intermediate~2h
Async Programming with @Async
Not every piece of work needs to finish before you respond to the client. This module is how to kick off background work from inside a request without making the caller wait for it.
Learning objectives
- Beginner: Mark a method @Async and explain what changes about how callers invoke it.
- Intermediate: Return a CompletableFuture from an async method and compose multiple async calls together.
- Advanced: Diagnose why @Async silently doesn't work when called from within the same class, and configure a proper thread pool for async execution.
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Async Programming with @Async