Monthly updates check weekly and notify you within 30 days that an update is available, however, if an update is considered critical you are notified within a week of its release.
For monthly updates, you can select the day of the week and the time of the day.
It enables you to view an active deployment rule set, and to manage the exception site list.
It allows you to set runtime parameters for applets that run with Java Plug-in and applications that run with Java Web Start.
On Mac OS X, only the currently installed JRE is displayed, JDKs are not included.
For Solaris, Linux, or Mac OS X, only version 5.0 or higher should be added.