Networking · interview question
Why is it useful to configuring FAIL_ON_UNKNOWN_PROPERTIES to false in Jackson's ObjectMapper?
Multiple choiceEasychapter-11-curatedpremiumnetworkingjackson-objectmapper
Answer and explanation
Correct answer
D. To ignore unknown JSON properties during deserialization.
Why
Setting FAIL_ON_UNKNOWN_PROPERTIES to false allows Jackson to ignore any extra properties in the JSON that do not have corresponding fields in the Java class. This is useful in cases where the JSON may have additional data that we do not need to map.
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