Design patterns · interview question
What should a payment adapter own when integrating a vendor SDK?
Multiple choiceMediumchapter-13-curatedpremiumdesign-patternsadapter-pattern
Answer and explanation
Correct answer
D. Translation between your domain model and the vendor's request and response shapes
Why
Adapters exist to hide external interface mismatch. They should convert between your application's vocabulary and the vendor's SDK details so checkout logic stays business-focused.
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