Gluon has introduced a technology preview of JavaFX running a single codebase across PC, mobile, and now client web. These fully standalone web clients do not require any server-side portion ...

JavaFX isn't hard to learn, and with the right IDE and a complete JavaFX tutorial to teach the core concepts, you'll be an expert in no time.

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.