question: private void loadFiles ( String inputPath ) { this . root = inputPath ; try { log . info ( "Loading GTFS files from " + root ) ; loadStops ( ) ; loadCalendar ( ) ; loadCalendarDates ( ) ; loadShapes ( ) ; loadRoutes ( ) ; loadTrips ( ) ; loadStopTimes ( ) ; loadFrequencies ( ) ; log . info ( "All files loaded" ) ; } catch ( IOException e ) { e . printStackTrace ( ) ; } }
target:  Calls all methods to load the gtfs files