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Computer Programming

Creational Patterns in Scala

Creational design patterns control object creation mechanisms in Scala 3, allowing for greater flexibility, enhanced code reusability, and improved robustness. By abstracting the instantiation process, these patterns help create scalable and maintainable software systems.

Scala

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5 lessons

20 practices

3 hours

Course details

Understanding the Singleton Pattern in Scala

Preview

Extending Singleton with Logging Counter

Enhancing the Logger Singleton with Severity Levels

Implementing a Singleton Music Player in Scala

Implementing a Singleton Logger 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