Congratulations, you just learned how to implement delayed and periodic actions with Vert.x. Vert.x lets you do a lot
more. For example, this other playground
explains how to create a HTTP endpoint with Vert.x.
If you want to improve this tutorial, submit a PR to https://github.com/cescoffier/techio-playground-vertx-scheduling-tasks. This repository also contains the whole code shown in this tutorial.