Eclipse Starter for Jakarta EE Archetypes
· This is the official Eclipse Foundation Starter for Jakarta EE.
It generates code to help get started with Jakarta EE projects.
It is possible to do so using Maven archetypes.
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 jakarta-starter-2.2.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.