

                case "7":
                    //var firstLab = pack.First(d => d.Breed == "Lab");
                    var nameOfYoungestGoldenRetriever = pack.Where(dog => dog.Breed == "Golden Retriever")
                                                        .Where(dog => dog.DateOfBirth < new DateTime(2000, 1, 1))
                                                        .Where(dog => dog.Weight > 20)
                                                        .OrderByDescending(dog => dog.DateOfBirth)
                                                        .First()
                                                        .Name;

                    Console.WriteLine("The name of the youngest golden retriever is: " + nameOfYoungestGoldenRetriever);

                    break;

                case "8":
                    pack.ToList().ForEach(dog =>
                    {
                        dog.Name = dog.Name.ToUpper();
                    });
                    var namesOfDogs = pack.Select(d => d.Name).ToList();
                    namesOfDogs.ForEach(s => Console.WriteLine(s));
                    break;
                }



                Console.ReadLine();
                Console.Clear();
            }
        }