Part of the java helper packaging tools refer to the tutorials in /usr/share/doc/javahelper for more detail
jh_installjavadoc [options] [sourcedir]
-h --help: show this text -V --version: show the version -i --indep: act on all Arch: all packages -a --arch: act on all Arch-specific packages -p<package> --package=<package>: package to act on (default=all) -P<packagedir> --tmpdir=<package>: package directory (default=$CWD/debian/package) -v --verbose: show more information while running -n --no-act: don't actually do anything, just print the results -a<author> --author=<author>: Javadoc author