License & Project URL

License URL
Fastjson Apaceh 2.0 https://github.com/alibaba/fastjson
Gson Apaceh 2.0 https://github.com/google/gson
Jackson Apaceh 2.0 https://github.com/FasterXML/jackson-core

Maven

fastjson

 com.alibaba fastjson 1.2.11

fastjson-android

 com.alibaba fastjson 1.1.51.android

jackson

 com.fasterxml.jackson.core jackson-databind 2.7.3

gson

 com.google.code.gson gson 2.6.2

API

Fastjson parse Tree

import com.alibaba.fastjson.*; JSONObject jsonObj = JSON.parseObject(jsonStr);

Fastjson parse POJO

import com.alibaba.fastjson.JSON; Model model = JSON.parseObject(jsonStr, Model.class

Fastjson parse POJO Generic

import com.alibaba.fastjson.JSON; Type type = new TypeReference>() {}.getType(); List list = JSON.parseObject(jsonStr, type);

Fastjson convert POJO to json string

import com.alibaba.fastjson.JSON; Model model = ...; String jsonStr = JSON.toJSONString(model);

Fastjson convert POJO to json bytes

import com.alibaba.fastjson.JSON; Model model = ...; byte[] jsonBytes = JSON.toJSONBytes(model)

Fastjson write POJO as json string to OutputStream

import com.alibaba.fastjson.JSON; Model model = ...; OutputStream os; JSON.writeJSONString(os, model);;

Fastjson write POJO as json string to Writer

import com.alibaba.fastjson.JSON; Model model = ...; Writer writer = ...; JSON.writeJSONString(writer, model);