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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 * 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.
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package java.awt.event;

import java.util.EventListener;

/**
 * The listener interface for receiving mouse wheel events on a component.
 * (For clicks and other mouse events, use the {@code MouseListener}.
 * For mouse movement and drags, use the {@code MouseMotionListener}.)
 * <P>
 * The class that is interested in processing a mouse wheel event
 * implements this interface (and all the methods it contains).
 * <P>
 * The listener object created from that class is then registered with a
 * component using the component's {@code addMouseWheelListener}
 * method. A mouse wheel event is generated when the mouse wheel is rotated.
 * When a mouse wheel event occurs, that object's {@code mouseWheelMoved}
 * method is invoked.
 * <p>
 * For information on how mouse wheel events are dispatched, see
 * the class description for {@link MouseWheelEvent}.
 *
 * @author Brent Christian
 * @see MouseWheelEvent
 * @since 1.4
 */

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