Java Geeks

1. http://stackoverflow.com/users/2970947/elliott-frisch
2. http://stackoverflow.com/users/139985/stephen-c(for performance, java, multithreading, string)
3. http://stackoverflow.com/users/57695/peter-lawrey(for performance, java, multithreading, string and array)
4. http://stackoverflow.com/users/2513573/adamskywalker
5. http://stackoverflow.com/users/1235929/dave
6. http://stackoverflow.com/users/642706/basil-bourque - for time related section.
7. http://stackoverflow.com/users/42769/adeel-ansari -(for java, servlet, jsp, spring, hibernate)
8. http://stackoverflow.com/users/135152/omg-ponies - for(sql, mysql, oracle)
9. http://stackoverflow.com/users/597657/eng-fouad
10. http://stackoverflow.com/users/1707091/rgettman - (for java, generics)
11. http://stackoverflow.com/users/12960/brian-agnew - (for java, linux, shell, bash)
12. http://stackoverflow.com/users/995876/esailija - (for javascript, jquery, node.js)
13. http://stackoverflow.com/users/10397/justin-cave - (oracle kid from MIT)
14. http://stackoverflow.com/users/2696260/m-deinum -Real spring panda
15. http://stackoverflow.com/users/1393484/ali-dehghani - Spring-boot, spring, spring-mvc
16. http://stackoverflow.com/users/438154/sotirios-delimanolis - Spring, Spring-MVC, Java, Multithreading, generics.
17. http://stackoverflow.com/users/47281/marcus-leon