Maven parent pom with maven default plugins preconfigured
· This is a parent pom that contains version and configs for the most widely used maven plugins.
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 pom-parent-with-defaults-4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.