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/OpenJDK 21

Package javax.swing.undo

package javax.swing.undo
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 Concurrency in Swing, a section in The Java Tutorial.

For overviews, tutorials, examples, guides, and tool documentation, please see:
Since:
1.2
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.
StateEdit
StateEdit is a general edit for objects that change state.
StateEditable
StateEditable defines the interface for objects that can have their state undone/redone by a StateEdit.
UndoableEdit
An UndoableEdit represents an edit.
UndoableEditSupport
A support class used for managing UndoableEdit listeners.
UndoManager
UndoManager manages a list of UndoableEdits, providing a way to undo or redo the appropriate edits.

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Various third party code in OpenJDK is licensed under different licenses (see Debian package).
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https://docs.oracle.com/en/java/javase/21/docs/api/java.desktop/javax/swing/undo/package-summary.html