package test;

import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.ProgressBar;
import javafx.scene.control.ProgressBarBuilder;
import javafx.scene.layout.VBox;
import javafx.scene.layout.VBoxBuilder;
import javafx.stage.Stage;

public class FXProgressbar extends Application
{
  public static void main(String[] args)
  {
    Application.launch(args);
  }

  @Override
  public void start(Stage primaryStage) throws Exception
  {
    ProgressBar pb = ProgressBarBuilder.create().prefWidth(600).build(); // indeterminate progressbar
    VBox vb = VBoxBuilder.create().visible(false).children(pb).build(); // high CPU load whether visible or not 
    Group g = new Group(vb);
    Scene s = new Scene(g);
    primaryStage.setScene(s);
    primaryStage.show();
  }
}