Design a system for Payments and Cards
Design a system to handle payments and cards (credit & debit). The initial task involves creating UML class diagrams, identifying necessary classes, and defining their relationships and cardinalities. Subsequently, the design needs to be extended to accommodate two new, unspecified requirements. Finally, the interviewer will ask specific questions, such as how to efficiently determine the number of debit cards linked to a particular customer.
AI interview prep
Core dilemma
Balancing the complexity of financial transactions and card management with the need for a clear, extensible object model and efficient data retrieval.
3 tradeoffs and 3 stress tests locked
Interview prep
Unlock the interviewer X-Ray rubric, tradeoff matrix, stress tests, clarifying questions, and key concepts.
Design a system for Payments and Cards
Design a system to handle payments and cards (credit & debit). The initial task involves creating UML class diagrams, identifying necessary classes, and defining their relationships and cardinalities. Subsequently, the design needs to be extended to accommodate two new, unspecified requirements. Finally, the interviewer will ask specific questions, such as how to efficiently determine the number of debit cards linked to a particular customer.