question: public static List seriesNameListFromDataArray ( Object [ ] [ ] data ) { int seriesCount = data . length ; List seriesNameList = new java . util . ArrayList ( seriesCount ) ; for ( int i = 0 ; i < seriesCount ; i ++ ) { seriesNameList . add ( "Series " + ( i + 1 ) ) ; } return seriesNameList ; }
target:  Utility method for automatically generating series names.