> I am quite sure swing was also split of and all my toy programs still run despite that. Swing is still distributed with the JDK, but JavaFX isn't. If you use

> I am quite sure swing was also split of and all my toy programs still run despite that. Swing is still distributed with the JDK, but JavaFX isn't. If you use JavaFX, you need to either add Maven dependencies on the JavaFX modules or compile with a JDK distribution which still includes JavaFX (e.g. jdk-fx from Azul: https://www.azul.com/downloads/?package=jdk-fx https://www.azul.com/downloads/?package=jdk-fx).