link

Opintions Class

https://mp.weixin.qq.com/s/q_WmD3oMvgPhakiPLAq-CQ

Google core libraries for Java

https://github.com/google/guava

Commons Lang

https://github.com/apache/commons-lang

Lombok

https://mp.weixin.qq.com/s/CaHsZq7x0wmgcy0IS2o9uw

POJO

mybatis

https://www.cnblogs.com/caizhaokai/p/10982727.html

https://mybatis.org/mybatis-3/zh/dynamic-sql.html