public object Clone()
{
Square s = new Square(this.Side);
return s;
}
static void Main()
{
// Create a Square object.
Square s1 = new Square(21.75);
Console.WriteLine("Original square: \n\tside = {0} \n\tperimeter = {1} \n\tarea = {2}", s1.Side, s1.Perimeter, s1.Area);
// Copy the Square object to a new object.
Square s2 = (Square) Copy(s1);
Console.WriteLine("Copied square: \n\tside = {0} \n\tperimeter = {1} \n\tarea = {2}", s2.Side, s2.Perimeter, s2.Area);
Console.WriteLine();
// Modify the side of the second square and display them both again.
s2.Side = 24.25;
Console.WriteLine("Original square: \n\tside = {0} \n\tperimeter = {1} \n\tarea = {2}", s1.Side, s1.Perimeter, s1.Area);
Console.WriteLine("Copied square: \n\tside = {0} \n\tperimeter = {1} \n\tarea = {2}", s2.Side, s2.Perimeter, s2.Area);
Console.WriteLine();
// Create a Circle object
Circle c1 = new Circle(9.8723472);
Console.WriteLine("Original circle: \n\tradius = {0} \n\tcircumference = {1} \n\tarea = {2}", c1.Radius, c1.Circumference, c1.Area);
// Copy the Circle object to a new object.
Circle c2 = (Circle)Copy(c1);
Console.WriteLine("Copied circle: \n\tradius = {0} \n\tcircumference = {1} \n\tarea = {2}", c2.Radius, c2.Circumference, c2.Area);
Console.WriteLine();
// Modify the radius of the second circle and display them both again.
c2.Radius = 14.172371;
Console.WriteLine("Original circle: \n\tradius = {0} \n\tcircumference = {1} \n\tarea = {2}", c1.Radius, c1.Circumference, c1.Area);
Console.WriteLine("Copied circle: \n\tradius = {0} \n\tcircumference = {1} \n\tarea = {2}", c2.Radius, c2.Circumference, c2.Area);
Console.Write("\nPress <ENTER> to end: ");
Console.ReadLine();
}