Template {{Redr}} is an alias for the This is a redirect template, which may be used to add up to seven appropriate rcats, along with their parameters, to a redirect. For more information see the documentation on its template page and its comparison page. This rcat may also tag a redirect individually:
#REDIRECT [[(target article title)]]
{{R from Java package name}}
This is in accord with instructions found at WP:REDCAT.
Use this rcat to tag any mainspace redirect from a Java package name, or the fully-qualified name of a Java class or interface, to the software project or language feature that provides that package.
Aliases
Also known as... – list of templates that redirect here and may also be used