Typical string representation is of the form:
Direction Requests For Elevator At Floor: 0- 1-UD 2- 3- 4- 5- 6- 7- 8- 9-
In this example, there are 10 floors and up and down requests on the 1st floor
Tested by JUnit_FloorButtonsInElevator.test_toString()
Lists the floors that have been requested inside the elevator
Typical output is of the form:
Requested Floors Inside Elevator: 2 4 7
In this example, the floors requested (2,4 and 7) are listed in order and separated by single spaces