Agile Software Development: Clean Coding Practices

Learn why it's important to write code that's easily understood by both computers and humans, as well as how to do it in practice.

Introduction

• Write code for humans, not machines
• What you should know
• Clean code definition

1. Clean Names

• Why are clean names important?
• Prefer clarity over brevity
• Acronyms and abbreviations
• Class and type names
• Method and function names
• Variable names
• Parameter names
• Constant names

2. Clean Formatting

• Why clean formatting matters
• Indendation and bracket placement
• Line wrapping
• Whitespace
• Comments

3. Clean Logic

• Magic numbers and constants
• Parameter lists
• Predicate methods
• Making good use of loops

4. Clean Unit Tests

• What's a "unit" test?
• Keep your tests fast
• Single assertion per test
• Keep your tests isolated
• DRY vs. WET tests

Conclusion

• Next steps