The following text was written to the standard output stream when the WhiteArea.java program was executed from IntelliJ.
/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -javaagent:/opt/intellij-idea-community/lib/idea_rt.jar=40903:/opt/intellij-idea-community/bin -Dfile.encoding=UTF-8 -classpath /home/dreitz/IdeaProjects/CS1/out/production/CS1:/home/dreitz/Desktop/SimplePainter.jar:/home/dreitz/Desktop/SimpleComposer.jar:/home/dreitz/Desktop/jfugue-4.0.3-with-musicxml.jar shapes.WhiteArea area of 6 faces = 3.375 area of 21 dots = 0.1449611844551931 area of white area = 3.2300388155448068 Process finished with exit code 0