9 Multiple choice questions
- parent class
- child class
variables that are accessed directly by a subclass must be declared in
the interface section, and not in the implementation section. Instance
variables declared or synthesized in the implementation section are
PRIVATE instance variables and are not directly accessible by
the class to which the object belongs is checked. Then the parent
class, and then the next parent class, and so on. If you don't find the
method a warning message is generated.
- Fraction: NSObject
Fraction is the child or subclass.