A dataset containing one or more data series containing (x, y) data items,
where all series in the dataset share the same set of x-values. This is a
restricted form of the
XYDataset interface (which allows independent
x-values between series). This is used primarily by the
org.jfree.chart.renderer.xy.StackedXYAreaRenderer .
Method Summary
public int
getItemCount() Returns the number of items every series.