Java tutorial
/******************************************************************************* * Copyright (c) 2003, 2017 IBM Corporation and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.swt.browser; /** * This adapter class provides default implementations for the * methods described by the {@link LocationListener} interface. * <p> * Classes that wish to deal with {@link LocationEvent}'s can * extend this class and override only the methods which they are * interested in. * </p> * <p> * An alternative to this class are the static helper methods in * {@link LocationListener}, * which accept a lambda expression or a method reference that implements the event consumer. * </p> * * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> * * @since 3.0 */ public abstract class LocationAdapter implements LocationListener { @Override public void changing(LocationEvent event) { } @Override public void changed(LocationEvent event) { } }