Examples include semaphores, barriers, thread pools, and concurrent hashmaps. The Java Concurrency Utilities framework includes long nanoTime(), which is a member of the java.lang.System class.

For the notification aspect we can tailor the Java Observer pattern to fit in the multithreaded world. We could try a Cached thread pool, but it also has problems. If there is a high rate of task ...

Java historically has dealt with this problem partly through a powerful concurrency API and thread pooling. Now Java developers are abuzz about virtual threads, a feature introduced in Java 21. Java ...

Virtual threads aren't magic wands, however. Under the hood, the Java runtime maps them onto a pool of native OS threads called carrier threads. That's where the problem of pinning comes in. If a ...