Clean Code Course Index — Dataplexa

Clean Code
Course Index

28 Lessons · 3 Sections

Master clean code — the craft of writing readable, maintainable & elegant code. Based on Robert C. Martin's foundational book. Covers naming, functions, error handling, refactoring, code smells, SOLID, DRY/YAGNI/KISS & clean architecture. Includes 4 production builds: codebase refactor, linting pipeline, clean REST API & team style guide.

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28Lessons

3Sections

4Projects

FreeAccess

Section 1Clean Code FundamentalsLessons 1–10

What is Clean Code? Robert C. Martin's Vision

Naming: Variables, Functions & Classes

Functions: Small, Single-Purpose & Testable

Comments: When to Write & When to Delete

Formatting & Code Style

Error Handling: Exceptions vs Return Codes

Objects & Data Structures

Boundaries: Working with Third-Party Code

Unit Tests & the Three Laws of TDD

Classes: Single Responsibility & Cohesion

Section 2Advanced Clean Code & Language ApplicationLessons 11–22

Systems: Scaling Clean Architecture

Emergence: Simple Design Rules

Concurrency: Writing Thread-Safe Code

Refactoring: Improving Without Breaking

Code Smells: Recognising Bad Code

DRY, YAGNI & KISS Principles

Clean Code in Python

Clean Code in JavaScript/TypeScript

Clean Code in Java

Linters & Static Analysis: ESLint, SonarQube

Code Reviews for Clean Code

AI-Generated Code & Cleanliness 2026

Section 3Clean Architecture, Culture & ProjectsLessons 23–28

Clean Architecture: The Dependency Rule

Clean Code Culture & Team Standards

Refactor a Messy Codebase to Clean Code

Set Up a Linting & Formatting Pipeline

Write a Clean REST API

Build a Clean Code Style Guide for a Team

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Clean Code Course Index

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