code: public static void main(String[] argv) throws IOException {
      final File outputDir = new File(argv[0]);
  
      final Random rand = new Random();
      final double mean1 = 5.0;
      final double mean2 = 7.0;
      final double dev1 = 2.0;
      final double dev2 = 4.0;
  
      final double[] data1 = new double[100];
      final double[] data2 = new double[100];
  
      for (int i = 0; i < 100; ++i) {
        data1[i] = rand.nextGaussian() * dev1 + mean1;
        data2[i] = rand.nextGaussian() * dev2 + mean2;
      }
  
      BoxPlot.builder()
          .addDataset(Dataset.createAdoptingData("A", data1))
          .addDataset(Dataset.createAdoptingData("B", data2))
          .setTitle("A vs B")
          .setXAxis(Axis.xAxis().setLabel("FooCategory").build())
          .setYAxis(Axis.yAxis().setLabel("FooValue").setRange(Range.closed(0.0, 15.0)).build())
          .hideKey()
          .build().renderToEmptyDirectory(outputDir);
    }
docs: Little test program