Object-oriented programming · interview question
Why might a deep inheritance hierarchy be problematic in a Java application handling various types of payments?
Multiple choiceHardchapter-5-curatedpremiumoopcomposition-vs-inheritance
Answer and explanation
Correct answer
B. It can lead to fragile code that is hard to maintain.
Why
A deep inheritance hierarchy can lead to fragile code because changes in a superclass can have widespread effects on subclasses. This makes the code more difficult to maintain and less flexible when adding new types or changing behaviors.
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