Circle.cpp

#include <iostream>
#include <string>

using namespace std;

class Circle {
private:
  double radius;
	string color;

public:

	Circle(double aradius = 1.0, string acolor = "red") {
		radius = aradius;
		color = acolor;
	}

	double getradius() {
		return radius;
	}

	string getColor() {
		return color;
	}

	double getarea() {
		return radius * radius * 3.14;
	}
};

int main() {
	Circle c1(2.0, "blue");
	Circle c2(2.0);
	Circle c3;

	cout << "Area of c1 = " << c1.getarea() << endl;
	cout << "Area of c2 = " << c2.getarea() << endl;
	cout << "Area of c3 = " << c3.getarea() << endl;

	return 0;
}