Virtual threads, now an official feature of Java, create the possibility of cheaply spawning threads to gain concurrent performance. Structured concurrency provides the simple syntax to do so.

Go is a concise, simple, safe, and fast compiled language with outstanding concurrency features ... At the time, almost everyone coming from C++ or Java wanted Go to have classes and generics.

Improved Virtual Threads (JEP 491) First introduced in JDK 21, virtual threads significantly improve Java’s ability to handle high-concurrency workloads. However, they previously suffered performance ...