poms-bom
· The POMS Bill of Materials manages all versions of the projects in the 'POMS' universe. This can be imported in projects that are not themselves part of it. Poms modules itself will use 'poms-parent' and manage also all external dependencies.
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 poms-bom-7.6.4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.