Object-oriented programming · interview question
In what scenario might polymorphism cause unexpected behavior in Java applications?
Multiple choiceHardchapter-5-curatedpremiumooppolymorphism
Answer and explanation
Correct answer
A. When a method in a subclass has a side effect not present in the superclass
Why
Polymorphism might cause unexpected behavior if a method in a subclass has side effects that are not present in the superclass. Callers relying on the superclass contract might be surprised by additional behaviors in the subclass.
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