File list (Check if you may need any files):
Elevator
........\.classpath
........\.DS_Store
__MACOSX
........\Elevator
........\........\._.DS_Store
Elevator\.project
........\.settings
........\.........\org.eclipse.jdt.core.prefs
........\bin
........\...\.DS_Store
__MACOSX\Elevator\bin
........\........\...\._.DS_Store
Elevator\bin\AbstractBuilding.class
........\...\AbstractElevator.class
........\...\AbstractEventBarrier.class
........\...\Building.class
........\...\Elevator.class
........\...\ElevatorTest.class
........\...\EventBarrier.class
........\...\Rider.class
........\Elevator.log
........\Elevator鍓