Java How to Program, Early Objects, 11th Edition

... private Pane pane;
12      private static final SecureRandom random = new SecureRandom();
13
14      public void initialize() {
15         // points that define a five-pointed star shape

16         Double[] points = {205.0,150.0, 217.0,186.0, 259.0,186.0,
17            223.0,204.0, 233.0,246.0, 205.0,222.0, 177.0,246.0, 187.0,204.0,
18            223.0,204.0, 233.0,246.0, 205.0,222.0, 177.0,246.0, 187.0,204.0,
19
20         // create 18 stars
21         for (int count = 0; count < 18; ++count) {
22            // create a new Polygon and copy existing points into it
23            Polygon newStar = new Polygon();
24            newStar.getPoints().addAll(points);
25
26            // create random Color and set as newStar's fill
27            newStar.setStroke(Color.GREY);
28            newStar.setFill(Color.rgb(random.nextInt(255),
29               random.nextInt(255), random.nextInt(