Java tutorial
/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330, * Boston, MA 02111-1307, USA. * * [Java is a trademark or registered trademark of Sun Microsystems, Inc. * in the United States and other countries.] * * ----------- * Second.java * ----------- * (C) Copyright 2002-2004, by Object Refinery Limited. * * Original Author: David Gilbert (for Object Refinery Limited). * Contributor(s): -; * * $Id: Second.java,v 1.12 2004/04/26 19:12:03 taqua Exp $ * * Changes (since 24-Apr-2002) * --------------------------- * 24-Apr-2002 : Added standard header (DG); * 11-Oct-2002 : Fixed errors reported by Checkstyle (DG); * */ package org.jfree.chart.demo; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartFrame; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.ValueAxis; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.StandardXYItemRenderer; import org.jfree.chart.renderer.xy.XYItemRenderer; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; /** * A simple demo. * */ public class Second { /** * Starting point for the demo. * * @param args ignored. */ public static void main(final String[] args) { // create some data... final XYSeries series1 = new XYSeries("Advisory Range"); series1.add(new Integer(1200), new Integer(1)); series1.add(new Integer(1500), new Integer(1)); final XYSeries series2 = new XYSeries("Normal Range"); series2.add(new Integer(2000), new Integer(4)); series2.add(new Integer(2300), new Integer(4)); final XYSeries series3 = new XYSeries("Recommended"); series3.add(new Integer(2100), new Integer(2)); final XYSeries series4 = new XYSeries("Current"); series4.add(new Integer(2400), new Integer(3)); final XYSeriesCollection data = new XYSeriesCollection(); data.addSeries(series1); data.addSeries(series2); data.addSeries(series3); data.addSeries(series4); // create a chart... final JFreeChart chart = ChartFactory.createXYLineChart("My Chart", "Calories", "Y", data, PlotOrientation.VERTICAL, true, true, false); // **************************************************************************** // * JFREECHART DEVELOPER GUIDE * // * The JFreeChart Developer Guide, written by David Gilbert, is available * // * to purchase from Object Refinery Limited: * // * * // * http://www.object-refinery.com/jfreechart/guide.html * // * * // * Sales are used to provide funding for the JFreeChart project - please * // * support us so that we can continue developing free software. * // **************************************************************************** final XYItemRenderer renderer = new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES_AND_LINES, null); final XYPlot plot = (XYPlot) chart.getPlot(); plot.setRenderer(renderer); final ValueAxis axis = plot.getRangeAxis(); axis.setTickLabelsVisible(false); axis.setRange(0.0, 5.0); // create and display a frame... final ChartFrame frame = new ChartFrame("Test", chart); frame.pack(); frame.setVisible(true); } }