How to convert List to a JSON Object using GSON?

Question

I have a List which I need to convert into JSON Object using GSON. My JSON Object has JSON Array in it.

public class DataResponse {

    private List

        

Answer 1

Assuming you also want to get json in format

{
  "apps": [
    {
      "mean": 1.2,
      "deviation": 1.3,
      "code": 100,
      "pack": "hello",
      "version": 1
    },
    {
      "mean": 1.5,
      "deviation": 1.1,
      "code": 200,
      "pack": "world",
      "version": 2
    }
  ]
}

instead of

{"apps":[{"mean":1.2,"deviation":1.3,"code":100,"pack":"hello","version":1},{"mean":1.5,"deviation":1.1,"code":200,"pack":"world","version":2}]}

you can use pretty printing. To do so use

Gson gson = new GsonBuilder().setPrettyPrinting().create();
String json = gson.toJson(dataResponse);