adding css file to stylesheets in javafx

Question

Language: JavaFX

IDE: Netbeans

Problem: I\'m trying to add a css file to the stylesheet, but the first line of the following code always generates a Nu

Answer 1

Assuming the file structure is something like this:
-root
--src
---resources
----double_slider.css
---package
----JavaFXFile.java

This is what worked for me:

scene.getStylesheets().add((new File("src/resources/double_slider.css")).toURI().toString());