AP Computer Science Amediummcq1 pt
If Animal a = new Dog() and Dog overrides speak, then a.speak()
A.calls Dog's speak
B.calls Animal's speak
C.fails to compile
D.calls Object's speak
Explanation
Core Concept
Dynamic dispatch uses the object's class.
Correct Answer
Acalls Dog's speak
More Unit 9: Inheritance practice questions
- mediumA superclass reference to a subclass object can call
- mediumAn overridden method may call the parent version with
- mediumWhich class is a subclass of Object?
- mediumWhich method is present in the Object class?
- hardWhich describes dynamic dispatch?
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