Except for drop-down for auto-suggest, which uses company package, rest is
some additional code on top of the emacs master branch. It's mostly EDE for
project management, CAPF and GNU locate for auto-suggest, CEDET Semantic
and Srecode for refactoring, and GUD jdb for debugging.

On Thu, Dec 12, 2019 at 8:57 AM Richard Stallman <rms@gnu.org> wrote:

> [[[ To any NSA and FBI agents reading my email: please consider    ]]]
> [[[ whether defending the US Constitution against all enemies,     ]]]
> [[[ foreign or domestic, requires you to follow Snowden's example. ]]]
>
>   > Here's the third part in the series of using GNU Emacs as a lightweight
>   > Java IDE.
>
> That is interesting.  The first question that occurs to me is,
> does it require any Emacs package that isn't in Emacs (incling GNU ELPA)?
>
> --
> Dr Richard Stallman
> Founder, Free Software Foundation (https://gnu.org, https://fsf.org)
> Internet Hall-of-Famer (https://internethalloffame.org)
>
>
>