Networking · interview question
When is sendAsync with CompletableFuture especially useful?
Multiple choiceMediumchapter-11-curatedpremiumnetworkingasynchronous-http
Answer and explanation
Correct answer
C. When you need to fetch several independent external results in parallel without blocking a thread per call
Why
Asynchronous HTTP is valuable when several requests can run independently. It reduces wasted waiting time and improves responsiveness by not tying up the calling thread for each remote response.
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