// https://docs.microsoft.com/cs-cz/dotnet/api/system.icomparable.compareto?view=net-5.0
public int CompareTo(object obj)
{
if (obj == null)
return 1;
Object2D obj2d = obj as Object2D;
if (obj2d != null)
return Area().CompareTo(obj2d.Area());
else
throw new ArgumentException("Objects not comparable.");
}
static void Main(string[] args)
{
int[] arr = new int[] { 1, 3, 5, 7, 9 };
Circle[] circleArr = new Circle[] { new Circle(4), new Circle(5), new Circle(1) };
Ellipse[] ellipseArr = new Ellipse[] { new Ellipse(5, 1), new Ellipse(7, 5), new Ellipse(5, 6), new Ellipse(2, 8) };
Rectangle[] rectangleArr = new Rectangle[] { new Rectangle(5, 6), new Rectangle(2, 1), new Rectangle(1, 5) };
Square[] squareArr = new Square[] { new Square(5), new Square(17), new Square(12), new Square(8) };
Triangle[] triangleArr = new Triangle[] { new Triangle(11, 4, 8), new Triangle(5, 6, 11), new Triangle(6, 4, 7) };
Object2D[] object2DArr = new Object2D[] { new Circle(5), new Ellipse(5, 1), new Rectangle(5, 6), new Square(5), new Triangle(11, 4, 8), };
Console.WriteLine("Biggest and smallest circles");
Console.WriteLine(ArrToString(Extreme.Biggest(circleArr).ToArray()));
Console.WriteLine(ArrToString(Extreme.Smallest(circleArr).ToArray()));
Console.WriteLine("\nBiggest and smallest ellipses");
Console.WriteLine(ArrToString(Extreme.Biggest(ellipseArr).ToArray()));
Console.WriteLine(ArrToString(Extreme.Smallest(ellipseArr).ToArray()));
Console.WriteLine("\nBiggest and smallest rectangles");
Console.WriteLine(ArrToString(Extreme.Biggest(rectangleArr).ToArray()));
Console.WriteLine(ArrToString(Extreme.Smallest(rectangleArr).ToArray()));
Console.WriteLine("\nBiggest and smallest squares");
Console.WriteLine(ArrToString(Extreme.Biggest(squareArr).ToArray()));
Console.WriteLine(ArrToString(Extreme.Smallest(squareArr).ToArray()));
Console.WriteLine("\nBiggest and smallest trinagles");
Console.WriteLine(ArrToString(Extreme.Biggest(triangleArr).ToArray()));
Console.WriteLine(ArrToString(Extreme.Smallest(triangleArr).ToArray()));
Console.WriteLine("\nBiggest and smallest objects");
Console.WriteLine(ArrToString(Extreme.Biggest(object2DArr).ToArray()));
Console.WriteLine(String.Join("\n", Extreme.Smallest(object2DArr)));
Console.WriteLine("\nBiggest and smallest integer");
Console.WriteLine(ArrToString(Extreme.Biggest(arr).ToArray()));
Console.WriteLine(String.Join("\n", Extreme.Smallest(arr).ToArray()));
// https://stackoverflow.com/questions/1912128/filter-an-array-in-c-sharp
Console.WriteLine("Filtered values");
Console.WriteLine(ArrToString(arr.Where(e => e > 4 && e < 8).ToArray()));
Console.ReadLine();
}