static void Main(string[] args)
{
Quadrilaterial rect = new Rectangle();
Console.WriteLine(rect.WhatAmI());
var quad1 = new Quadrilaterial(3, 4, 6, 5);
Console.WriteLine($"The Perimeter of the quad is {quad1.Perimeter()}");
var rect1 = new Rectangle(5, 3);
Console.WriteLine($"The Perimeter of the quad is {rect1.Perimeter()}");
Console.WriteLine($"The Area of the quad is {rect1.Area()}");
var sqr1 = new Square(4);
Console.WriteLine($"The Perimeter of the quad is {sqr1.Perimeter()}");
Console.WriteLine($"The Area of the quad is {sqr1.Area()}");
Console.WriteLine($"The sqr1 is {sqr1.WhatAmI()}");
Console.WriteLine($"The rect1 is {rect1.WhatAmI()}");
Console.WriteLine($"The quad1 is {quad1.WhatAmI()}");
var collection = new Quadrilaterial[] {
rect, sqr1, rect1, quad1
};
foreach (Quadrilaterial shape in collection)
{
Console.WriteLine($"The shape is {shape.WhatAmI()}.");
}
//Working with Interfaces
var geoShapes = new IGeometricShape[] {
new Circle(1), new Circle(2), new Rectangle(3, 7), new Square(5)
};
var geoShapes2 = new IGeometricShape[2];
geoShapes2[0] = new Circle(3);
geoShapes2[1] = new Circle(4);
geoShapes2.Prepend(new Circle(5));
foreach (var shape in geoShapes)
{
Console.WriteLine($"The Perimiter is {shape.Perimeter()}. The area is {shape.Area()}");
}
var square = rect1 as Square;
if (square is null)
{
Console.WriteLine("The value is null");
}
var rectComp = new RectComp(3, 9);
Console.WriteLine($"The perimeter of rect comp is {rectComp.Perimeter()}");
Console.WriteLine($"The Area of rect comp is {rectComp.Area()}");
}
public RectComp(uint side1, uint side2)
{
this.quadrilaterial = new Quadrilaterial(side1, side2, side1, side2);
}
