When you work with the JDK's Streams API and Lambda functions, you can use the ever-popular ... version where functional programming was introduced to developers -- this simple interface defines five ...

If you want to master functional programming ... in your code — starting with how to use an actual class, and how to create very concise code with a lambda function. The Java Function interface is ...

The Stream API allows for parallelizing operations with Stream.parallel. This can improve speed when working with large sets. Gatherers can use this feature, so long as they respect the ...