How to use Functions Interface in java8

Editor to share with you how to use the Functions interface in java8, I believe most people do not know much about it, so share this article for your reference, I hope you will learn a lot after reading this article, let's learn about it!

Functions

The Functions interface takes a parameter and produces a result. Its default method is often used to link multiple functions to use together (compose, andThen).

Function toInteger = Integer::valueOf;Function backToString = toInteger.andThen (String::valueOf); backToString.apply ("123"); / / above are all the contents of the article" how to use the Functions Interface in java8 ". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!