//
//	Define a Circle class
//

#include <iostream>
using namespace std;

class Circle
{
	float radius;
public:
	Circle()
	{	radius = 0;    }
	Circle(float r)
	{	radius = r;    }
	void Set(float r)
        {       radius = r;    }
	float Area() const
	{	return 3.14 * radius * radius;     }
	void Print() const
	{	cout << "Circle: (" << radius << "), area: "
			<< Area() << endl;
	}
};

// test the class by using the driver code
int main()
{
	// Q1: declare an object rect?
	Circle rect;	// (0)
	// Q2: output the info on rect?
	rect.Print();
	// Q3: declare an object it with initialization of 2?
	Circle it(2);
	it.Print();
	// Q4: Make rect have the same value as it?
	rect = it;
	cout << "\nThe object - rect: ";
	rect.Print();
	// Q5: change it to radius of 5?
	it.Set(5);
	it.Print();	

	return 0;
}