In addition, Java 19 introduced the Executors.newThreadPerTaskExecutor(ThreadFactory threadFactory) method, which can take a ThreadFactory that builds virtual threads.

The JVM has two primary functions: to allow Java programs to run on any device or operating system (known as the “write once, run anywhere” principle), and to manage and optimize program memory.

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 ...