Design Patterns in C#

Module 1: Creational Design Patterns

1 Singleton Pattern — Complete Guide 9 min 2 Factory Method Pattern — Complete Guide 9 min 3 Abstract Factory Pattern — Complete Guide 9 min 4 Builder Pattern — Complete Guide 9 min 5 Prototype Pattern — Complete Guide 9 min

Module 2: Structural Design Patterns

6 Adapter Pattern — Complete Guide 9 min 7 Bridge Pattern — Complete Guide 9 min 8 Composite Pattern — Complete Guide 9 min 9 Decorator Pattern — Complete Guide 9 min 10 Facade Pattern — Complete Guide 9 min 11 Flyweight Pattern — Complete Guide 9 min 12 Proxy Pattern — Complete Guide 9 min

Module 3: Behavioral Design Patterns

13 Chain of Responsibility Pattern — Complete Guide 9 min 14 Command Pattern — Complete Guide 9 min 15 Interpreter Pattern — Complete Guide 9 min 16 Iterator Pattern — Complete Guide 9 min 17 Mediator Pattern — Complete Guide 9 min 18 Memento Pattern — Complete Guide 9 min 19 Observer Pattern — Complete Guide 9 min 20 State Pattern — Complete Guide 9 min 21 Strategy Pattern — Complete Guide 9 min 22 Template Method Pattern — Complete Guide 9 min 23 Visitor Pattern — Complete Guide 9 min

Module 4: Enterprise Design Patterns

24 Repository Pattern — Complete Guide 9 min 25 Unit of Work Pattern — Complete Guide 9 min 26 CQRS Pattern — Complete Guide 9 min 27 Specification Pattern — Complete Guide 9 min 28 Dependency Injection Pattern — Complete Guide 9 min 29 Mediator Pattern with MediatR — Complete Guide 9 min 30 Saga Pattern — Complete Guide 9 min 31 Event Sourcing Pattern — Complete Guide 9 min 32 Outbox Pattern — Complete Guide 9 min 33 Retry Pattern — Complete Guide 9 min 34 Circuit Breaker Pattern — Complete Guide 9 min

Module 5: Modern Enterprise Patterns

35 CQRS Pattern — Event-Driven Deep Dive 9 min 36 Mediator Pattern with MediatR — Pipeline Behaviors 10 min 37 Specification Pattern — Enterprise Query Design 9 min 38 Saga Pattern — Choreography vs Orchestration 9 min 39 Outbox Pattern — Reliable Event Publishing 9 min 40 Retry Pattern — Polly Resilience Strategies 9 min 41 Circuit Breaker Pattern — Cloud-Native Fault Tolerance 9 min 42 Event Sourcing Pattern — Audit & Replay Systems 9 min 43 Domain Events Pattern — Complete Guide 9 min 44 Publish-Subscribe Pattern — Complete Guide 9 min

Module 6: Microservices & Cloud Patterns

45 API Gateway Pattern — Complete Guide 9 min 46 Backend for Frontend (BFF) Pattern — Complete Guide 10 min 47 Sidecar Pattern — Complete Guide 9 min 48 Database Per Service Pattern — Complete Guide 10 min 49 Shared Database Anti-Pattern — Complete Guide 10 min 50 Service Discovery Pattern — Complete Guide 9 min 51 Bulkhead Pattern — Complete Guide 9 min 52 Strangler Fig Pattern — Complete Guide 9 min 53 Leader Election Pattern — Complete Guide 9 min 54 Distributed Cache Pattern — Complete Guide 9 min 55 Rate Limiting Pattern — Complete Guide 9 min

Module 7: ASP.NET Core Architecture Patterns

56 Middleware Pattern in ASP.NET Core — Complete Guide 9 min 57 Options Pattern in ASP.NET Core — Complete Guide 9 min 58 Hosted Service Pattern — Complete Guide 9 min 59 Pipeline Pattern in ASP.NET Core — Complete Guide 9 min 60 Dependency Injection in ASP.NET Core — Complete Guide 10 min 61 Minimal API Pattern — Complete Guide 9 min 62 Clean Architecture Pattern — Complete Guide 9 min 63 Vertical Slice Architecture Pattern — Complete Guide 9 min

Module 8: Interview & System Design

64 How Design Patterns Are Asked in Interviews — Complete Guide 10 min 65 How Senior Developers Use Design Patterns — Complete Guide 10 min 66 When NOT to Use Design Patterns — Complete Guide 10 min 67 Overengineering Problems in Enterprise Applications — Complete Guide 10 min 68 Pattern vs Anti-Pattern — Complete Guide 10 min 69 Refactoring Legacy Code Using Design Patterns — Complete Guide 10 min