final TimeSeriesCollection targetTimeSeriesCollection = (TimeSeriesCollection) timeSeriesPlot.getDataset(targetCollectionIndex); if(targetTimeSeriesCollection != null) { targetTimeSeriesCollection.removeAllSeries();
final TimeSeriesCollection targetTimeSeriesCollection = (TimeSeriesCollection) timeSeriesPlot.getDataset(targetCollectionIndex); if(targetTimeSeriesCollection != null) { targetTimeSeriesCollection.removeAllSeries();