Roadmap › 1. .NET › Step 11

SO

SOLID Principles with Examples

The five SOLID principles with bad-vs-good C# code, plus DRY, KISS, YAGNI, dependency injection and how SOLID shows up in ASP.NET Core.

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Start lesson 1 Versions, lifecycle & tools Interview Q&A

Interview priority:★ Must know High priority — asked in almost every interview, learn firstMedium asked regularlyLow good to know

Module 1: S and O

1.S — Single Responsibility PrincipleBasic ★ Must know
2.O — Open/Closed PrincipleBasic ★ Must know

Module 2: L, I and D

3.L — Liskov Substitution PrincipleIntermediate ★ Must know
4.I — Interface Segregation PrincipleIntermediate ★ Must know
5.D — Dependency Inversion PrincipleIntermediate ★ Must know
6.Dependency injection lifetimes in ASP.NET CoreIntermediate ★ Must know

Module 3: Related Principles

7.DRY, KISS, YAGNI and separation of concernsBasic Medium
8.SOLID in a layered / Clean Architecture solutionAdvanced Medium

Next course in the roadmap: 12. Design Patterns (GoF + Enterprise) in C# →