Ellipse() constructor from Ellipse has the following syntax.
public Ellipse()
In the following code shows how to use Ellipse.Ellipse() constructor.
/*from w w w .j a v a 2 s .com*/ import javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.paint.Color; import javafx.scene.shape.Ellipse; import javafx.stage.Stage; public class Main extends Application { public static void main(String[] args) { Application.launch(args); } @Override public void start(Stage primaryStage) { primaryStage.setTitle("Shapes"); Group root = new Group(); Scene scene = new Scene(root, 300, 300, Color.WHITE); Ellipse bigCircle = new Ellipse(); bigCircle.setCenterX(20); bigCircle.setCenterY(20); bigCircle.setRadiusX(10); bigCircle.setRadiusY(10); System.out.println(bigCircle.centerXProperty().doubleValue()); root.getChildren().add(bigCircle); primaryStage.setScene(scene); primaryStage.show(); } }