This is an example Play application that uses Java, and communicates with an in memory database using EBean.

The GitHub location for this project is inside:

https://github.com/playframework/play-samples

Play documentation is here:

https://playframework.com/documentation/latest/Home

EBean is a Java ORM library that uses SQL:

https://www.playframework.com/documentation/latest/JavaEbean

and the documentation can be found here:

https://ebean-orm.github.io/