Uses of Interface javax.swing.event.TreeModelListener (Java Platform SE 8 )
Date: 2026-03-29

## Uses of Interface
javax.swing.event.TreeModelListener

- Packages that use TreeModelListener
  Package | Description
  --- | ---
  javax.swing | Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
  javax.swing.plaf.basic | Provides user interface objects built according to the Basic look and feel.
  javax.swing.tree | Provides classes and interfaces for dealing with `javax.swing.JTree`.

- - ### Uses of TreeModelListener in javax.swing

    Classes in javax.swing that implement TreeModelListener
    Modifier and Type | Class and Description
    --- | ---
    `protected class` | `JTree.AccessibleJTree` This class implements accessibility support for the `JTree` class.
    `protected class` | `JTree.TreeModelHandler` Listens to the model and updates the `expandedState` accordingly when nodes are removed, or changed.

    Fields in javax.swing declared as TreeModelListener
    Modifier and Type | Field and Description
    --- | ---
    `protected TreeModelListener` | JTree.`treeModelListener` Updates the `expandedState`.

    Methods in javax.swing that return TreeModelListener
    Modifier and Type | Method and Description
    --- | ---
    `protected TreeModelListener` | JTree.`createTreeModelListener()` Creates and returns an instance of `TreeModelHandler`.

  - ### Uses of TreeModelListener in javax.swing.plaf.basic

    Classes in javax.swing.plaf.basic that implement TreeModelListener
    Modifier and Type | Class and Description
    --- | ---
    `class` | `BasicTreeUI.TreeModelHandler` Forwards all TreeModel events to the TreeState.

    Methods in javax.swing.plaf.basic that return TreeModelListener
    Modifier and Type | Method and Description
    --- | ---
    `protected TreeModelListener` | BasicTreeUI.`createTreeModelListener()` Returns a listener that can update the tree when the model changes.

  - ### Uses of TreeModelListener in javax.swing.tree

    Methods in javax.swing.tree that return TreeModelListener
    Modifier and Type | Method and Description
    --- | ---
    `TreeModelListener[]` | DefaultTreeModel.`getTreeModelListeners()` Returns an array of all the tree model listeners registered on this model.

    Methods in javax.swing.tree with parameters of type TreeModelListener
    Modifier and Type | Method and Description
    --- | ---
    `void` | TreeModel.`addTreeModelListener(TreeModelListener l)` Adds a listener for the `TreeModelEvent` posted after the tree changes.
    `void` | DefaultTreeModel.`addTreeModelListener(TreeModelListener l)` Adds a listener for the TreeModelEvent posted after the tree changes.
    `void` | TreeModel.`removeTreeModelListener(TreeModelListener l)` Removes a listener previously added with `addTreeModelListener`.
    `void` | DefaultTreeModel.`removeTreeModelListener(TreeModelListener l)` Removes a listener previously added with addTreeModelListener().

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2026, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.