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update-java-alternatives

update alternatives for jre/sdk installations

update-java-alternatives [--jre] [--plugin] [-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.
-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 <doko@ubuntu.com>.

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