In the challenge question, it says both tow trucks and delivery trucks should have a fuel reserve of 200. In the answer to the challenge question, no fuel is specified in either subclass.
Proposed Solution:
In the initializer for TowTruck, set the fuel to 200.
Ini the initializer for DeliveryTruck, set the fuel to 200.
In the challenge question, it says both tow trucks and delivery trucks should have a fuel reserve of 200. In the answer to the challenge question, no fuel is specified in either subclass.
Proposed Solution: