# phpman > man > update-java-alternatives(8)

[UPDATE-JAVA-ALTERNATIVES(8)](https://www.chedong.com/phpMan.php/man/UPDATE-JAVA-ALTERNATIVES/8/markdown)            System Manager's Manual           [UPDATE-JAVA-ALTERNATIVES(8)](https://www.chedong.com/phpMan.php/man/UPDATE-JAVA-ALTERNATIVES/8/markdown)



## NAME
       update-java-alternatives - update alternatives for jre/sdk installations

## SYNOPSIS
### update-java-alternatives [--jre] [--plugin] [-v|--verbose]
             -l|--list [<jname>]
             -s|--set <jname>
             -a|--auto
             -h|-?|--help

## DESCRIPTION
       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.

## OPTIONS
### -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  pro‐
              vided 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  environ‐
              ment.

### --plugin
              Limit the actions to alternatives providing browser plugins.

### -h|--help
              Display a help message.

### -v|--verbose
              Verbose output.


## FILES
       _/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>.


## AUTHOR
       update-java-alternatives   and   this   manual   page   was   written   by   Matthias   Klose
       <<doko@ubuntu.com>>.



                                              May 2006                   [UPDATE-JAVA-ALTERNATIVES(8)](https://www.chedong.com/phpMan.php/man/UPDATE-JAVA-ALTERNATIVES/8/markdown)