To use the charts4j API, put this jar (found in the charts4j-[VERSION]/lib directory) in your classpath:

charts4j-[VERSION].jar

To run the unit tests you will also need junit-[VERSION].jar

For Maven, include this XML snippet in your pom.xml.

com.googlecode.charts4j charts4j [VERSION]

For Leiningen Clojure, users please use:

[com.googlecode.charts4j/charts4j "[VERSION]"]