ricard@cruz-xxxxxx:~/.mozilla/plugins$ ls -liah

12583228 lrwxrwxrwx 1 ricard ricard   43 jun 27 10:43 libnpjp2.so -> /usr/java/jre1.8.0_91/lib/amd64/libnpjp2.so

ricard@cruz-xxxxxx:~/.mozilla/plugins$ java -version
java version "1.8.0_91"
Java(TM) SE Runtime Environment (build 1.8.0_91-b14)
Java HotSpot(TM) 64-Bit Server VM (build 25.91-b14, mixed mode)


ricard@cruz-xxxxxx:~/.mozilla/plugins$ /usr/bin/firefox -version
Mozilla Firefox 47.0