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AP Computer Science A
Unit 9 – Inheritance in Object-Oriented Programming
Topic 9.5
If you try to assign an object of a subclass to a reference variable of the superclass type, what will happen?
There will be a runtime error
Java will ignore the line trying to perform this assignment
The object will be successfully assigned to the reference variable
There will be a compile-time error
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AP Computer Science A - 9.5 Creating References Using Inheritance Hierarchies
Key terms
Object
Subclass
Superclass
Assign
Reference Variable
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About Fiveable
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Resources
Cram Mode
AP Score Calculators
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© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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