@Override public String generateToolTip(XYDataset dataset, int series, int item) { return dataset.getSeriesKey(series) + ", " + super.generateToolTip(dataset, series, item); } });
@Override public String generateToolTip(XYDataset dataset, int series, int item) { return dataset.getSeriesKey(series) + ", " + super.generateToolTip(dataset, series, item); } });