When you are using a domain model pattern (and you should do most of the time for non-trivial applications), the entities managed by your program are contained in objects. An object has a state and methods to change its state, just like any actual object in the real world.
Just like the datasets in the previous recipe, the need to serialize an object in a JSON object, send the object somewhere, and then recreate that object as it was before is very common. In this recipe, we'll use the
TJson class and extend it with new functionalities.
Perform the following steps: