Json数据之Gson解析

    public void test() throws IOException {          String jsonString = "[{\"username\":\"xujiaowei\",\"userId\":\"28\"},{\"username\":\"Jason\",\"userId\":\"002\"}}]";          JsonReader jsonReader = new JsonReader(new StringReader(jsonString));          jsonReader.beginArray();          while (jsonReader.hasNext()) {              jsonReader.beginObject();              while (jsonReader.hasNext()) {                  String name = jsonReader.nextName();                  if (name.equals("username")) {                      System.out.println(jsonReader.nextString());                  }                  if (name.equals("userId")) {                      System.out.println(jsonReader.nextInt());                  }              }              jsonReader.endObject();          }          jsonReader.endArray();      }