Java tutorial
package org.jfree.chart.demo; import java.awt.Color; import java.awt.Dimension; import javax.swing.JPanel; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYBarRenderer; import org.jfree.data.xy.DefaultIntervalXYDataset; import org.jfree.data.xy.IntervalXYDataset; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; public class XYBarChartDemo6 extends ApplicationFrame { private static final long serialVersionUID = 1L; public XYBarChartDemo6(String s) { super(s); JPanel jpanel = createDemoPanel(); jpanel.setPreferredSize(new Dimension(500, 300)); setContentPane(jpanel); } private static JFreeChart createChart(IntervalXYDataset intervalxydataset) { JFreeChart jfreechart = ChartFactory.createXYBarChart("XYBarChartDemo6", "X", false, "Y", intervalxydataset, PlotOrientation.HORIZONTAL, false, false, false); jfreechart.setBackgroundPaint(Color.white); XYPlot xyplot = (XYPlot) jfreechart.getPlot(); XYBarRenderer xybarrenderer = (XYBarRenderer) xyplot.getRenderer(); xybarrenderer.setUseYInterval(true); xyplot.setBackgroundPaint(Color.lightGray); xyplot.setDomainGridlinePaint(Color.white); xyplot.setRangeGridlinePaint(Color.white); return jfreechart; } private static IntervalXYDataset createDataset() { DefaultIntervalXYDataset defaultintervalxydataset = new DefaultIntervalXYDataset(); double ad[] = { 1.0D, 2D, 3D, 4D }; double ad1[] = { 0.90000000000000002D, 1.8D, 2.7000000000000002D, 3.6000000000000001D }; double ad2[] = { 1.1000000000000001D, 2.2000000000000002D, 3.2999999999999998D, 4.4000000000000004D }; double ad3[] = { 1.0D, 2D, 3D, 4D }; double ad4[] = { 0.90000000000000002D, 1.8D, 2.7000000000000002D, 3.6000000000000001D }; double ad5[] = { 1.1000000000000001D, 2.2000000000000002D, 3.2999999999999998D, 4.4000000000000004D }; double ad6[][] = { ad, ad1, ad2, ad3, ad4, ad5 }; defaultintervalxydataset.addSeries("Series 1", ad6); return defaultintervalxydataset; } public static JPanel createDemoPanel() { return new ChartPanel(createChart(createDataset())); } public static void main(String args[]) { XYBarChartDemo6 xybarchartdemo6 = new XYBarChartDemo6("JFreeChart : XYBarChartDemo6"); xybarchartdemo6.pack(); RefineryUtilities.centerFrameOnScreen(xybarchartdemo6); xybarchartdemo6.setVisible(true); } }