JViewport.ViewListener (Java Platform SE 8 )
Keywords: javax.swing.JViewport.ViewListener class
Date: 2026-03-29

javax.swing

## Class JViewport.ViewListener

- java.lang.Object
- - java.awt.event.ComponentAdapter
  - - javax.swing.JViewport.ViewListener

- All Implemented Interfaces:
    ComponentListener, Serializable, EventListener
  Enclosing class:
    JViewport

      protected class JViewport.ViewListener
      extends ComponentAdapter
      implements Serializable

  A listener for the view.

  Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the `java.beans` package. Please see `XMLEncoder`.

- - ### Constructor Summary

    Constructors
    Modifier | Constructor and Description
    --- | ---
    `protected` | `ViewListener()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `componentResized(ComponentEvent e)` Invoked when the component's size changes.

    - ### Methods inherited from class java.awt.event.ComponentAdapter

      `componentHidden, componentMoved, componentShown`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### ViewListener

          protected ViewListener()

  - ### Method Detail

    - #### componentResized

          public void componentResized(ComponentEvent e)

      Description copied from class: `ComponentAdapter`
      Invoked when the component's size changes.
      Specified by:
        `componentResized` in interface `ComponentListener`
      Overrides:
        `componentResized` in class `ComponentAdapter`

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