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Computer Programming

Clean Code with Traits and Multiple Classes

Explore principles for maintaining clean code with traits and multiple classes in Scala 3. Learn about class collaboration, interfacing with traits, managing dependencies, practicing polymorphism, and handling exceptions across traits and classes.

Scala

See path

5 lessons

13 practices

2 hours

Collaboration and Code Review

Course details

Class Collaboration and Coupling

Preview

Refactoring Feature Envy in Class Collaboration with Scala

Refactoring Message Chains in Scala

Middle Man Code Smell Refactoring

Previous Course

Next Course: Applying Clean Code Principles in Scala

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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