How to send post request in java with a JSON body

I am confused as to how to send a post request in Java with JSON parameters. I have seen many examples that use HttpPost library which I can not access. Below is my code: public class endpointtest { …

JSON parse error: Cannot deserialize instance of ArrayList

I’m trying to send a JSON to a POST bodyRequest service to use this information as a Java ArrayList or something like that. When I try to do it, I receive a deserialize error This is my JSON: {…