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Why async output is not as expected

Hi Please find below code: https://code.sololearn.com/cA15A23A6A3a I thought that "Completed..." should be printed before result as it was computed in async task. Why output is not in proper order?

3/10/2021 11:27:27 AM

Ketan Lalcheta

3 Answers

New Answer

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Async != parallelism Parallelism is done via threads, and asynchrone is done via futures.

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I thought argument launch::async is creating thread only...

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Please refer below sample code. We can observe that thread ID is different for async. https://code.sololearn.com/c6a166a6a57A