Concurrency basics · interview question
Which CompletableFuture method should be used to execute a task asynchronously in a non-blocking manner?
Multiple choiceMediumchapter-15-curatedpremiumconcurrencycompletablefuture
Answer and explanation
Correct answer
D. .supplyAsync()
Why
.supplyAsync() is used to execute a Supplier asynchronously, providing a CompletableFuture for the result. It allows non-blocking execution, making it suitable for tasks with return values.
Test yourself on Concurrency basics
A free test with instant, explained results. No account needed.
More Concurrency basics questions
- How can you ensure that a CompletableFuture runs on a specific Executor?
- Which situation benefits most from using AtomicInteger over synchronized blocks?
- In which scenario would you use.thenCompose() over.thenApply() in CompletableFuture?
- Which CompletableFuture method should be used to handle both results and exceptions in a unified way?
- How does AtomicInteger's getAndIncrement method differ from incrementAndGet?
- How does AtomicReference help in implementing non-blocking algorithms?