Circle.java

public class Circle {
 private int radius;
 private Point center;

 public Circle(int radius, Point center) {
 this.radius = radius;
 this.center = center;
 }

 public int getRadius() {
 return radius;
 }

 public void setRadius(int radius) {
 this.radius = radius;
 }

 public Point getCenter() {
 return center;
 }

 public void setCenter(Point center) {
 this.center = center;
 }
 public boolean intersect(Circle c) {
 // if (dist. between cent1 and cent2) <= (rad1 + rad2)
 return (center.distanceto(c.getCenter()) <= (radius + c.getRadius()));
 }
}