z/OS Transaction Management 1.0
· This feature enables the application server to synchronize and appropriately manage transactional activity between the Resource Recovery Services (RRS), the transaction manager of the application server, and the resource manager.
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 zosTransaction-1.0-23.0.0.8.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.