Christian Clausen

Christian Clausen holds a master’s degree in computer science. He specialized in programming languages, specifically, software quality and how to code without bugs. He coauthored two peer-reviewed papers on the topic of software quality, published in some of the most prestigious journals and conferences. Christian has worked as a software engineer on a project called Coccinelle for a research group in Paris. He has taught introductory and advanced programming topics in both object-oriented and functional programming languages at two universities. Christian has worked as a consultant and tech lead for five years.

books & videos by Christian Clausen

Making Small Compiler Katas
  • Course duration: 1h 27m
Included with a Manning Online subscription

A demonstration of utilizing the compiler to help you find errors in your code.

Refactoring the Gilded Rose Kata in Java
  • Course duration: 2h 25m
Included with a Manning Online subscription

Join Christian Clausen in his live coding challenge of refactoring the famous Gilded Rose Kata.

Five Lines of Code
  • September 2021
  • ISBN 9781617298318
  • 336 pages
Included with a Manning Online subscription
  • printed in black & white
  • Available translations: Complex Chinese, German, Japanese, Korean, Russian, Serbian, Simplified Chinese
catalog / Software Development / Software Engineering / Code Quality and Testing / Code Refactoring

Five Lines of Code is a fresh look at refactoring for developers of all skill levels. In it, you’ll master author Christian Clausen’s innovative approach, learning concrete rules to get any method down to five lines—or less! You’ll learn when to refactor, specific refactoring patterns that apply to most common problems, and characteristics of code that should be deleted altogether.