Origin & Overview

Uncle Bob & The Book

• Clean Code book

• Robert C. Martin a.k.a. Uncle Bob

Named principles

• In the book: SRP, OCP, DIP, (IoC), DI, DRY, LOD, BSR, F.I.R.S.T.

• Not in the book: LSP, ISP, YAGNI, KISS, S.O.L.I.D.

Coding

• SRP Single Responsibility Principle

• OCP Open Closed Principle

• DIP Dependency Inversion Principle

• (IoC) Inversion of Control

• DI Dependency Injection

• DRY Don't Repeat Yourself

• LOD Law of Demeter

• BSR Boy Scout Rule

• LSP Liskov Substitution Principle

• ISP Interface Segregation Principle

• YAGNI You Ain't Gonna Need It

• KISS Keep It Simple Stupid

• S.O.L.I.D SRP + OPC + LSP + ISP + DIP

Testing

• F.I.R.S.T. Fast, Independent, Repeatable, Self-validating, Timely

Why clean code?

• The total cost of owning a mess
• The real measure of code quality

What is bad code like?

Readability

• Spaghetti code

• Dependencies

• Fragile code

• Unreadable

• Mind mapping

• Duplication

• Unexpected

• Magic numbers

• Overcomplexity

• Code smell

• Antipatterns

• Technical debt

Functionality

• Bugs

• Does not fulfill the specification

• Side effects

Programmer style

• Careless

• Sloppy

• Lazy

• Quick and dirty

What is clean code like?

• Elegant

• Simple

• Direct

• Readable

• Expressive

• Carefully written

• Tested

• Bugs cannot hide

• Art