net.sf.jagg jagg 0.9.0 4.0.0 net.sf.jagg jagg-core jar 0.9.0 jagg-core http://jagg.sourceforge.net jAgg is a Java 5.0 API that supports “group by” operations on Lists of Java objects: aggregate operations such as count, sum, max, min, avg, and many more. It also allows custom aggregate operations. org.apache.maven.plugins maven-compiler-plugin 1.5 1.5 junit junit 4.8.2 test