static void MakeShapeHollow(Shape s)
{
if (s.Area() > s.Perimeter())
{
s.MakeHollow();
}
}
/// <summary>
/// Сравнение элементов.
/// </summary>
/// <param name="obj">правый параметр сравнения</param>
/// <returns> -1 - если левый параметр меньше правого
/// 0 - параметры равны
/// 1 - если левый параметр больше правого
/// </returns>
public int CompareTo(object obj)
{
Shape p = (Shape)obj;
if (this.Area() < p.Area())
{
return(-1);
}
else if (this.Area() == p.Area())
{
return(0);
}
else
{
return(1);
}
}
static void Main(string[] args)
{
Shape undefShape = new Shape();
Console.WriteLine(undefShape.NameOfShape());
Console.WriteLine(undefShape.AmmountOfSides());
Console.WriteLine(undefShape.Area());
Console.WriteLine(undefShape.Circumference());
Console.WriteLine(undefShape.AStringIwantToKeep());
Console.WriteLine("----------");
//undefShape.NumberOfSides = 3; This shouldn't work. And it doesn't. So it works as expected.
Line line = new Line();
Console.WriteLine(line.NameOfShape());
Console.WriteLine(line.AmmountOfSides());
Console.WriteLine(line.Area());
Console.WriteLine(line.Circumference());
Console.WriteLine(line.AStringIwantToKeep());
Console.WriteLine("----------");
Square firstSquare = new Square();
firstSquare.A = 5;
firstSquare.B = 10;
Console.WriteLine(firstSquare.NameOfShape());
Console.WriteLine(firstSquare.AmmountOfSides());
Console.WriteLine(firstSquare.Area());
Console.WriteLine(firstSquare.Circumference());
Console.WriteLine(firstSquare.AStringIwantToKeep());
firstSquare.A = 15;
Console.WriteLine(firstSquare.Area());
Console.WriteLine(firstSquare.Circumference());
Console.WriteLine("----------");
Square secondSquare = new Square(7, 2);
Console.WriteLine(secondSquare.NameOfShape());
Console.WriteLine(secondSquare.AmmountOfSides());
Console.WriteLine(secondSquare.Area());
Console.WriteLine(secondSquare.Circumference());
Console.WriteLine(secondSquare.AStringIwantToKeep());
secondSquare.A = 15;
Console.WriteLine(secondSquare.Area());
Console.WriteLine(secondSquare.Circumference());
Console.ReadLine();
}
private static void Calculate(Shape shape)
{
shape.Area();
shape.Perimeter();
Console.WriteLine();
}