While exploring e (fx)clipse, I discovered that although it provided an autogenerated Ant build file, it was outdated, relied on the obsolete javapackager tool, and simply didn't work with modern ...

To actually build the project with Gradle, it is easier to use a JavaFX Gradle plugin such as Danno Ferrin's aka shemnon or FibreFoX's. This Hello World example originally used shemnon's plugin.

Which is better for your next Java GUI project: Java Swing vs. JavaFX? This tip explores their history and capabilities to help you choose the right one.