Networking · interview question
How can Jackson's ObjectMapper be configured to serialize a Java record into a JSON string?
Multiple choiceMediumchapter-11-curatedpremiumnetworkingjackson-objectmapper
Answer and explanation
Correct answer
C. Use ObjectMapper's writeValueAsString method.
Why
The writeValueAsString method of ObjectMapper converts a Java object into a JSON string. It is commonly used for serialization tasks.
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…