Project Loom & Kotlin: Will Coroutines become obsolete? (Englisch)

Finally, Project Loom has been officially announced for Java 19 as a preview feature! Loom will be a game-changer for the JVM’s concurrency model, delivering »reactive» characteristics out of the box without the need for complex concurrency abstractions. Regarding Kotlin, the concurrency features Project Loom offers are already available through Coroutines. So the question is: Will Loom make Coroutines obsolete, catapulting Coroutine code to the realm of legacy from one day to another? Starting with a global introduction to how Loom achieves lightweight concurrency, Urs Peter will compare essential characteristics, such as suspend calls, structured concurrency, and context propagation across Threads with Coroutines. Live-coded examples will illustrate the pros and cons of the different approaches and give you a better understanding of the underlying concurrency concepts. Moreover, light will be shed on whether it makes sense to combine Loom with Coroutines.