An extensible terminal operation, Stream::collect, also is featured, enabling the output of a pipeline to be summarized in multiple ways. Use of streams in the Java ecosystem now is pervasive.

The java.util.stream.Gatherers interface comes with a handful of built-in functions that enable you to build custom intermediate operations. Let’s take a look at what each one does.

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 ...