import java.awt.*;

public class Circle {
    // coords of center
    private Point center;
    
    // radius
    private int radius;
    
    public Circle(Point center, int radius) {
        if (center == null || radius < 0) {
            // crash!
            throw new IllegalArgumentException();
        }
        
        this.center = center;
        this.radius = radius;
    }
    
    public boolean contains(Point p) {
        // double d = this.center.distance(p);
        double d = p.distance(this.center);
        
        /*
        if (d <= this.radius) {
            return true;
        } else {
            return false;
        }
        */

        return (d <= this.radius);
    }
    
    public void draw(Graphics g) {
        int size = 2 * this.radius;
        g.drawOval(this.center.getX() - this.radius,
                   this.center.getY() - this.radius, size, size);
        this.center.draw(g);
    }
    
    public String toString() {
        String result = "Circle: center=" + this.center + ", radius=" + this.radius;

        return result;
    }
}