This maven pom project embeds the various samples for the graphql-maven-plugin.
These samples act both as samples, and integration tests, to validate the behavior of the plugin in different configurations.
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 graphql-maven-plugin-samples-2.0RC1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.