photoroster
· The IU Photo Roster is a tool in Canvas that you can access via the Canvas People tool. The roster displays the name, email address, role, photo, and NameCoach recording (if available) for each member of the course.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window photoroster-5.0.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.