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Computer Programming

Clean Code with Multiple Classes in Ruby

Explore principles for maintaining clean code with multiple classes in Ruby. Learn about class collaboration, duck typing, managing dependencies, practicing polymorphism, and handling exceptions across classes.

Ruby

See path

4 lessons

9 practices

1 hour

Collaboration and Code Review

Course details

Clean Code with Multiple Classes in Ruby

Preview

Refactoring Feature Envy in Ruby Classes

Refactoring Message Chains in Ruby

Middle Man Code Smell Refactoring Task

Previous Course

Next Course: Applying Clean Code Principles in Ruby

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11