Building immutable collection dynamically in Kotlin

📰 Dev.to · Cyril Sahula

Learn how to build immutable collections dynamically in Kotlin and combine DDD principles with Spring Data R2DBC for readable code and robust tests

intermediate Published 22 Apr 2025
Action Steps
  1. Apply domain-driven design principles to your Kotlin project
  2. Use Spring Data R2DBC to interact with your database
  3. Create immutable collection classes dynamically using Kotlin
  4. Keep Spring context available inside your domain layer using a simple trick
  5. Write readable and maintainable code by separating data and logic
Who Needs to Know This

Backend developers and software engineers working with Kotlin and Spring Framework can benefit from this article to improve their coding skills and knowledge of domain-driven design

Key Insight

💡 Combining DDD principles with Spring Data R2DBC can help you write readable and maintainable code

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Improve your Kotlin coding skills by combining DDD principles with Spring Data R2DBC #kotlin #spring #ddd

Key Takeaways

Learn how to build immutable collections dynamically in Kotlin and combine DDD principles with Spring Data R2DBC for readable code and robust tests

Full Article

In this post, I share how to write real domain objects that contain both data and logic — without giving up the power of the Spring Framework. I explore how to combine DDD principles with Spring Data R2DBC, keep your code readable, and avoid brittle tests. Includes a simple trick for keeping Spring context available inside your domain layer.
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