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()); }