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## java.util.prefs
Interface NodeChangeListener

All Superinterfaces:
  EventListener

    public interface NodeChangeListener

extends EventListener

A listener for receiving preference node change events.

Since:
  1.4
See Also:
  `Preferences`, `NodeChangeEvent`, `PreferenceChangeListener`

Method Summary
`void` | `childAdded(NodeChangeEvent evt)` This method gets called when a child node is added.
`void` | `childRemoved(NodeChangeEvent evt)` This method gets called when a child node is removed.

Method Detail

### childAdded

    void childAdded(NodeChangeEvent evt)

  This method gets called when a child node is added.

  Parameters:
    `evt` - A node change event object describing the parent and child node.

### childRemoved

    void childRemoved(NodeChangeEvent evt)

  This method gets called when a child node is removed.

  Parameters:
    `evt` - A node change event object describing the parent and child node.

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