static void Main(string[] args)
{
Console.WriteLine("***** Fun with Polymorphism *****\n");
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle("Cindy");
// Calls base class implementation!
cir.Draw();
// Make an array of Shape-compatible objects.
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick"),
new Circle("Beth"), new Hexagon("Linda") };
// Loop over each item and interact with the
// polymorphic interface.
foreach (Shape s in myShapes)
{
s.Draw();
}
// This calls the Draw() method of the ThreeDCircle.
ThreeDCircle o = new ThreeDCircle();
o.Draw();
// This calls the Draw() method of the parent!
((Circle)o).Draw();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("*** Fun with abstract and virtual Class/methods ***");
Circle cr = new Circle("Big circle");
cr.Draw();
Hexagon hx = new Hexagon("Little Hexagon");
hx.Draw();
Console.WriteLine();
Shape[] MyShapes = { new Hexagon(), new Circle(), new Hexagon("Little"), new Circle("Big") };
foreach (Shape i in MyShapes)
{
i.Draw();
}
Console.WriteLine();
ThreeDCircle o = new ThreeDCircle();
o.Draw();
((Circle)o).Draw();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("**** Fun with Polymorphism ****\n");
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle("Cindy");
cir.Draw();
Console.WriteLine("-----------------------------------");
//Создать массив совместимых с Shape объектов
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick"), new Circle("Beth"), new Hexagon("Linda") };
//Пройти цикл по каждому элементу и взаимодействовать с полиморфным интерфейсом
foreach (Shape s in myShapes)
{
s.Draw();
}
Console.WriteLine("-----------------------------------");
//Здесь вызывается метод Draw из класса ThreeDCircle
ThreeDCircle o = new ThreeDCircle();
o.Draw();
//Здесь вызывается метод Draw() родителя!
((Circle)o).Draw();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Polymorphism *****\n");
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Console.WriteLine();
Circle cir = new Circle("Cindy");
// Calls base class implementation
cir.Draw();
Console.WriteLine();
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick Jaeger"), new Circle("Linda"), new Hexagon("Mc Beth") };
foreach (Shape s in myShapes)
{
s.Draw();
}
Console.WriteLine();
ThreeDCircle d = new ThreeDCircle();
((Circle)d).Draw();
d.Draw();
Console.ReadLine();
}
public static void Main(string[] args)
{
Console.WriteLine(" Understanding Polymorphic Interface");
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle("Cindy");
cir.Draw();
// Make an array of Shape-compatible Objects
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick") };
//Loop over each item and interact with the polymorphic interface
foreach (Shape s in myShapes)
{
s.Draw();
}
// Possibility to trigger the base class implementation of a shadowed member
// using explict cast
// This calls shadowed memeber
ThreeDCircle o = new ThreeDCircle();
o.Draw();
// This calls the Draw method of the Parent
((Circle)o).Draw();
}
static void Main(string[] args)
{
Console.WriteLine("**** Fun with polymorphysm ****");
Hexagon betty = new Hexagon("Betty");
betty.Draw();
Circle nikky = new Circle("Nikky");
nikky.Draw();
Console.WriteLine();
Shape[] myShapes = { new Circle(), new Hexagon(), new Hexagon("Nikky"), new Circle("Betty"), new Hexagon("Jack") };
foreach (Shape s in myShapes)
{
s.Draw();
}
Console.WriteLine();
ThreeDCircle o = new ThreeDCircle();
o.Draw();
((Circle)o).Draw();
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Polymorphism *****\n");
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle(name: "Cindy");
// Calls base class implementation!
cir.Draw();
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick"), new Circle("Beth"), new Hexagon("Linda") };
foreach (Shape s in myShapes)
{
s.Draw();
}
ThreeDCircle o = new ThreeDCircle();
o.Draw();
// This calls the Draw() method of the parent! ((Circle)o).Draw(); Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Polymorphism *****");
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle("Cidny");
cir.Draw();
//Создадим массив объектов типа Shape
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick"), new Circle("Beth"), new Hexagon("Linda") };
//Пройдем по всем элементам массива и
//взаимодействуем с полиморфным массивом
foreach (Shape shape in myShapes)
{
shape.Draw();
}
ThreeDCircle o = new ThreeDCircle();
//Вызываем метод, определенный в ThreeDCircle
o.Draw();
//Вызываем метод, определенный в родительском классе, при помощи явного приведения!
