Clone Cedilla github repository, the README.md explains it all.

To know why Cedilla was invented, something of his philosophy, why we think it's the most powerful template engine today (as of 2020), although it is also the smallest in terms of lines of code, and above all to learn in 30 seconds to take full advantage of its huge power, read this article on SyntaxCorrect.com: Cedilla, The Fastest Smallest Java Template Engine

Now what?

My open source software is licensed under Apache License 2.0.
You can sponsor it now!