#project-loom

3 post(s)

Scoped Values:Share Immutable Context Without ThreadLocal Pain

What Java scoped values are (JEP 506 / Java 25), how they differ from ThreadLocal, why they fit virtual threads, and how to bind request context with where/run and where/call.

Java

Structured Concurrency:Treat Related Tasks as One Unit of Work

Learn the JDK 27 StructuredTaskScope factory API, Joiner policies, fan-in, sibling cancellation, and how structured concurrency fits virtual threads and scoped values.

Java

Virtual Threads:Millions of Tasks Without a Thread Pool Circus

What Java virtual threads are (JEP 444 / Java 21), how they differ from platform threads, when they win for I/O-bound work, and the pinning and ThreadLocal gotchas—plus what Java 25 changed.