As addition to other responses, @JsonProperty annotation is absolutely crucial if you utilize the @JsonCreator annotation in courses which do not need a no-arg constructor. I quickly found, needless to say, this doens't operate: Python in no way binds the callable to the item and I need the thing in https://adoreluxurypropertygurgaon.blogspot.com/2025/07/live-spaciously-in-gurgaon-ganga-realty.html