1, Fastjson API entry class is com.alibaba.fastjson.JSON, common sequence of operations can be static methods on a class JSON done directly.
public static Final Object parse (String text); // to parse text as JSON or JSONObject the JSONArray public static Final JSONObject the parseObject (String text); // the JSON parse text into JSONObject public static Final <T> T the parseObject (String text, class <T> clazz); // the JSON text to parse the JavaBean public static Final the JSONArray parseArray (String text); // the JSON parse text into the JSONArray public static Final <T> List <T> parseArray (text String, class < T> clazz); // the JSON parse text into a set of JavaBean public static Final String the toJSONString (Object Object); // a JavaBean serialized as JSON text public static Final String the toJSONString (Object Object, Boolean PrettyFormat); // a JavaBean sequence as JSON formatted text public static Final Object a toJSON (Object javaObject); // convert to JSONObject JavaBean or JSONArray.
Reference: https://www.w3cschool.cn/fastjson/fastjson-ex2.html