Parallel streams are implemented using the Fork/Join framework that was added to Java 7. Parallelizing the operations in a stream pipeline is usually as simple as replacing the call to stream() in ...

For example, the Streams API focuses on parallel processing of large data sets, and Project Nashorn’s faster JavaScript engine is all about performance in server workloads.

A preview feature in Java is one that is not yet added permanently even though its design, specification, and implementation are complete. Presently Java has quite a few preview features in the ...