As addition to other answers, @JsonProperty annotation is really essential if you use the @JsonCreator annotation in lessons which would not have a no-arg constructor. @Kent points out that Properties are certainly not needed to encapsulate fields, they could do a calculation on other fields, or serve other functions. However https://maxestatesgurgaon.video.blog/2025/06/13/jms-low-rise-floors-manesar-where-contemporary-elegance-meets-natural-serenity/