remove overkill depencency to guava
execute previous tests successfully
the JNI part can be built and tested by simply doing
$ ./autogen.sh $ ./configure --enable-jni --enable-experimental --enable-module-ecdh $ make check-java
Once https://reviews.bitcoinabc.org/D2686 is passed we can do this automatically
There seem to be several things in this diff, one is removing the guava dependencies and the others are refactoring (indent and boolean assignations).
You should consider splitting the diff.