public static JFreeChart createChart() {
   DefaultCategoryDataset defaultcategorydataset = new DefaultCategoryDataset();
   defaultcategorydataset.addValue(1.0D, "S1", "Category 1");
   defaultcategorydataset.addValue(4D, "S1", "Category 2");
   defaultcategorydataset.addValue(3D, "S1", "Category 3");
   defaultcategorydataset.addValue(5D, "S1", "Category 4");
   defaultcategorydataset.addValue(5D, "S1", "Category 5");
   defaultcategorydataset.addValue(7D, "S1", "Category 6");
   defaultcategorydataset.addValue(7D, "S1", "Category 7");
   defaultcategorydataset.addValue(8D, "S1", "Category 8");
   defaultcategorydataset.addValue(5D, "S2", "Category 1");
   defaultcategorydataset.addValue(7D, "S2", "Category 2");
   defaultcategorydataset.addValue(6D, "S2", "Category 3");
   defaultcategorydataset.addValue(8D, "S2", "Category 4");
   defaultcategorydataset.addValue(4D, "S2", "Category 5");
   defaultcategorydataset.addValue(4D, "S2", "Category 6");
   defaultcategorydataset.addValue(2D, "S2", "Category 7");
   defaultcategorydataset.addValue(1.0D, "S2", "Category 8");
   StandardCategoryItemLabelGenerator standardcategoryitemlabelgenerator =
       new StandardCategoryItemLabelGenerator();
   BarRenderer barrenderer = new BarRenderer();
   barrenderer.setBaseItemLabelGenerator(standardcategoryitemlabelgenerator);
   barrenderer.setBaseItemLabelsVisible(true);
   CategoryPlot categoryplot = new CategoryPlot();
   categoryplot.setDataset(defaultcategorydataset);
   categoryplot.setRenderer(barrenderer);
   categoryplot.setDomainAxis(new CategoryAxis("Category"));
   categoryplot.setRangeAxis(new NumberAxis("Value"));
   categoryplot.setOrientation(PlotOrientation.VERTICAL);
   categoryplot.setRangeGridlinesVisible(true);
   categoryplot.setDomainGridlinesVisible(true);
   DefaultCategoryDataset defaultcategorydataset1 = new DefaultCategoryDataset();
   defaultcategorydataset1.addValue(9D, "T1", "Category 1");
   defaultcategorydataset1.addValue(7D, "T1", "Category 2");
   defaultcategorydataset1.addValue(2D, "T1", "Category 3");
   defaultcategorydataset1.addValue(6D, "T1", "Category 4");
   defaultcategorydataset1.addValue(6D, "T1", "Category 5");
   defaultcategorydataset1.addValue(9D, "T1", "Category 6");
   defaultcategorydataset1.addValue(5D, "T1", "Category 7");
   defaultcategorydataset1.addValue(4D, "T1", "Category 8");
   LineAndShapeRenderer lineandshaperenderer = new LineAndShapeRenderer();
   categoryplot.setDataset(1, defaultcategorydataset1);
   categoryplot.setRenderer(1, lineandshaperenderer);
   NumberAxis numberaxis = new NumberAxis("Axis 2");
   categoryplot.setRangeAxis(1, numberaxis);
   DefaultCategoryDataset defaultcategorydataset2 = new DefaultCategoryDataset();
   defaultcategorydataset2.addValue(94D, "R1", "Category 1");
   defaultcategorydataset2.addValue(75D, "R1", "Category 2");
   defaultcategorydataset2.addValue(22D, "R1", "Category 3");
   defaultcategorydataset2.addValue(74D, "R1", "Category 4");
   defaultcategorydataset2.addValue(83D, "R1", "Category 5");
   defaultcategorydataset2.addValue(9D, "R1", "Category 6");
   defaultcategorydataset2.addValue(23D, "R1", "Category 7");
   defaultcategorydataset2.addValue(98D, "R1", "Category 8");
   categoryplot.setDataset(2, defaultcategorydataset2);
   LineAndShapeRenderer lineandshaperenderer1 = new LineAndShapeRenderer();
   categoryplot.setRenderer(2, lineandshaperenderer1);
   categoryplot.mapDatasetToRangeAxis(2, 1);
   categoryplot.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
   categoryplot.getDomainAxis().setCategoryLabelPositions(CategoryLabelPositions.UP_45);
   JFreeChart jfreechart = new JFreeChart(categoryplot);
   jfreechart.setTitle("Overlaid Bar Chart");
   return jfreechart;
 }