Java tutorial
package org.jfree.chart.demo; import java.awt.Color; import java.awt.Dimension; import javax.swing.JPanel; import org.jfree.chart.ChartPanel; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.XYPlot; import org.jfree.chart.renderer.xy.XYErrorRenderer; import org.jfree.data.xy.IntervalXYDataset; import org.jfree.data.xy.YIntervalSeries; import org.jfree.data.xy.YIntervalSeriesCollection; import org.jfree.ui.ApplicationFrame; import org.jfree.ui.RefineryUtilities; public class XYErrorRendererDemo2 extends ApplicationFrame { private static final long serialVersionUID = 1L; public XYErrorRendererDemo2(String s) { super(s); JPanel jpanel = createDemoPanel(); jpanel.setPreferredSize(new Dimension(500, 270)); setContentPane(jpanel); } private static JFreeChart createChart(IntervalXYDataset intervalxydataset) { NumberAxis numberaxis = new NumberAxis("X"); NumberAxis numberaxis1 = new NumberAxis("Y"); XYErrorRenderer xyerrorrenderer = new XYErrorRenderer(); xyerrorrenderer.setBaseLinesVisible(true); xyerrorrenderer.setBaseShapesVisible(false); XYPlot xyplot = new XYPlot(intervalxydataset, numberaxis, numberaxis1, xyerrorrenderer); xyplot.setBackgroundPaint(Color.lightGray); xyplot.setDomainGridlinePaint(Color.white); xyplot.setRangeGridlinePaint(Color.white); JFreeChart jfreechart = new JFreeChart("XYErrorRenderer Demo 2", xyplot); jfreechart.setBackgroundPaint(Color.white); return jfreechart; } private static IntervalXYDataset createDataset() { YIntervalSeriesCollection yintervalseriescollection = new YIntervalSeriesCollection(); YIntervalSeries yintervalseries = new YIntervalSeries("Series 1"); yintervalseries.add(1.0D, 10D, 9D, 11D); yintervalseries.add(10D, 6.0999999999999996D, 4.3399999999999999D, 7.54D); yintervalseries.add(17.800000000000001D, 4.5D, 3.1000000000000001D, 5.7999999999999998D); YIntervalSeries yintervalseries1 = new YIntervalSeries("Series 2"); yintervalseries1.add(3D, 7D, 6D, 8D); yintervalseries1.add(13D, 13D, 11.5D, 14.5D); yintervalseries1.add(24D, 16.100000000000001D, 14.34D, 17.539999999999999D); yintervalseriescollection.addSeries(yintervalseries); yintervalseriescollection.addSeries(yintervalseries1); return yintervalseriescollection; } public static JPanel createDemoPanel() { return new ChartPanel(createChart(createDataset())); } public static void main(String args[]) { XYErrorRendererDemo2 xyerrorrendererdemo2 = new XYErrorRendererDemo2("JFreeChart: XYErrorRendererDemo2"); xyerrorrendererdemo2.pack(); RefineryUtilities.centerFrameOnScreen(xyerrorrendererdemo2); xyerrorrendererdemo2.setVisible(true); } }