How to create a daemon process in java?

Question

Java

Good afternoon!
It was necessary to write a small demon in java that will knock on several sites. The question is how to properly organize the daemon. Google gave several different methods from "manual" https://habrahabr.ru/post/51991/ to the use of libraries and near-java technologies.
Actually what is the fundamental difference and which is more correct?

Answer 1

It's easier and better to follow the path of least resistance, it's better to use screen or wrap it in convenient scripts.

Answer 2

Apache Commons Daemon
Java Service Wrapper