Java tutorial
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(20, 20); bigCircle.setCenterX(20); bigCircle.setCenterY(20); bigCircle.setRadiusX(10); bigCircle.setRadiusY(10); System.out.println(bigCircle.centerYProperty().doubleValue()); root.getChildren().add(bigCircle); primaryStage.setScene(scene); primaryStage.show(); } }