As addition to other solutions, @JsonProperty annotation is de facto essential if you employ the @JsonCreator annotation in courses which would not have a no-arg constructor. @Kent points out that Properties are not needed to encapsulate fields, they may do a calculation on other fields, or serve other needs. Granted, https://elancommercialprojectingurugram.blogspot.com/2025/06/jms-mega-city-sohna-next-landmark-for.html