public class circle {
    private point center;
    private double radius;

    public void setRadius(double r) {
	radius = r;
    }
    public double getRadius() {
	return radius;
    }

    public double getCenter() {
	return center;
    }
    public void setCenter(point p) {
	center = p;
    }
    public void setCenter(int x, int x) {
	center.setXval(x);
	center.setYval(y);
    }


    public static void main(String args[]) {
	circle c = new circle();
	point p = new point();
	p.setXval(10);
	p.setyval(10);
	c.setCenter(p);
	// or 
	c.setCenter(10,10);
	c.setRadius(5.0);
    }
}