3 — OO Design Heuristics
Purpose
[stub: oo-design-heuristics]
Planned coverage:
- Favor Composition
- Program to Interfaces
- Law of Demeter
- Tell Don’t Ask
- Command Query Separation
- Principle of Least Knowledge
Metadata
| Author | Amit Singh |
| Scope | low-level-design |
Local graph
Related notes
1 — SOLID Principles
The five SOLID principles — Single Responsibility through Dependency Inversion — as the baseline design discipline every LLD interview answer gets measured against.
2 — GRASP Principles
The nine GRASP patterns — Information Expert, Creator, Controller, Low Coupling, High Cohesion, and more — for assigning responsibility to the right class.
4 — Clean Code
The clean-code habits — naming, small methods, spotting code smells, and refactoring for readability — that keep a well-principled design from decaying in practice.
Low-Level Design for MAANG Interviews
A book-shaped table of contents for LLD interview prep: OOP fundamentals through SOLID, design principles, UML, design patterns, dependency management, reliability, concurrency, domain modeling, API design, testing, refactoring, classic interview problems, advanced architecture, and performance — cross-linking Object-Oriented Programming and Patterns instead of duplicating them.