static void Main(string[] args)
{
System.Threading.Thread.CurrentThread.CurrentCulture = new System.Globalization.CultureInfo("en-US");
Animal jaba = new Frog("baba jaba", 1, Gender.Female);
Animal kekerica = new Frog("kekerica", 3, Gender.Female);
Animal sharo = new Dog("sharo", 3, Gender.Male);
Animal sara = new Dog("sara", 2, Gender.Female);
Animal oldy = new Dog("oldy", 12, Gender.Male);
Animal puhi = new Kitten("puhi", 2);
Animal tommy = new TomCat("tommy", 4);
Animal mouseKiller = new Cat("mousy", 5, Gender.Male);
List <Animal> animals = new List <Animal>()
{
jaba,
kekerica,
sharo,
sara,
puhi,
tommy,
mouseKiller,
oldy
};
var groupedAnimals = from animal in animals
group animal by(animal is Cat) ? typeof(Cat) : animal.GetType() into gr
select new { GroupName = gr.Key, AverageAge = gr.ToList().Average(an => an.Age) };
foreach (var animal in groupedAnimals)
{
Console.WriteLine("{0} - average age: {1:N2}", animal.GroupName.Name, animal.AverageAge);
}
}
static void Main(string[] args)
{
Console.WriteLine("\n封装、继承、多态");
Cat cat = new Cat("cat_name");
cat.ShoutNum = 6;
cat.Shout();
Console.WriteLine("\n接口");
MachineCat machineCat = new MachineCat("Ding dang");
machineCat.ShoutNum = 5;
machineCat.ChangeThing("Time.");
Console.WriteLine("\n集合与泛型");
Register register = new Register();
register.register();
register.competition();
Console.WriteLine("\n委托与事件");
TomCat tomCat = new TomCat("Tom");
Mouse mouse1 = new Mouse("Jerry");
Mouse mouse2 = new Mouse("Jack");
// 将Mouse的Run方法通过实例化委托TomCat.TomCatShouEventHandler登记到tomCat的TomCatShout当中
tomCat.TomCatShout += new TomCat.TomCatShouEventHandler(mouse1.Run);
tomCat.TomCatShout += new TomCat.TomCatShouEventHandler(mouse2.Run);
tomCat.Shout();
}
static void Main(string[] args)
{
try
{
Frog Goshko = new Frog("Goshko", 10, "male");
Frog Dimitrur = new Frog("Dimitur", 6, "male");
Frog Minka = new Frog("Minka", 3, "female");
Dog Rex = new Dog("Rex", 1, "male");
Dog Hunter = new Dog("Hunter", 5, "male");
Dog Blondie = new Dog("Blondie", 3, "female");
Kitten Puxy = new Kitten("Puxy", 2);
Kitten Dazzy = new Kitten("Dazzy", 5);
Kitten Tuffy = new Kitten("Tuffy", 4);
TomCat Tom = new TomCat("Tom", 4);
TomCat Djeramaia = new TomCat("Djeramaia", 1);
TomCat Virgin = new TomCat("Virgin", 7);
IList <Animal> animals = new List <Animal>
{
Goshko, Dimitrur, Minka, Rex, Hunter, Blondie, Puxy, Dazzy, Tuffy, Tom, Djeramaia, Virgin
};
Goshko.ProduceSound();
Rex.ProduceSound();
Puxy.ProduceSound();
Tom.ProduceSound();
double catsAverageAge = animals
.Where(animal => animal is Cat)
.Average(cat => cat.Age);
double dogsAverageAge = animals
.Where(animal => animal is Dog)
.Average(dog => dog.Age);
double frogsAverageAge = animals
.Where(animal => animal is Frog)
.Average(frog => frog.Age);
Console.WriteLine("Frogs average age is: {0:F2}", frogsAverageAge);
Console.WriteLine("Dogs average age is: {0:F2}", dogsAverageAge);
Console.WriteLine("Cats average age is: {0:F2}", catsAverageAge);
}
catch (ArgumentOutOfRangeException ae)
{
Console.WriteLine(ae.Message);
}
catch (ArgumentNullException ae)
{
Console.WriteLine(ae.Message);
}
catch (ArgumentException ae)
{
Console.WriteLine(ae.Message);
}
}
static void Main()
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Test The Animals...");
Console.ResetColor();
Console.WriteLine();
TomCat tomy = new TomCat("Tom", 3);
Console.WriteLine("TomCat - " + tomy);
tomy.ProduceSound();
Console.WriteLine();
Dog rex = new Dog("Rex", 5, Gender.Male);
Console.WriteLine("Dog - " + rex);
rex.ProduceSound();
Console.WriteLine();
Frog flip = new Frog("Flip", 1, Gender.Male);
Console.WriteLine("Frog - " + flip);
flip.ProduceSound();
Console.WriteLine();
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Average Age...");
Console.ResetColor();
Console.WriteLine();
List<Cat> listOfCats = new List<Cat>();
listOfCats.Add(new Cat("Joney", 5, Gender.Male));
listOfCats.Add(new Cat("Mike", 1, Gender.Male));
listOfCats.Add(new Cat("Simi", 5, Gender.Female));
double catsAverageAge = listOfCats.Average(x => x.Age);
Console.WriteLine("List Of Cats Average Age: {0}", catsAverageAge);
List<Dog> listOfDogs = new List<Dog>();
listOfDogs.Add(new Dog("Sharko", 3, Gender.Female));
listOfDogs.Add(new Dog("Foxy", 1, Gender.Female));
listOfDogs.Add(new Dog("Tommy", 5, Gender.Male));
double dogsAverageAge = listOfDogs.Average(x => x.Age);
Console.WriteLine("List Of Dogs Average Age: {0}", dogsAverageAge);
Console.WriteLine();
}
private static Animal[] CreateArray(int size)
{
var output = new Animal[size];
for (int i = 0; i < size; i++)
{
var name = Generators.GenerateName(random);
var age = random.Next(0, 21);
var sex = random.Next(0, 2);
var type = random.Next(0, 6);
Animal animal;
try
{
switch (type)
{
case 0:
animal = new Cat(name, age, (SexType)sex);
break;
case 1:
animal = new Kitten(name, age, (SexType)sex);
break;
case 2:
animal = new TomCat(name, age, (SexType)sex);
break;
case 3:
animal = new Dog(name, age, (SexType)sex);
break;
default:
animal = new Frog(name, age, (SexType)sex);
break;
}
}
catch (ArgumentException)
{
continue;
}
output[i] = animal;
}
return(output);
}
