Java tutorial
/* * Copyright (c) 1996, 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.awt.event; import java.util.EventListener; /** * The listener interface for receiving action events. * The class that is interested in processing an action event * implements this interface, and the object created with that * class is registered with a component, using the component's * {@code addActionListener} method. When the action event * occurs, that object's {@code actionPerformed} method is * invoked. * * @see ActionEvent * @see <a href="https://docs.oracle.com/javase/tutorial/uiswing/events/actionlistener.html">How to Write an Action Listener</a> * * @author Carl Quinn * @since 1.1 */ public interface ActionListener extends EventListener { /** * Invoked when an action occurs. * @param e the event to be processed */ public void actionPerformed(ActionEvent e); }