public XYSeriesCollection(XYSeries series)
 {
   XYSeriesCollection seriesCollection = this;
   this.data = (List) new ArrayList();
   this.intervalDelegate = new IntervalXYDelegate((XYDataset) this, false);
   this.addChangeListener((DatasetChangeListener) this.intervalDelegate);
   if (series == null)
     return;
   this.data.add((object) series);
   series.addChangeListener((SeriesChangeListener) this);
 }