Gson不将JSONarray元素转换为类对象。

I have a JSONArray, I am trying to convert each element of the array as a class instance using gson.fromJson. My class is entirely made of string members. When the JSONarray element has all values and none are null, then it gets converted fine, however, when one of the elements is null, that member's value is not getting updated.I have a JSONArray, I am trying to convert each