Many programs do use executors, however, and so Java 19 includes a new preview method in executors to make refactoring to virtual threads easy. Listing 3 shows you the new method alongside the old ...

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.

Now Java developers are abuzz about virtual threads, a feature introduced in Java 21. Java virtual threads are much lighter and more efficient than traditional operating system threads, and excel at ...