JavaFX isn't hard to learn. In fact, any developer with a little bit of object-oriented knowledge and a penchant for desktop development in Java can quickly put together a feature-rich GUI application ...

JavaFX, Oracle’s 10-year-old rich client development technology for Java, will be decoupled from the Java Development Kit (JDK) and broken out into its own separate module.

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.