Uses of Interface javax.swing.event.TreeExpansionListener (Java SE 11 & JDK 11 )

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

- Packages that use TreeExpansionListener
  Package | Description
  --- | ---
  com.sun.java.accessibility.util | Provides a collection of interfaces and classes that compose the Java Accessibility Utilities.
  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.

- - ### Uses of TreeExpansionListener in com.sun.java.accessibility.util

    Methods in com.sun.java.accessibility.util with parameters of type TreeExpansionListener
    Modifier and Type | Method | Description
    --- | --- | ---
    `static void` | SwingEventMonitor.`addTreeExpansionListener​(TreeExpansionListener l)` | Adds the specified listener to receive all `TREEEXPANSION` events on each component instance in the Java Virtual Machine as they occur.
    `static void` | SwingEventMonitor.`removeTreeExpansionListener​(TreeExpansionListener l)` | Removes the specified listener so it no longer receives `TREEEXPANSION` events when they occur.

  - ### Uses of TreeExpansionListener in javax.swing

    Classes in javax.swing that implement TreeExpansionListener
    Modifier and Type | Class | Description
    --- | --- | ---
    `protected class` | `JTree.AccessibleJTree` | This class implements accessibility support for the `JTree` class.

    Methods in javax.swing that return TreeExpansionListener
    Modifier and Type | Method | Description
    --- | --- | ---
    `TreeExpansionListener[]` | JTree.`getTreeExpansionListeners()` | Returns an array of all the `TreeExpansionListener`s added to this JTree with addTreeExpansionListener().

    Methods in javax.swing with parameters of type TreeExpansionListener
    Modifier and Type | Method | Description
    --- | --- | ---
    `void` | JTree.`addTreeExpansionListener​(TreeExpansionListener tel)` | Adds a listener for `TreeExpansion` events.
    `void` | JTree.`removeTreeExpansionListener​(TreeExpansionListener tel)` | Removes a listener for `TreeExpansion` events.

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

    Classes in javax.swing.plaf.basic that implement TreeExpansionListener
    Modifier and Type | Class | Description
    --- | --- | ---
    `class` | `BasicTreeUI.TreeExpansionHandler` | Updates the TreeState in response to nodes expanding/collapsing.

    Methods in javax.swing.plaf.basic that return TreeExpansionListener
    Modifier and Type | Method | Description
    --- | --- | ---
    `protected TreeExpansionListener` | BasicTreeUI.`createTreeExpansionListener()` | Creates and returns the object responsible for updating the treestate when nodes expanded state changes.