Java 8 New Features and Scala

java 8 new features and comparison with Scala.Java 8 is different with earlier java releases, it will change the the way the programmer use to write the java program earlier.
What is functional programming.
In short java 8 is entering towards the functional programming. In computer science, functional programming is a programming paradigm, a style of building the structure and elements of computer programs, that treats computation as the evaluation of mathematical functions and avoids state and mutable data.Some of the Important features in java8 are Lambdas,Modularity,Hotspot Convergence,Nashhorn,Type Annotations.

What is Lambda, Lambda indicates the wavelength of any wave, especially in physics, electronics engineering, and mathematics. In programming languages such as Lisp, Python ,Ruby,scala and java8 lambda is an operator used to denote anonymous functions or closures, following the usage of lambda calculus.,

Any lambda expression may be thought of as an anonymous representation of a function descriptor of a functional interface. An alternative way representing a function descriptor is with a concrete method of an existing class. Method references are handles to such existing methods. There are four kinds of method references, Reference to a static method, Reference to an instance method of a particular object, Reference to an instance method of an arbitrary object of a particular type, Reference to a constructor
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Java8的特性
8 java的教程，适合初学者
java的8拉姆达
Java8的拼图