static void Main(string[] args)
{
//UseDelegate.InvokeDelegate();
List <Mammal> zoo = new List <Mammal>
{
new Tiger("Vasily"),
new Lion("Leo"),
new Feline(Color.Dotted, "Jagg")
};
foreach (Feline feline in zoo)
{
Tiger t = feline as Tiger;
Console.WriteLine(t?.Name.ToString() ?? "Это - не тигр");
}
}
static void Main(string[] args)
{
//Console.WriteLine("Main method in Register class ...");
Tiger[] tigers = new Tiger[]
{
new Tiger(42, 50, 7),
new Tiger(101, 53, 3),
new HelmetTiger(101010, 60, 6),
new HelmetTiger(666, 59, 5, new Helmet(20, 2))
};
//Iterate through the array (foreach), print each tiger
//Polymorphism / Polymorphie: Call subclass method via baseclass reference
//Polymorphie nur mit dynamischer Bindung (= virtuelle Methoden)!
foreach (Tiger tiger in tigers)
{
Console.WriteLine("{0}", tiger);
//Test if current tiger is a HelmetTiger:
//Console.WriteLine("Is HelmetTiger: {0}", tiger is HelmetTiger);
//Try to cast from baseclass to subclass => down-cast
HelmetTiger helmetTiger = tiger as HelmetTiger;
if (helmetTiger != null)
{
Console.WriteLine("Is HelmetTiger: {0}", helmetTiger.TigerHelmet);
}
}
//Create a new register from the existing array:
Register reg = new Register(tigers);
//Print second tiger from register via indexer:
Console.WriteLine("Second tiger: {0}", reg[1]);
Tiger firstSearchTiger = reg.FindTiger(666);
Tiger secondSearchTiger = reg.FindTiger(777);
Console.WriteLine("Tiger with ID 666: {0}", firstSearchTiger);
Console.WriteLine("Tiger with ID 777: {0}", secondSearchTiger);
}