set java to 9 instead of 1.9
set java to 9 instead of 1.9

Siedlerchr/jabref,zellerdev/jabref,JabRef/jabref,Siedlerchr/jabref,sauliusg/jabref,zellerdev/jabref,sauliusg/jabref,zellerdev/jabref,zellerdev/jabref,Siedlerchr/jabref,JabRef/jabref,JabRef/jabref,sauliusg/jabref,Siedlerchr/jabref,zellerdev/jabref,JabRef/jabref,sauliusg/jabref