The Stream API and stream gatherers Java streams model dynamic collections of elements. As the spec says, “A stream is a lazily computed, potentially unbounded sequence of values.” ...

Processing streams and insight into classes Java 24 finalizes two important features, with Stream Gatherers and the Class-File API. Both have had two previews each in Java 22 and Java 23.

After its review concluded, JEP 461, Stream Gatherers (Preview), has been completed for JDK 22. This JEP proposes to enhance the Stream API to support custom intermediate operations. "This will allow ...

Java 23, now generally available, includes previews of module import declarations, stream gatherers, structured concurrency, scoped values, and a class-file API. And much more.

First, it has completely turned collection processing on its head. Before Java 8, the imperative style of getting an iterator and looping over a collection means all the collection processing is done ...