SimpleFileDB a simple flat file database.
Its is intended to be used as a quick drop-in database for small projects.
SimpleFileDB is deployed to Sonatype OSS repository. So you can simply declare a dependency on it using the following snippet.
<dependency>
<groupId>de.kysy</groupId>
<artifactId>simplefiledb</artifactId>
<version>0.1.5</version>
</dependency>