((Circle)o).Draw();
Console.ReadLine();
}
static void Abstract()
{
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("=> Abstract");
Hexagon hex = new Hexagon("Beth"); hex.Draw();
Circle cir = new Circle("Cindy"); cir.Draw();
}
static void Main(string[] args)
{
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle("Cindy");
// Calls base class implementation
cir.Draw();
// Make an array of Shape-compatible objects
Shape[] myShapes = {new Hexagon(), new Circle(), new Hexagon("Mick")
, new Circle("Beth"), new Hexagon("Linda")};
// Loop over each item and interact with the polymorphic interface
foreach (Shape s in myShapes) {
s.Draw();
}
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("***** Fun with Polymorphism *****\n");
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle("Cindy");
// Calls base class implementation!
cir.Draw();
Console.WriteLine();
// Make an array of Shap-compatible objects.
Shape[] myShapes = {new Hexagon(), new Circle(), new Hexagon("Mick"), new Circle("Beth"), new Hexagon("Linda")};
// Loop over each item and interact with
// Polymorphic interface.
foreach (Shape s in myShapes)
{
s.Draw();
}
Console.WriteLine();
// This calls the Draw() method of the ThreeDCircle.
ThreeDCircle o = new ThreeDCircle();
o.Draw();
DrawCircle(o);
Console.WriteLine();
// This calls the Draw() method of the parent!
((Circle)o).Draw();
Circle oCopy = o as Circle;
oCopy.Draw();
Console.WriteLine();
Console.ReadKey();
}
static void Main(string[] args)
{
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle("Cindy");
cir.Draw();
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick"), new Circle("Beth"), new Hexagon("Linda") };
foreach (Shape s in myShapes)
{
s.Draw();
}
ThreeDCircle o = new ThreeDCircle();
o.Draw();
((Circle)o).Draw();
Console.ReadLine();
}
static void Main(string[] args)
{
Hexagon hex = new Hexagon("Beth");
hex.Draw();
Circle cir = new Circle("Cindy");
cir.Draw();
Console.WriteLine();
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick"), new Circle("Beth"), new Hexagon("Linda") };
foreach (Shape s in myShapes)
{
s.Draw();
}
Console.WriteLine();
ThreDCircle c = new ThreDCircle();
c.Draw(); //calls method form 3d circle
Circle c1 = new ThreDCircle();
c1.Draw(); //calls method form circle
Console.ReadLine();
}
static void Main(string[] args)
{
// Note: Cannot create an instance of the abstract class or interface "shape":
// Shape abstShape = new Shape() { };
Console.WriteLine("***** Fun with Polymorphism *****\n");
// make an array of Shape-compatible objects
Shape[] myShapes = { new Hexagon(), new Circle(), new Hexagon("Mick"), new Circle("Beth"), new Hexagon("Linda") };
// Loop over each item (above) and interact with the polymorphic interface
foreach (Shape s in myShapes)
{
s.Draw();
}
Console.WriteLine();
Console.ReadLine();
Console.WriteLine();
Hexagon hex = new Hexagon("Beth");
hex.Draw(); // calls Hexagon.Draw() method()
Circle cir = new Circle("Cindy");
cir.Draw(); // calls base class implementation
// it is still possible to trigger the base class implementation of a shadowed member
// using an explicit cast:
// Example: This calls the Draw() method of the ThreeDCircle:
_3dCircle o = new _3dCircle();
o.Draw();
// Example: This calls the Draw() method of the parent, Circle
((Circle)o).Draw();
// Pause program execution before exit
Console.WriteLine();
Console.ReadLine();
}