1. Notable Java 8 New Features – Not including Lambda S Marvasti
Advanced Programming in Java
Notable Java 8 New Features – Not including Lambda S Marvasti

2. agenda Java versions Default method Functional interface Double colon
Functional programing
Lambda expression
Optional
Streams

3. 1.6(J2SE 6) Version Release Date Main Features 1.5(J2SE 5) 2004-2009
22 update
Generic Types
Annotation
Autoboxing
Enumorations
Varargs
Foreach
1.6(J2SE 6)
More than 50 updates
Last one 113
Performance improvements
Security Improvements
JDBC 4
J2SE 7
2011-now
Many update
Last one 101
String in switch
NIO 2
Diamond in generic types
Concurrency high level API

4. Java SE 9 Version Release Date Main Features Java SE 8 2014-now
Last update 92
Lambda expression or closure (Functional Programming)
JavaScript embedded emulator
Annotation on Java Type
default method in interface
Java SE 9
Scheduled for  March 2017
Better support for multi-gigabyte heaps
Java module system (OSGI like built-in system)
Reactive Streams support
Better support for parallel systems
Java SE 10
Scheduled for  March 2018
Object without Identity
Support 64-bit addressable arrays 

5. Java programing paradigms
Prior to JavaSE 8, Java supported three programming paradigms
procedural programming
object-oriented programming
generic programming.
Java SE 8 adds functional programming
programming that treats computation as the evaluation of mathematical functions and avoids changing-state and mutable data.
Stateless functions is building block of code

6. compare

7. Functional interface

8. sample