Much pain. Ow. Hurt brain.
- Install 32 bit Java, following instructions on Java's site.
- Run update alternatives at the terminal:
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jre1.8.0_66/bin/java 1099
- Install "Icedtea Java Plugin" for web browsers from Software Center.
- At the terminal, install:
sudo apt-get install libstdc++6:i386 lib32z1 lib32ncurses5 libxext6:i386 libxrender1:i386 libxtst6:i386 libxi6:i386