Why it matters

Async is broader than streaming. Understanding shapes concurrency.

Advertisement

The architecture

CompletableFuture.supplyAsync.

thenApply, thenCompose chain.

allOf / anyOf combinators.

Async agent stackCF.supplyAsyncasync workChain thenApplytransformsallOf / anyOfcombineStructured concurrency (Java 21+) simplifies patterns further
Async.
Advertisement

How it works end to end

Executor selection.

Composition operators.

Timeouts via orTimeout.

Exceptionally for errors.