update-java-alternatives (8)

update-java-alternatives [--jre] [--plugin] [-t|--test|-v|--verbose]

      -l|--list [<jname>]
      -s|--set <jname>
      -a|--auto
      -h|-?|--help

update-java-alternatives updates all alternatives belonging to one runtime or development kit for the Java language. A package does provide these information of it's alternatives in /usr/lib/jvm/.<jname>.jinfo.

-l|--list [<jname>]

List all installed packages (or just <jname>) providing information 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 <jname>

Set all alternatives of the registered jre/sdk installation to the program path provided by the <jname> installation.

--jre

Limit the actions to alternatives belong to a runtime environment, 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.

-t|--test

Don't actually do anything, just say what would be done. The implementation status of this option is the same as for update-alternatives (not implemented).

-v|--verbose

Verbose output.

/usr/lib/jvm/.*.jinfo

A text file describing a jre/sdk installation. Consists of some variables of the form <var>=<value> and a list of alternatives of the form jre|jdk <name> <path>.

update-java-alternatives and this manual page was written by Matthias Klose <[email protected]>.