Quick study sessions to strengthen memory and retain key concepts.
Common Pitfall of Factory Pattern?
Overcomplicating simple object creation. Frame the concept in practical terms so you can explain it during interview discussion.…
View Card →Factory Pattern vs. Concrete Instantiation?
Factory abstracts creation logic. Frame the concept in practical terms so you can explain it during interview discussion.…
View Card →Factory Pattern and Spring?
Spring IoC acts like a super-factory. Frame the concept in practical terms so you can explain it during…
View Card →Advantages of Factory Pattern?
Factories promote loose coupling. Frame the concept in practical terms so you can explain it during interview discussion.…
View Card →Understanding the Factory Pattern?
The Factory Pattern centralizes object creation. The Factory Pattern provides a way to centralize the creation of objects,…
View Card →What testing benefit comes from a stable `PaymentGateway` seam?
Checkout can be tested against one contract while vendor mapping stays isolated in adapter tests. A clean integration…
View Card →Why combine Factory and Adapter at a payment boundary?
The factory selects the provider and the adapter hides vendor-specific API shape. Real payment integrations often need more…
View Card →How can the Decorator Pattern dynamically extend an object's functionality without altering its structure?
By wrapping the object with a new class that adds additional behavior. The Decorator Pattern allows you to…
View Card →What are common mistakes to avoid when implementing the Decorator pattern?
Creating cyclic dependencies and ignoring performance impacts. A common mistake is introducing cyclic dependencies between decorators, which can…
View Card →How can the Decorator pattern prevent over-engineering?
By providing a simple way to add features without complex inheritance. The Decorator pattern offers a straightforward mechanism…
View Card →