Uses of Package javax.swing.undo (Java SE 11 & JDK 11 )

Packages that use javax.swing.undo
Package	Description
javax.swing.event	Provides for events fired by Swing components.
javax.swing.text	Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.undo	Allows developers to provide support for undo/redo in applications such as text editors.

Classes in javax.swing.undo used by javax.swing.event
Class Description

UndoableEdit
An UndoableEdit represents an edit.

Classes in javax.swing.undo used by javax.swing.text
Class	Description
AbstractUndoableEdit	An abstract implementation of `UndoableEdit`, implementing simple responses to all boolean methods in that interface.
CannotRedoException	Thrown when an UndoableEdit is told to `redo()` and can't.
CannotUndoException	Thrown when an UndoableEdit is told to `undo()` and can't.
CompoundEdit	A concrete subclass of AbstractUndoableEdit, used to assemble little UndoableEdits into great big ones.
UndoableEdit	An `UndoableEdit` represents an edit.

Classes in javax.swing.undo used by javax.swing.undo
Class	Description
AbstractUndoableEdit	An abstract implementation of `UndoableEdit`, implementing simple responses to all boolean methods in that interface.
CannotRedoException	Thrown when an UndoableEdit is told to `redo()` and can't.
CannotUndoException	Thrown when an UndoableEdit is told to `undo()` and can't.
CompoundEdit	A concrete subclass of AbstractUndoableEdit, used to assemble little UndoableEdits into great big ones.
StateEditable	StateEditable defines the interface for objects that can have their state undone/redone by a StateEdit.
UndoableEdit	An `UndoableEdit` represents an edit.