A new version of patreon-java, 0.4.0, was released today. You can now request optional fields on the User and Pledge objects, such as User.LikeCount, that were previously unavailable. See the changelog for more information.
To include 0.4.0 in your project, add this to your pom.xml:
<dependency>
<groupId>com.patreon</groupId>
<artifactId>patreon</artifactId>
<version>0.4.0</version>
</dependency>