One of the improvements in JavaFX with JavaFX 2.0 has been greater ease of interoperability with Swing and SWT . Several online resources document how this is done.

Get to know the JavaFX 2 libraries by way of a practical exercise: refactoring a Swing-based text editor into one that leverages the rich UI features of JavaFX.

Since JavaFX was first announced at JavaOne in May, there has been a flurry of activity focused on improving the client-side user experience of Java. Joshua Marinacci, from the Swing Toolkit Team ...

JavaFX was an important part of Sun's strategy for fighting back and restoring Java's client-side relevance, but it was poorly communicated and weakly executed.

I'm playing around with swing and javafx and updating a label from a runnable. It looks like you must do it in some other way with JavaFx since I get: Not on FX application thread; currentThread = ...

LWUIT is aimed at current Java MIDP and Swing developers who are looking to enhance the interfaces of new or existing Java ME applications on MIDP 2.0 phones.

JavaFX 14 is available to help developers create cross-platform GUI applications with a single codebase. Improvements include HTTP/2 support with an embedded browser, controlled by native Java code.