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 log4j-jcl-2.0-beta4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
org.apache.logging.log4j.jcl
├─ org.apache.logging.log4j.jcl.Log4JLog.class - [JAR]
├─ org.apache.logging.log4j.jcl.LogFactoryImpl.class - [JAR]