Design patterns · interview question

When is the Adapter pattern most useful in integrating two systems?

Multiple choiceEasychapter-13-curatedpremiumdesign-patternsproxy-and-adapter

When you need to control access to resourcesWhen you need to add new features to an existing classWhen they have incompatible interfacesWhen you want to track changes and notify other components

Answer and explanation

Correct answer

C. When they have incompatible interfaces

Why

The Adapter pattern is most useful when two systems have incompatible interfaces but need to work together seamlessly.

Test yourself on Design patterns

A free test with instant, explained results. No account needed.

Start free test

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?

All Design patterns questions →

When is the Adapter pattern most useful in integrating two systems?

Correct answer

Why

More Design patterns questions