(1) CS-Notes
https://github.com/CyC2018/CS-Notes
(2) JavaGuide
https://github.com/Snailclimb/JavaGuide
(3) JavaFamily
https://github.com/AobingJava/JavaFamily
(4) Java3y
https://github.com/ZhongFuCheng3y/3y
(5) zuo_interview
https://github.com/zcc888/zuo_interview
(6) Java-Tutorial
https://github.com/h2pl/Java-Tutorial
(7) awesome-java
https://github.com/Snailclimb/awesome-java
(8) HelloGitHub
https://github.com/521xueweihan/HelloGitHub
(9) JCSprout
https://github.com/crossoverJie/JCSprout
(10) BigData-Notes
https://github.com/heibaiying/BigData-Notes
(11) Flink
https://github.com/zcc888/flink-learning
(12) wuhan2020
