Overview Jamm provides MemoryMeter, a Java agent for all Java versions to measure actual object memory use including JVM overhead. Jamm assume that the JVM running the code is an HotSpot JVM. It has not been tested with other type of JVMs. Building "mvn package"; optionally, "mvn install" Setup your toolchains.xml We want to compile and test using different JVM versions. Configuration option jdkTo