Structured concurrency is a new way to use multithreading in Java. It allows developers to think about work in logical groups while taking advantage of both traditional and virtual threads ...

When a virtual thread runs blocking code, which is code that forces threads to wait until an operation completes -- for example, executing an HTTP request to a web server -- the Continuation object ...

One example is using semaphores to control the number of threads when accessing a resource like a datastore, instead of using a thread pool with a limit. See Coming to Java 19: Virtual threads and ...

Virtual threads, revealed in Java's Project Loom and generally available with the Java 21 LTS, promise unparalleled scalability, simplified asynchronous coding and more efficient resource utilization.