Networking · interview question
Which method can be used to handle exceptions that occur during a CompletableFuture's execution?
Multiple choiceHardchapter-11-curatedpremiumnetworkingjackson-objectmapper
completableFuture.exceptionally(ex -> { return "Fallback result due to: " + ex.getMessage(); });Answer and explanation
Correct answer
C. Exceptionally
Why
The exceptionally method is used in CompletableFuture to handle exceptions. It provides a way to define a fallback or alternative action if the initial computation fails, ensuring that exceptions do not go unhandled.
Test yourself on Networking
A free test with instant, explained results. No account needed.
More Networking questions
- What does the HttpClient.newHttpClient() method do?
- Why is it useful to configuring FAIL_ON_UNKNOWN_PROPERTIES to false in Jackson's ObjectMapper?
- How would you explain a common issue when using ObjectMapper to deserialize nested JSON objects into Java classes in…
- What happens if you attempt to deserialize a JSON array into a Java class with Jackson and FAIL_ON_UNKNOWN_PROPERTIES…
- Why is it important to set timeouts on HTTP requests?
- How would you explain a potential benefit of using CompletableFuture.supplyAsync to fetch data from multiple API…