[fedora-java] Secondary review of a Java package

[Göran Uddeborg]

Dr Andrew John Hughes:
> Warnings or errors?  gcj uses ecj under the hood, which is more
> verbose by default

Warnings.  Indeed, mostly about generics, and some odd unused
variables.  If it is safe to ignore them, I could do that.

I don't loose anything else in using the GCJ rather than OpenJDK
compiler?  Does the quality of the code produced differ in any
relevant way, or so?