Computer Programming
9 learners
Applying Clean Code Principles in Ruby
Apply essential clean code principles, such as DRY, KISS, Law of Demeter, and SOLID. This course helps reinforce best practices through practical implementation and real-world examples in Ruby.
Ruby
4 lessons
12 practices
2 hours
Computer Science Fundamentals
Lessons and practices
Applying DRY: Refactoring Code to Extract Methods
Variable Extraction and PI Centralization Task
Replace Temporary Variables with Query Methods in Ruby
Applying the KISS Principle to Simplify Code
Refactoring Leap Year Logic Using KISS Principle
Simplifying Palindrome Checker Using the KISS Principle
Refactoring for the Law of Demeter in Ruby
Refactoring for Law of Demeter Compliance
Refactoring for Single Responsibility Principle in Ruby
Redesigning Code for Open/Closed Principle in Ruby
Implementing Interface Segregation Principle in Ruby
Implementing Dependency Inversion Principle in a Printer System
Meet Cosmo:
The smartest AI guide in the universe
Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

Join the 1M+ learners on CodeSignal
Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal