PureSol Technologies' commons libraries: This is a set of
functionality to extend standard JDK functionality and to collect
common functionality for PureSol Technologies' development
projects. This library is not intended to be used by parties outside
of PureSol Technologies, as changes between versions might be
incompatible.
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 parent-0.8.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
