Parent POM
· A Common Maven Build Parent for NIST Open Source Projects, that provides for centralized management of plugin versions, code style, and other code quality checks.
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 oss-parent-26.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.