JMM, Thread Pools, and CompletableFuture
Based on the original Java concurrency notes, this post keeps the material on the JMM, locks, atomic classes, ThreadLocal, thread pools, and related topics.
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This is a short English draft for the Chinese article “并发不是开线程：从 JMM 到线程池与 CompletableFuture”. The full translation is not finished yet, but this page is enough to verify the bilingual blog flow.
Draft Summary#
This draft highlights a few Java backend interview themes such as abstraction boundaries, concurrency, and practical engineering tradeoffs.
Continue with the Chinese version if you want the complete notes, examples, proofs, and code snippets.