A binary package of a PostgreSQL server for use with the
dk.kosmisk:postgresql-maven-plugin plugin.
This exists in windows - 32/64 bit, linux 32/64 bit & osx 64bit
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 postgresql-binary-10.10.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
