| Abbreviation | Definition |
|---|---|
| JMS | Joinery Management Software |
| JMX | Java Management Extensions |
| JNA | Java Native Access |
| JNCM | Joint Network Coding and Modulation |
| JNDI | Java Naming and Directory Interface |
| JNFC | Joint Network And Fountain Coding |
| JNFC | Joint Network Fountain Coding |
| JNI | Java Native Interface |
| JNT | Java Numerical Toolkit |
| JOE | Joe's Own Editor |
| JOODA | Java Object Oriented Design and Analysis |
| JOP | Jump Oriented Programming |
| JOS | Java Object Serialization |
| JOS | Java Operating System |
| JOS | Joel on Software |
| JOSS | Journal of Open Source Software |
| JOT | Java Oriented Test |
| JPA | Java Persistence API |
| JPDA | Java Platform Debugger Architecture |
| JPG | Joint Photographic Experts Group (JPEG) |