Uses of Interface
java.awt.datatransfer.Transferable

Packages that use Transferable 
Package Description
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.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.