Java tutorial
/* * Copyright (c) 2000, 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 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); }