A passenger van can be configured with different seating capacities, up to a maximum capacity $($the default$).$ Provide a "seats property with methods for getting and setting the currently configured number of seats. Reject efforts to set an improper number of seats. Not all lines are useful.

How to use this tool

Unused

maximumCapacity $=$ maxPassengers;

maxPassengers $=$ maximumCapacity;

if $($newValue $0)$

if $($newValue $$ maximumCapacity$)$

if newValue && newValue maximumCapacity