Computer scienceBackendSpring BootAsynchronous processing

Async methods

Complete future method with return

Report a typo

Complete the future method so that it returns a String.

Java

@Async
private ____________ generateWelcome() {
    return CompletableFuture.completedFuture("Welcome to the app!");
}

Kotlin

@Async
private fun generateWelcome(): ____________ {
    return CompletableFuture.completedFuture("Welcome to the app!")
}

Select one option from the list

CompletableFuture<String>

AsyncFuture<String>

Completable<String>

CompletableFuture<char>

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