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.” ...

Java 24 adds several new features to the language, such as the availability of the Stream Gatherers API and Class-File API, ...

The proposal explains that Java 8, unveiled in March 2014, introduced the first API specifically for lambda expressions, the Stream API, java.util.stream.