KillTheGarbageCollector.java is a Java Class taken from https://nerds-central.blogspot.ch/2011/11/comparing-java-7-garbage-collectors.html
java -Xms3g -Xmx3g -XX:+UseSerialGC -verbose:GC -jar StressTestGui.jar
java -Xms3g -Xmx3g -XX:+UseConcMarkSweepGC -verbose:GC -jar StressTestGui.jar
java -Xms3g -Xmx3g -XX:+UseG1GC -XX:MaxGCPauseMillis=250 -XX:+PrintGCDetails -jar StressTestGui.jar