The State of Kotlin Support in Spring
summary
Explains concrete Kotlin support: Gradle Kotlin DSL for builds, full null-safety annotations across Spring APIs, coroutine mapping (suspend→Mono, Flow→Flux) and Spring Security’s Kotlin DSL; highlights Spring Boot 2.4 additions like multiplatform serialization and improved coroutines; demonstrates Spring Native via GraalVM producing a native image under 60 MB with ~38 ms startup using the incubating Spring Native plugin and previews KoFu, an experimental Kotlin DSL for explicit programmatic configuration.
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chapters (12)
- 0:00Introduction to Kotlin
- 1:34Getting started with Spring
- 4:00Learning resources and tools
- 5:40Choosing a programming model
- 7:24Annotations vs. DSLs
- 10:15Null safety in Spring
- 11:25Configuration and security
- 13:06Coroutines and reactive flows
- 16:55Multi-platform and future
- 21:12Reactive messaging
- 22:54Spring Native and GraalVM
- 29:26Experimental Spring Fu
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