update-java-alternatives updates all alternatives belonging to one run‐
time or development kit for the Java language. A package does provide
these information of it's alternatives in /usr/lib/jvm/..jinfo.
-l|--list []
List all installed packages (or just ) providing informa‐
tion to set a bunch of java alternatives. Verbose output shows
each alternative provided by the packages.
-a|--auto
Switch all alternatives of registered jre/sdk installations to
automatic mode.
-s|--set
Set all alternatives of the registered jre/sdk installation to
the program path provided by the installation.
--jre Limit the actions to alternatives belong to a runtime environ‐
ment, not a development kit.
--jre-headless
Limit the actions to alternatives belong to the headless part of
a runtime environment.
--plugin
Limit the actions to alternatives providing browser plugins.
-h|--help
Display a help message.
-v|--verbose
Verbose output.
/usr/lib/jvm/.*.jinfo
A text file describing a jre/sdk installation. Consists of some
variables of the form = and a list of alternatives
of the form jre|jdk .
