Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2014, by Object Refinery Limited and Contributors. * * Project Info: http://www.jfree.org/jfreechart/index.html * * This library is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation; either version 2.1 of the License, or * (at your option) any later version. * * This library 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 Lesser General Public * License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, * USA. * * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. * Other names may be trademarks of their respective owners.] * * --------------------- * ApplicationFrame.java * --------------------- * (C) Copyright 2000-2014, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes (from 30-May-2002) * -------------------------- * 30-May-2002 : Added title (DG); * 13-Oct-2002 : Fixed errors reported by Checkstyle (DG); * 14-Jun-2012 : Moved from JCommon to JFreeChart (DG); * 19-Mar-2014 : Move to demo package (DG); * */ package org.jfree.chart.demo; import java.awt.event.WindowEvent; import java.awt.event.WindowListener; import javax.swing.JFrame; /** * A frame for simple demo applications (the frame shuts down the JVM when * the window is closed). */ public class ApplicationFrame extends JFrame implements WindowListener { private static final long serialVersionUID = 1L; /** * Constructs a new application frame. * * @param title the frame title. */ public ApplicationFrame(String title) { super(title); addWindowListener(this); } /** * Listens for the main window closing, and shuts down the application. * * @param event information about the window event. */ @Override public void windowClosing(WindowEvent event) { if (event.getWindow() == this) { dispose(); System.exit(0); } } /** * Required for WindowListener interface, but not used by this class. * * @param event information about the window event. */ @Override public void windowClosed(WindowEvent event) { // ignore } /** * Required for WindowListener interface, but not used by this class. * * @param event information about the window event. */ @Override public void windowActivated(WindowEvent event) { // ignore } /** * Required for WindowListener interface, but not used by this class. * * @param event information about the window event. */ @Override public void windowDeactivated(WindowEvent event) { // ignore } /** * Required for WindowListener interface, but not used by this class. * * @param event information about the window event. */ @Override public void windowDeiconified(WindowEvent event) { // ignore } /** * Required for WindowListener interface, but not used by this class. * * @param event information about the window event. */ @Override public void windowIconified(WindowEvent event) { // ignore } /** * Required for WindowListener interface, but not used by this class. * * @param event information about the window event. */ @Override public void windowOpened(WindowEvent event) { // ignore } }