/*

* Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.

* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*

*/

package java.util.prefs;

/**

* A listener for receiving preference node change events.

*

* @author Josh Bloch

* @see Preferences

* @see NodeChangeEvent

* @see PreferenceChangeListener

* @since 1.4

*/

public interface NodeChangeListener extends java.util.EventListener {

/**

* This method gets called when a child node is added.

*

* @param evt A node change event object describing the parent

* and child node.

*/

void childAdded(NodeChangeEvent evt);

/**

* This method gets called when a child node is removed.

*

* @param evt A node change event object describing the parent

* and child node.

*/

void childRemoved(NodeChangeEvent evt);

}