As addition to other answers, @JsonProperty annotation is absolutely critical if you use the @JsonCreator annotation in lessons which do not have a no-arg constructor. But I do think this is a good spot to cease for now, for the reason that I'm receiving exhausted. It's also possible to see https://m3mscoplotsingurgaon.water.blog/2025/05/14/build-your-dream-from-the-ground-up-at-signature-global-farukhnagar/