Design patterns · interview question
Which pattern would you choose to apply different pricing strategies without altering the client code?
Multiple choiceMediumchapter-13-curatedpremiumdesign-patternsdecorator-pattern
Answer and explanation
Correct answer
D. Decorator
Why
The Decorator pattern is ideal for applying different pricing strategies dynamically. By wrapping the pricing objects, it allows for the addition of new pricing strategies without modifying client code.
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?