Object-oriented programming · interview question
Why is composition often better when tax, discount, or payment behavior changes independently of the main type?
Multiple choiceEasychapter-5-curatedpremiumoopcomposition-vs-inheritance
Answer and explanation
Correct answer
A. It swaps collaborators without forcing a rigid hierarchy rebuild
Why
Composition keeps behavior in smaller replaceable parts. When one policy changes without redefining the whole main type, composition keeps the change local and the design more flexible.
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