Abstraction

Understand the power of abstraction in programming with clear Java examples and practical insights. Learn how abstraction simplifies code, improves maintainability, and supports flexible design through common patterns like Strategy, Template Method, and Factory.

WET (Write Everything Twice) and AHA (Avoid Hasty Abstractions) challenge overzealous DRY by embracing mindful duplication to avoid premature, fragile abstractions. This article offers a technical and philosophical comparison of both principles, helping developers decide when abstraction truly adds value.