Quarkus - REST - JSON-B - Runtime
· JSON-B serialization support for RESTEasy Reactive. This extension is not compatible with the quarkus-resteasy extension, or any of the extensions that depend on it.
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 quarkus-rest-jsonb-3.9.0.CR1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.