private void printStatistics() { // add statements into this method! System.out.println("****End of simulation report****"); System.out.println("\t" + " have arrived :" + totalArrival); System.out.println("\t" + " have gone away :" + numGoAway); System.out.println("\t" + " have been served :" + numServed); System.out.println("****Current gaspump info****"); ; gasStationObj.printStatistics(); System.out.println("\tTotal waiting time : " + totalWaitingTime); System.out.println("\tAverage waiting time : " + (totalWaitingTime / numServed)); System.out.println("****Busy Gas Pump info****"); while (!gasStationObj.emptyBusyGasPumpQ()) { GasPump tempgas = gasStationObj.removeBusyGasPumpQ(); tempgas.printStatistics(); } System.out.println("****Free Gas Pump Info****"); while (!gasStationObj.emptyFreeGasPumpQ()) { GasPump tempgas1 = gasStationObj.removeFreeGasPumpQ(); tempgas1.printStatistics(); } // print out simulation results // see the given example in project statement // you need to display all free and busy tellers }