Uses of Class
java.awt.event.FocusEvent.Cause

Packages that use FocusEvent.Cause 
Package Description
java.awt
Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.event
Provides interfaces and classes for dealing with different types of events fired by AWT components.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.