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 log4jlogger-2.1M1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
log4j
├─ log4j.Log4jLogger.class - [JAR]