JavaFX RadialGradient create using constructor

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.RadialGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.Ellipse;
import javafx.stage.Stage;


public class Main extends Application{

    public static void main(String[] args) {
        Application.launch(args);/*  www .j a  v a  2s .co  m*/
    }
    
    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("java2s.com");
        Group root = new Group();
        Scene scene = new Scene(root, 350, 300, Color.WHITE);        Ellipse ellipse = new Ellipse(100, 50 + 70/2, 50, 70/2);
        RadialGradient gradient1 = new RadialGradient(0,
                                                      .1,    // focus angle
                                                      80,    // focus distance
                                                      45,    // centerX
                                                      120,   // centerY
                                                      false, // proportional
                                                      CycleMethod.NO_CYCLE,
                                                      new Stop(0, Color.RED), new Stop(1, Color.BLACK));

        ellipse.setFill(gradient1);
        root.getChildren().add(ellipse); 


        primaryStage.setScene(scene);
        primaryStage.show();
    }
}