design-patterns-mastery

To implement GoF design patterns correctly, use proven idiomatic solutions featuring multi-language code examples for Java, Python, Kotlin, and Rust. This prevents over-engineering by providing ASCII UML diagrams and explicit anti-pattern warnings to avoid introducing technical debt.

You should use the Factory Method pattern to build a scalable notification system when you need to support multiple delivery channels like email, SMS, and Slack without tight coupling. It allows adding new channels without modifying existing business logic.

Classic GoF patterns focus on object-oriented creational, structural, and behavioral solutions, while modern functional patterns include Result monads and Pipelines. Both manage recurring software design problems but apply different programming paradigms to achieve maintainable systems.

Yes, this design pattern guidance supports Python and Rust, alongside Java and Kotlin. It provides idiomatic code examples tailored to each language's specific paradigms for both classic object-oriented and modern functional patterns.

To avoid over-engineering code when applying object-oriented design patterns, follow explicit when-to-use and when-not-to-use rules. Clear anti-pattern warnings and visual structural diagrams help ensure patterns are applied correctly without creating unmaintainable technical debt.