View Java Class Source Code in JAR file
- 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 simpleclient_log4j2-0.16.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
io.prometheus.client.log4j2
├─ io.prometheus.client.log4j2.InstrumentedAppender.class - [JAR]