Clean Code

• Learn how to write code which is readable and understandable
• Keep code alive by increasing maintainability with clean code
• Learn about key principles, rules and concepts that allow you to write clean code
• Learn with hands-on examples and “bad to good code” transformations 

Specifically, you will learn about:

• Naming “things” (variables, properties, classes, functions, …) properly and in a clean way
• Common pitfalls and mistakes you should avoid when naming things
• Comments and that most of them are bad
• Good comments you might consider adding to your code
• Code formatting – both horizontal and vertical formatting
• Functions and how to limit the number of function parameters
• How to write clean functions by focusing on “one thing”
• How levels of abstraction help you split functions and keep them small
• How to write DRY functions and avoid unexpected side effects
• Avoiding deeply nested control structures with guards and by extracting functionality into functions
• Errors and error handling as a replacement for if-statements
• Objects & data containers/ data structures and why that differentiation could matter
• Cohesion and how to write good (small!) classes
• The Law of Demeter and why it matters for clean code
• What the SOLID principles are and why they matter when it comes to writing clean code
• Much more!