Uses of Interface
java.awt.LayoutManager2

Packages that use LayoutManager2 
Package Description
java.awt
Contains all of the classes for creating user interfaces and for painting graphics and images.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.plaf.basic
Provides user interface objects built according to the Basic look and feel.