As Addition to other responses, @JsonProperty annotation is admittedly crucial if you employ the @JsonCreator annotation in lessons which would not have a no-arg constructor. of this abstraction. The values for getRadius() or getCircumference() in the above case in point could possibly be stored specifically, or they could be calculated, https://plotssaleyamunaexpressway.blogspot.com/2025/05/invest-in-lifestyle-and-location-with.html