COMP 249 FINAL REVISION 2024 EXAM PREP (Object-Oriented Programming II) (Concordia University)

COMP 249 FINAL REVISION 2024 EXAM PREP (Object-Oriented Programming II) (Concordia University) INHERITANCE -Public class DerivedClass extends BaseClass{...} -Although a subclass inherits all members of its superclass, it cannot access the superclass’s private members by name -Inheritance implements an is-a relationship, because a subclass is a more specialized version of its superclass and composition is an has-a relationship -The class Object is the only class without a superclass (base class) -The class Object is the superclass of all classes. -The access permission of overridden methods: can be changed to something more permissive but not to something more restrictive -instanceof returns true if it is a member of this class or if it is a descendent of that class(getClass is more exact) -a static variable is specific to the class and not the object itself