AP Computer Science Aeasymcq1 pt
A subclass object can be stored in a superclass variable because
A.a subclass object is a kind of superclass object
B.all classes are identical
C.Java copies the object
D.the compiler converts the class
Explanation
Core Concept
The is-a relationship allows it.
Correct Answer
Aa subclass object is a kind of superclass object
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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