I am assuming you are not using Json.NET (Newtonsoft.Json NuGet package). If this the case, then you should try it. It has the following features: LINQ to JSON The JsonSerializer for quickly converting your .NET objects to JSON and back again Json.NET can optionally produce well formatted, indented JSON for debugging or display Attributes like … Read more
I don’t know libraries that supports mapping between JSON Arrays (“data” is an array of arrays) and Java object fields. The gson library let you map your JSON Array into an array of array of java String, but then you have to convert it to your object model. You can parse your JSON into this … Read more
Actually this works fine with Jackson. The NPE is thrown by my own constructor.
Your class structure is wrong. The json string contains a list of face_list not a single object. Furthermore your current face_list class does not contain any properties just two nested class definitions which will not hold any values. Correct structure: public class FaceDetect { public int age { get; set; } public int beauty { … Read more