JavaFX Rectangle set stroke color

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class Main extends Application {
  @Override//from   w  w  w  .j a v a  2 s.c o m
  public void start(Stage primaryStage) {
    // Create rectangles
    Rectangle r1 = new Rectangle(25, 10, 60, 30);
    r1.setStroke(Color.BLACK);
    r1.setFill(Color.WHITE);
    Rectangle r2 = new Rectangle(25, 50, 60, 30);
    Rectangle r3 = new Rectangle(25, 90, 60, 30);
    r3.setArcWidth(15);
    r3.setArcHeight(25);

    // Create a group and add nodes to the group
    Group group = new Group();
    group.getChildren().addAll(new Text(10, 27, "r1"), r1, new Text(10, 67, "r2"), r2, new Text(10, 107, "r3"), r3);

    Scene scene = new Scene(new BorderPane(group), 250, 150);
    primaryStage.setTitle("ShowRectangle");
    primaryStage.setScene(scene);
    primaryStage.show();
  }

  public static void main(String[] args) {
    launch(args);
  }
}