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Programming and Software Development
Clean Code and Software Craftsmanship
Write code that colleagues can read, change and trust, and improve existing code safely through testing, refactoring and effective reviews.
About this course
Write code your team thanks you for. SOLID principles, refactoring techniques and code review skills that turn working code into professional code.
What you will learn
- Choose clear names and write small, focused functions that reveal their intent.
- Decide when a comment adds value and when better code should replace it.
- Apply SOLID, DRY, KISS and YAGNI, and judge coupling and cohesion in real designs.
- Recognise common code smells and fix them with named refactoring moves.
- Refactor legacy code safely using characterisation tests and small, reversible steps.
- Run constructive code reviews and write documentation that helps the next developer.
Curriculum
Module 1Clean Code Foundations4 lessons
- 1Why Code Quality Compounds Free preview
- 2Naming Things Well
- 3Functions: Small and Focused
- 4Comments: When and When Not
- QModule quiz (4 questions)
Module 2Design Principles4 lessons
- 5SOLID Principles in Practice
- 6DRY, KISS and YAGNI
- 7Coupling and Cohesion
- 8Code Smells Catalogue
- QModule quiz (4 questions)
Module 3Refactoring4 lessons
- 9Refactoring Safely with Tests
- 10Common Refactoring Moves
- 11Working with Legacy Code
- 12Technical Debt Management
- QModule quiz (4 questions)
Module 4Craftsmanship Culture3 lessons
- 13Code Reviews That Improve Teams
- 14Documentation That Helps
- 15Course Project: Refactor a Messy Codebase
- QModule quiz (4 questions)
PFinal project: Refactor the savings group statement generator
Who this course is for
- Beginner and junior developers who can write working code and want it to be maintainable.
- Self-taught programmers preparing to work in professional teams.
- Team leads and freelancers who inherit or review other people's code.
Requirements
- Basic programming experience in any language; examples mainly use Python with some JavaScript.
- A computer with a code editor and Python 3 installed.
- Some familiarity with Git is helpful but not required.
What is included
Written lessons
15 lessons, each with a practical exercise and key points to remember.
Module quizzes
A short quiz at the end of each module. Pass mark 70%, and you can retake it.
Final project
Refactor the savings group statement generator. A practical brief with steps and a way to check your own work.
Certificate
A certificate of completion from EMFAD Courses with a unique code anyone can verify.
How the certificate works
Complete every lesson and pass every module quiz with 70% or more. Your certificate then appears in your learner area, ready to print or save as PDF. It shows your name, the course title, the completion date and a unique code. It is a certificate of completion from EMFAD Courses, not an accredited qualification.
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