Java tutorial
import javafx.application.Application; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.ProgressIndicator; 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(); ProgressIndicator p1 = new ProgressIndicator(); g.getChildren().add(p1); scene.setRoot(g); stage.show(); } public static void main(String[] args) { launch(args); } }