static void Main(string[] args)
{
Circle c1 = new Circle(1, "black");
Console.WriteLine("The circle has radius of : {0} and area of : {1}", c1.GetRadius(), c1.GetArea());
Circle c2 = new Circle(2.0, "Black");
Console.WriteLine("The circle has radius of : {0} and area of : {1}", c2.GetRadius(), c2.GetArea());
Circle c3 = new Circle(3, "orenge");
Console.WriteLine("The circle has radius of : {0} and color of {1} ", c3.GetRadius(), c3.GetColor());
// c3.radius = 5;
Circle c4 = new Circle();
c4.setRadius(5.0);
Console.Write("radius is: " + c4.GetRadius());
c4.setColor("While");
Console.WriteLine(" color is: " + c4.GetColor());
c4._Color = "red";
Console.WriteLine(c4._Color);
Circle c5 = new Circle();
Console.WriteLine(c5.ToString());
}
