javax.swing.undo (Java 2 Platform SE v1.4.1_"07")

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JavaTM 2 Platform
Std. Ed. v1.4.1_"07"

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## Package javax.swing.undo

Allows developers to provide support for undo/redo in applications such as text editors.

See:
Description

Interface Summary
StateEditable | StateEditable defines the interface for objects that can have their state undone/redone by a StateEdit.
UndoableEdit | An object representing an edit that has been done, and that can be undone and redone.

Class Summary
AbstractUndoableEdit | An abstract implementation of `UndoableEdit`, implementing simple responses to all boolean methods in that interface.
CompoundEdit | A concrete subclass of AbstractUndoableEdit, used to assemble little UndoableEdits into great big ones.
StateEdit | StateEdit is a general edit for objects that change state.
UndoableEditSupport | A support class used for managing `UndoableEdit` listeners.
UndoManager | Concrete subclass of `CompoundEdit` which can serve as a `UndoableEditListener`, consolidating the `UndoableEditEvents` from a variety of sources, and undoing or redoing them one at a time.

Exception Summary
CannotRedoException | Thrown when an UndoableEdit is told to `redo()` and can't.
CannotUndoException | Thrown when an UndoableEdit is told to `undo()` and can't.

## Package javax.swing.undo Description

Allows developers to provide support for undo/redo in applications such as text editors.

Note: Most of the Swing API is not thread safe. For details, see Threads and Swing, a section in The Java Tutorial.

## Related Documentation

For overviews, tutorials, examples, guides, and tool documentation, please see:

- Implementing Undo and Redo, a section in The Java Tutorial

Since:
  1.2

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JavaTM 2 Platform
Std. Ed. v1.4.1_"07"

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.