KumuluzEE OpenAPI MicroProfile Parent
· KumuluzEE OpenAPI extension provides powerful tools to incorporate the OpenAPI Specification to your microservice.
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 kumuluzee-openapi-mp-parent-1.4.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.