All Subjects
Light
collapse
Practice Quizzes
AP Computer Science A
Unit 9 – Inheritance in Object-Oriented Programming
Topic 9.6
In Java, can a subclass object be assigned to a superclass reference variable?
No, it is not allowed, and attempting to do so will result in a run-time error.
No, it is not allowed, and attempting to do so will result in a compilation error.
Yes, but it requires explicit casting to avoid compilation errors.
Yes, it is allowed and does not require any casting.
Related content
Practice quizzes
Practice this subject
Practice this unit
Practice this topic
Study guides (1)
AP Computer Science A - 9.6 Polymorphism
Key terms
Java
Subclass
Superclass
Reference Variable
About Us
About Fiveable
Blog
Careers
Testimonials
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
Request a Feature
Report an Issue
Stay Connected
© 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.
About Us
About Fiveable
Blog
Careers
Testimonials
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
Request a Feature
Report an Issue
© 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.
Back
Practice Quiz
Guides
Glossary
Guides
Glossary
Next
