Spring Core · interview question
Which layer should coordinate inventory checks, payment, and order persistence for a checkout request?
Multiple choiceEasychapter-9-curatedpremiumspring-corecontrollers-services-repositories
Answer and explanation
Correct answer
D. The service layer
Why
A service is the right place to coordinate a business use case that spans several collaborators. That keeps controllers thin and repositories focused on data access instead of business orchestration.
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