private static JFreeChart createChart() {
   DateAxis dateaxis = new DateAxis("Date");
   dateaxis.setTickMarkPosition(DateTickMarkPosition.MIDDLE);
   NumberAxis numberaxis = new NumberAxis("Value");
   IntervalXYDataset intervalxydataset = createDataset1();
   XYBarRenderer xybarrenderer = new XYBarRenderer(0.20000000000000001D);
   xybarrenderer.setBaseToolTipGenerator(
       new StandardXYToolTipGenerator(
           "{0}: ({1}, {2})", new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));
   XYPlot xyplot = new XYPlot(intervalxydataset, dateaxis, numberaxis, xybarrenderer);
   NumberAxis numberaxis1 = new NumberAxis("Value 2");
   xyplot.setRangeAxis(1, numberaxis1);
   XYDataset xydataset = createDataset2A();
   StandardXYItemRenderer standardxyitemrenderer = new StandardXYItemRenderer();
   standardxyitemrenderer.setBaseToolTipGenerator(
       new StandardXYToolTipGenerator(
           "{0}: ({1}, {2})", new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.00")));
   xyplot.setDataset(1, xydataset);
   xyplot.setRenderer(1, standardxyitemrenderer);
   XYDataset xydataset1 = createDataset2B();
   xyplot.setDataset(2, xydataset1);
   xyplot.setRenderer(2, new StandardXYItemRenderer());
   xyplot.mapDatasetToRangeAxis(2, 1);
   xyplot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
   xyplot.setOrientation(PlotOrientation.VERTICAL);
   JFreeChart jfreechart =
       new JFreeChart("Overlaid XYPlot Demo 2", JFreeChart.DEFAULT_TITLE_FONT, xyplot, true);
   ChartUtilities.applyCurrentTheme(jfreechart);
   return jfreechart;
 }
    public MyDemoPanel() {
      super(new BorderLayout());
      lastValue = new double[3];
      CombinedDomainXYPlot combineddomainxyplot = new CombinedDomainXYPlot(new DateAxis("Time"));
      datasets = new TimeSeriesCollection[3];
      for (int i = 0; i < 3; i++) {
        lastValue[i] = 100D;
        TimeSeries timeseries = new TimeSeries("Random " + i);
        datasets[i] = new TimeSeriesCollection(timeseries);
        NumberAxis numberaxis = new NumberAxis("Y" + i);
        numberaxis.setAutoRangeIncludesZero(false);
        XYPlot xyplot = new XYPlot(datasets[i], null, numberaxis, new StandardXYItemRenderer());
        xyplot.setBackgroundPaint(Color.lightGray);
        xyplot.setDomainGridlinePaint(Color.white);
        xyplot.setRangeGridlinePaint(Color.white);
        combineddomainxyplot.add(xyplot);
      }

      JFreeChart jfreechart = new JFreeChart("Dynamic Data Demo 3", combineddomainxyplot);
      addChart(jfreechart);
      LegendTitle legendtitle = (LegendTitle) jfreechart.getSubtitle(0);
      legendtitle.setPosition(RectangleEdge.RIGHT);
      legendtitle.setMargin(new RectangleInsets(UnitType.ABSOLUTE, 0.0D, 4D, 0.0D, 4D));
      jfreechart.setBorderPaint(Color.black);
      jfreechart.setBorderVisible(true);
      ValueAxis valueaxis = combineddomainxyplot.getDomainAxis();
      valueaxis.setAutoRange(true);
      valueaxis.setFixedAutoRange(20000D);
      ChartUtilities.applyCurrentTheme(jfreechart);
      ChartPanel chartpanel = new ChartPanel(jfreechart);
      add(chartpanel);
      JPanel jpanel = new JPanel(new FlowLayout());
      for (int j = 0; j < 3; j++) {
        JButton jbutton1 = new JButton("Series " + j);
        jbutton1.setActionCommand("ADD_DATA_" + j);
        jbutton1.addActionListener(this);
        jpanel.add(jbutton1);
      }

      JButton jbutton = new JButton("ALL");
      jbutton.setActionCommand("ADD_ALL");
      jbutton.addActionListener(this);
      jpanel.add(jbutton);
      add(jpanel, "South");
      chartpanel.setPreferredSize(new Dimension(500, 470));
      chartpanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
    }