JaCoCo is an open source Java code coverage tool. JaCoCo is distributed under EPL v1 and provides ant/maven support. JaCoCo is the engine used by Eclipse plug-in EclEmma.
JaCoCo can be easily integrated into ICU4J build/test framework as well as Eclispe IDE (EclEmma). This ticket is used for adding JaCoCo build target in ICU4J and integrate the code coverage check into the continuous build.