Design Patterns Introduction — a practical guide to OOP design patterns with clear examples you can reuse in real projects.
OOP Tutorial Series (52/65). Prefer one article? Read the complete OOP tutorial.
Short description
Patterns are tools, not goals. Learn a few deeply (Factory, Strategy, Repository, Adapter) before collecting many.
Pattern categories
Creational → Factory, Singleton
Structural → Adapter, Decorator
Behavioral → Strategy, Observer