Learn how to write effective design documents that clarify thinking, surface trade-offs, and drive better technical decisions. Includes templates, real examples, and a framework for when to write one.
Learn how to design object-oriented systems that are maintainable, flexible, and scalable. Master CRC cards, GRASP patterns, coupling and cohesion, responsibility-driven design, and practical design heuristics with examples in TypeScript, Python, and Java.
Master object-oriented programming and design patterns with this comprehensive roadmap. Learn the four pillars of OOP, SOLID principles, and 11 essential design patterns with real-world examples in TypeScript, Python, and Java.