Correct Answer : ObjectMapper
Explanation : The primary actor class in the Jackson library is ObjectMapper.
Correct Answer : @JsonInclude
Explaination : @JsonInclude annotations indicate which fields of a Java object, based on their values, should be included or omitted during serialization.
Correct Answer : Type handling
Explanation : Some of the type handling annotations are:@JsonTypeInfo, @JsonSubTypes.
Correct Answer : Tree Model
Explanation : The tree Model creates an in-memory tree representation of the JSON content.