With its plugin manager the NetBeans Platform provides a useful tool to the user. With this tool, individual parts of applications (single modules or several related modules) can be installed, uninstalled, activated, deactivated, or updated. It is possible to directly access these functionalities by means of the Auto Update Services A PIand create really different applications.
It is possible to access all existing modules because of the class
UpdateManager. One module (unit) is represented by the class
UpdateUnit; this class is a kind of wrapper for different elements. Such elements could be