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 java.servlet-api-1.2.2.1-jre17.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.
jakarta.servlet.api
├─ jakarta.servlet.api.DummyFile.class - [JAR]