Cleanup of Java code and fix for install checks (#1023)
Cleanup of Java code and fix for install checks (#1023)

Fixes #1022

Signed-off-by: Ethan Dye <5dd593449d8fc3972f5755d1f5497ebfe8f6b757@gmail.com>
openhab/openhabian,openhab/openhabian,ThomDietrich/openhabian,openhab/openhabian