Java Jackson API

Jackson vs GSON

Jackson: Complex Object

Recursive Object

https://www.baeldung.com/jackson-bidirectional-relationships-and-infinite-recursion[Baeldung Link]

{

"activities" : {

"id":"",

"activities": {....activities}

}

}

Keys are not defined specifically

key1, key2, .... keyn

{

"employee" : {

"id":"",

"key1":"",

... // keys

}

}