Authentification and authorisation
http://www.axiomatics.com/blog/entry/authentication-vs-authorization-part-2-saml-and-oauth-2.html
http://www.axiomatics.com/blog/entry/authentication-vs-authorization-part-2-saml-and-oauth-2.html
https://github.com/apache/cxf.git
Recommended book for Java concurrency
Recommended reading for RxJava
1. Void return and zero paramter\ Use Runnable