# Class NodeChangeEvent

java.lang.Object
java.util.EventObject
java.util.prefs.NodeChangeEvent

All Implemented Interfaces:
  `Serializable`

public class NodeChangeEvent extends EventObject
An event emitted by a `Preferences` node to indicate that a child of that node has been added or removed.

Note, that although NodeChangeEvent inherits Serializable interface from java.util.EventObject, it is not intended to be Serializable. Appropriate serialization methods are implemented to throw NotSerializableException.

Since:
  1.4
See Also:
  - `Preferences`
  - `NodeChangeListener`
  - `PreferenceChangeEvent`

## Field Summary

### Fields declared in class EventObject

`source`

## Constructor Summary

Constructors
Constructor
Description
`NodeChangeEvent(Preferences parent, Preferences child)`
Constructs a new `NodeChangeEvent` instance.

## Method Summary

Modifier and Type
Method
Description
`Preferences`
`getChild()`
Returns the node that was added or removed.
`Preferences`
`getParent()`
Returns the parent of the node that was added or removed.

### Methods declared in class EventObject

`getSource, toString`

### Methods declared in class Object

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

## Constructor Details

### NodeChangeEvent

public NodeChangeEvent(Preferences parent, Preferences child)
Constructs a new `NodeChangeEvent` instance.

Parameters:
  `parent` - The parent of the node that was added or removed.
  `child` - The node that was added or removed.

## Method Details

### getParent

public Preferences getParent()
Returns the parent of the node that was added or removed.

Returns:
  The parent Preferences node whose child was added or removed

### getChild

public Preferences getChild()
Returns the node that was added or removed.

Returns:
  The node that was added or removed.