Here’s a good introduction to the JFXPanel component by Artem Ananiev, which allows for embedding JavaFX nodes into a Swing application.

It makes much more sense to use FX content in Swing, because there are so many existing Swing applications and so many exciting FX features. The good news is that using FX in Swing is now possible and, which is more important, officially supported via public API: javafx.embed.swing.JFXPanel. …More

A JavaFX Button and Slider atop a Swing JButton