Java Language Features: With Modules, Streams, Threads, I/O, and Lambda Expressions

© Kishori Sharan 2018

Kishori SharanJava Language Featureshttps://doi.org/10.1007/978-1-4842-3348-1_17

17. Reactive Streams

Kishori Sharan¹ 

(1)

Montgomery, Alabama, USA

 

In this chapter, you will learn:

• What a stream is

• What the Reactive Streams initiative is and its specification

• The Reactive Streams API in JDK and how to use it

• How to create publishers, subscribers, and processors using the Java API for Reactive Streams in JDK9

All example programs in this chapter are in the jdojo.reactive.stream module, as declared in Listing 17-1.

// module-info.java

module jdojo.reactive.stream {

    exports com.jdojo.reactive.stream;

}

Listing 17-1.

The Declaration of a jdojo.reactive.stream Module

What Is a Stream?

A stream is a sequence of items produced by a producer ...