Getting Started

There are dozens of features added to Java 8, the most significant ones are mentioned below −

Lambda expressions are presented in Java 8 and are touted to be the greatest component of Java 8. Lambda expression facilitates functional programming, and simplifies the development a lot.

A lambda expression is characterized by the following syntax −

parameter -> expression body

Following are the important characteristics of a lambda expression −

• Optional type declaration − No need to declare the type of a parameter. The compiler can inference the same from the value of the parameter.

• Optional parenthesis around parameter − No need to declare a single parameter in parenthesis. For multiple parameters, parentheses are required.
  
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