json string conversion java objects

Excerpt https://blog.csdn.net/weixin_43267963/article/details/87872008

1, import-dependent

 <dependency>
	 <groupId>com.alibaba</groupId>
     <artifactId>fastjson</artifactId>
     <version>1.2.41</version>
</dependency>

2, usage

1) converting a single object

 String json = "{\"courseName\":\"空乘英语\",\"score\":\"1\"}";
 T t = JSONObject.parseObject(json, T.class);

2) a list of objects conversion

String json = "[{\"courseName\":\"空乘英语\",\"score\":\"1\"},{\"courseName\":\"化学\",\"score\":\"2\"}]";
 List<T> t = JSONArray.parseArray(json, T.class);