Design patterns · interview question
In a payment processing system, you notice that adding a new payment processor requires modifying multiple classes. Which design pattern might help refactor this architecture to make it more scalable?
Multiple choiceHardchapter-13-curatedpremiumdesign-patternsfactory-pattern
Answer and explanation
Correct answer
A. Factory Pattern
Why
The Factory Pattern can be used to encapsulate the instantiation logic of payment processors, allowing new types to be added without modifying existing client code, thus adhering to the Open/Closed Principle.
Test yourself on Design patterns
A free test with instant, explained results. No account needed.
More Design patterns questions
- Which principle is most closely aligned with the Factory Pattern?
- Which scenario is least suited for the Decorator pattern?
- Why is it important for a decorator to share the same interface as the object it decorates?
- In an e-commerce application, you want to delay loading product images until they are actually needed. Which design…
- You are designing a system with multiple types of notifications (email, SMS, push). How can the Factory Pattern help…
- Which situation is the clearest example of over-engineering with the Strategy Pattern?