Java FAQ: Top Questions
58. What is the Flow API in Java?
The
Flow API
, introduced in Java 9 in
java.util.concurrent
, implements reactive streams for asynchronous, non-blocking data processing, enabling publisher-subscriber patterns.
-
Components:
Publisher,Subscriber,Subscription,Processor. -
Backpressure:
Subscribers control data flow via
request. -
Classes:
SubmissionPublisheris a built-in implementation. - Use Case: Reactive programming, event streaming.