As addition to other responses, @JsonProperty annotation is actually essential if you use the @JsonCreator annotation in courses which do not have a no-arg constructor. For those who ever really need to change the underlying implementation you are still free to refactor them as properties without the need of breaking https://centralpark104gurgaon.art.blog/2025/05/14/claim-your-piece-of-growth-own-a-plot-in-farukhnagar-today/