Planned lessonMID-007-L05

Structured concurrency (preview status)

On This Lesson 4 topics

This lesson is planned. The outline below lists the topics it will cover. The full lesson has not been published yet.

In this lesson

understand the idea and its status.

Structured concurrency: subtasks live inside a scope, and the scope waits for them, so lifetimes are clear.
A failure can cancel sibling tasks; no leaked threads.
API: StructuredTaskScope with fork and join; its status has been preview and the API has changed (verify version before recording).
Using preview APIs needs --enable-preview; avoid in production unless the team accepts the risk.
Compare with CompletableFuture fan-out from MID-006.

Draft outline details

java

// conceptual: fork product, stock; join; failure cancels the other

Why is a preview API risky for production?

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It may change or be removed between releases.

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