Used to control the versions of project's dependencies and provide a central place to define and update those versions for all projects under this
organization.
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 common-dependencies-1.1.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.