Java8新特性 - Lambda表達式 - 基本知識

A lambda expression is an unnamed block of code (or an unnamed function) with a list of formal parameters and a

body.

Java8中的lambda表達式不同于C#,使用的是->

eg:

下面看一個簡單的例子

Adder.java

Joiner.java

TargetTypeTest.java

運作結果:

sum1 = 99.45

sum2 = 99.0

str = Hello lambda