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Name	Size	Permission
test-amd64	[ DIR ]	drwxr-xr-x
JAVA_HOME	440 B	-rw-r--r--
README.Debian	2.38 KB	-rw-r--r--
README.alternatives	1.09 KB	-rw-r--r--
changelog.Debian.gz	61.12 KB	-rw-r--r--
copyright	162.2 KB	-rw-r--r--

Code Editor : README.alternatives

Updating alternatives for JRE/JDK installations
-----------------------------------------------

Packages providing a runtime or a development environment for the Java
language all use symlinks in the /etc/alternatives directory to enable
the system administrator to choose which programs to use for java,
javac, javah, etc.

The update-java-alternatives script can be used to set all the JRE/JDK
alternatives:

First, you have to decide which Java implementation to default to.

update-java-alternatives --list

tells about the available runtime and/or development environments. The
first column shows the names to be used in for the following examples.

- Set all runtime tools to point to the <jname> alternatives:

update-java-alternatives --jre --set <jname>

- Set all runtime tools (headless only) to point to the <jname>
  alternatives:

update-java-alternatives --jre-headless --set <jname>

- Set all runtime and development tools to point to the <jname>
  alternatives:

update-java-alternatives --set <jname>

- Set all runtime and development tools to auto mode:

update-java-alternatives --auto

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Code Editor : README.alternatives