Functional composition in Java enables you to compose new functions by combining existing functions into a single, new function.
Data Streaming is a data distribution technique where data producers write data records into an ordered data stream from which data consumers can read the records in the same order.
The Java Stream API provides a functional approach to processing streams of objects - also known as functional stream processing.
The Java ExecutorService can execute tasks concurrently in separate threads. I have added information about how to cancel tasks, plus a few other changes.