Networking · interview question
When using Jackson, how can you handle a situation where a field should be serialized only if it's not null?
Multiple choiceHardchapter-11-curatedpremiumnetworkingjackson-objectmapper
Answer and explanation
Correct answer
A. Use @JsonInclude(Include.NON_NULL).
Why
@JsonInclude(Include.NON_NULL) is used to ensure that a field is only serialized if it is not null, thus preventing unnecessary data from being included in the JSON output.
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