如何使用Java中的流式API解析JSON字符串？

public static JsonParser createParser(Reader reader)

import java.io.*;
import javax.json.Json;
import javax.json.stream.JsonParser;
import javax.json.stream.JsonParser.Event;

public class JSONParseringTest {
   public static void main(String[] args) {
      String jsonString = "{\"name\":\"Adithya\",\"employeeId\":\"115\",\"age\":\"30\"}";
      JsonParser parser = Json.createParser(new StringReader(jsonString));
      while(parser.hasNext()) {
         Event event = parser.next();
         if(event == Event.KEY_NAME) {
            switch(parser.getString()) {
               case "name":
                  parser.next();
                  System.out.println("Name: " + parser.getString());
                  break;
               case "employeeId":
                  parser.next();
                  System.out.println("EmployeeId: " + parser.getString());
                  break;
               case "age":
                  parser.next();
                  System.out.println("Age: " + parser.getString());
                  break;
            }
         }
      }
   }  
}

Name: Adithya
EmployeeId: 115
Age: 30