blob: 0fb96c598cbbbba07fe91b27d4014f14709bdaf6 [file] [log] [blame]
/*
* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package java.util.prefs;
/**
* A listener for receiving preference change events.
*
* @author Josh Bloch
* @see Preferences
* @see PreferenceChangeEvent
* @see NodeChangeListener
* @since 1.4
*/
@FunctionalInterface
public interface PreferenceChangeListener extends java.util.EventListener {
/**
* This method gets called when a preference is added, removed or when
* its value is changed.
* <p>
* @param evt A PreferenceChangeEvent object describing the event source
* and the preference that has changed.
*/
void preferenceChange(PreferenceChangeEvent evt);
}