Spring into Kotlin: How to Make the Magic even more Magical
summary
A Spring Boot 2.0 microservice is built and converted from Java to Kotlin: a Coffee REST API with GET /coffees, GET /coffees/{id}, and search by ?type backed by a Spring Data repository (Mongo used in demo), seeded via a CommandLineRunner. Kotlin specifics shown: Kotlin data class replaces verbose POJO plus equals/hashCode/toString, all-open and Gradle Kotlin plugins for Spring interop, concise null-safety and string templates. The app runs and returns expected JSON responses in the demo.
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chapters (10)
- 0:00Introduction to Spring and Kotlin
- 1:46Spring 5 and Kotlin support
- 3:10Kotlin for Spring strategy
- 6:40Speaker introduction and contact methods
- 12:45Kotlin microservice in Spring Boot
- 21:23Java to Kotlin domain class
- 37:51Repository and controller in Kotlin
- 46:50Kotlin features for cleaner code
- 55:32Final refactoring and testing
- 58:24Resources and closing
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