спецификации, руководства, описания, API

AWT Packages

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.

The following packages are located within the AWT package, and are used to support Drag and Drop:

java.awt.datatransfer - Provides interfaces and classes for transferring data between and within applications.
java.awt.dnd - Drag and drop is a direct manipulation gesture, found in many Graphical User Interface systems, that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.

The following packages are located within the AWT package, but are actually part of Java 2D:

The following packages are located within the AWT package, but are actually part of the Input Method Framework: