Additional Notes
How do you read polymorphic code correctly?
Track: Java
Topic: OOP
Focus: Code Reading with Related Types
Java: Code Reading with Related Types
Answer
Track both the abstraction the caller sees and the real object type that supplies overridden behavior.
Polymorphic code is easiest to misread when you look at only one type. The reference type tells you what operations are visible; the runtime object tells you which override actually runs.
Polymorphic code is easiest to misread when you look at only one type. The reference type tells you what operations are visible; the runtime object tells you which override actually runs.
Topics: Code Reading with Related Types Java OOP