ProgressBar() constructor from ProgressBar has the following syntax.
public ProgressBar()
In the following code shows how to use ProgressBar.ProgressBar() constructor.
/*from w ww.j a v a 2 s . c o m*/ import javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.ProgressBar; import javafx.stage.Stage; public class Main extends Application { @Override public void start(Stage stage) { Group root = new Group(); Scene scene = new Scene(root, 260, 80); stage.setScene(scene); Group g = new Group(); ProgressBar p2 = new ProgressBar(); g.getChildren().add(p2); scene.setRoot(g); stage.show(); } public static void main(String[] args) { launch(args); } }