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Virtual Credit Card Validator (Case Study)

Object-Oriented Programming · Capital One · Medium

Requirements Phase 1 — Product conversation Discuss the advantages and drawbacks of virtual credit cards for both cardholders and the bank. The interviewer commonly looks for coverage of fraud prevention, merchant-restricted cards, the choice between single-use and reusable numbers, added customer effort, and the bank's reconciliation work. Spend approximately 5–10 minutes on this part. The evaluation emphasizes a well-organized answer rather than an exhaustive list. Phase 2…

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