I don't have problems setting up very simple projects in IntelliJ IDEA, but when it comes to JavaFX projects, I get confused. I noticed that there is a chapter on JavaFX. How much depth do you go into this subject?
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Not too deep. It's basic setup; but it's useful because they cover instructions about the latest versions JavaFX and IDEA itself. At the end of the chapter, you should be be able to create a UI with a label, a textfield and a Button. No event handling. Spoiler alert -- I had some difficulties making Scene Builder work properly. Suppport for Scene Builder (even for IDEA 2021.2) is still spotty. Sometimes it works, sometimes it doesn't.
If you need a step by step guide on how to setup a JavaFX project, how to edit the XML and how to integrate SceneBuilder, chapter 12 of the book covers that. It covers some basic information about JavaFX, but it won't go deep in JavaFX. Hope this helps.