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 koupleless-adapter-log4j2-spring-starter-3.2-1.2.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
org.springframework.boot.logging.log4j2
├─ org.springframework.boot.logging.log4j2.Log4J2LoggingSystem.class - [JAR]
org.springframework.boot.context.logging
├─ org.springframework.boot.context.logging.LoggingApplicationListener.class - [JAR]