How to create tabs with icons in JavaFX

Question

I want to create tabs panel with icons similar to the Firefox configuration panel with JavaFX:

Answer 1

How to add image directly from image url:

          Tab tab = new Tab();
          tab.setGraphic(buildImage("patch/to/image");

    // Helper method to create image from image patch
    private static ImageView buildImage(String imgPatch) {
            Image i = new Image(imgPatch);
            ImageView imageView = new ImageView();
            //You can set width and height
            imageView.setFitHeight(16);
            imageView.setFitWidth(16);
            imageView.setImage(i);
            return imageView;
        }