You will run into the Function interface in a variety of places, especially when you start advanced functional programming with the Java Streams API. Powerful methods such as map, reduce and flatMap ...

A total of 24 JEPs in JDK 24 extend stream processing ... The Class File API provides the basic functions in Java Core in a future-proof way, but is not intended to replace the external libraries ...

Java historically ... the stream API doesn't yet support virtual threads directly. Fortunately, JDK 22 released in March 2024 includes a preview feature, JEP 473, that introduces a solution to this ...