So not only is Java still relevant in terms of OOA&D, but it has evolved to support functional programming, which is just as important today as support for object-oriented programming. The 7 benefits ...

Object-oriented programming, the foundation of modern software engineering, enables developers to structure their code into reusable “objects” that model real-world entities.

Then go in-depth, with all the info you need on object-oriented programming, Java FX, Java web development, and beyond.