JDK14/Java14源码在线阅读

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 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).
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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);

    /**

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