How to use Comparators Interface in java8

Editor to share with you how to use the Comparators 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!

Comparators

Comparators upgrades from older versions of java and adds some default methods.

Comparator comparator = (p1, p2)-> p1.firstName.compareTo (p2.firstName); Person p1 = new Person ("John", "Doe"); Person p2 = new Person ("Alice", "Wonderland"); comparator.compare (p1, p2); / / > 0comparator.reversed (). Compare (p1, p2); / / < 0 is all the contents of the article "how to use Comparators 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!