5. Functional Programing Principles
❏ Immutability
❏ Disciplined State
❏ No Side Effects
❏ Pure Functions
❏ Function First and High Order Functions
❏ Referential Transparency
14. Netty
❏ Written in Java
❏ Http Server
❏ Great Performance
❏ Very efficient and low latency
❏ Async and non-blocking
❏ Used by oss frameworks like: Akka, HornetQ, Vert.X
❏ Battle tested by Netflix, Apple, Redhat, Google