static void Main()
{
Shape[] shapes = new Shape[3];
shapes[0] = new Rectangle(3, 4);
shapes[1] = new Triangle(3, 4);
shapes[2] = new Circle(4);
foreach (var shape in shapes)
{
Console.WriteLine("{0}: {1:F2}", shape.GetType().Name, shape.CalculateSurface());
}
}
static void Main()
{
Shape[] shapesArr = new Shape[]
{
new Triangle(5,4),
new Rectangle(5,6),
new Circle(6)
};
foreach (var item in shapesArr)
{
Console.WriteLine(item.CalculateSurface());
}
}