Networking · interview question
When asynchronously calling multiple APIs with CompletableFuture, how can you ensure all tasks are completed?
Multiple choiceHardchapter-11-curatedpremiumnetworkingtimeouts-and-retries
Answer and explanation
Correct answer
B. Use CompletableFuture.allOf()
Why
CompletableFuture.allOf() is used to wait until all provided CompletableFutures complete. This method is ideal when you have multiple asynchronous tasks and want to proceed only when all tasks have finished.
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