As Addition to other responses, @JsonProperty annotation is absolutely vital if you employ the @JsonCreator annotation in classes which do not have a no-arg constructor. Nor thinking In case the validation of the Surname is in multiple areas for those who ever make adjustments into the company policies for Surnames. https://smartworldonedxpstreetretail.blogspot.com/2025/07/spiti-palm-estate-farukhnagar.html