| Abbreviation | Definition |
|---|---|
| JTM | JSON Topic Maps |
| JTS | Java Transaction Service |
| JUG | Java User Group |
| JUGHEAD | Jonzys Universal Gopher Hierarchy Excavation And Display |
| JVM | Java Virtual Machine |
| JVML | Java Virtual Machine Language |
| JVMS | Java Virtual Machine Specification |
| JVMS-2 | Java Virtual Machine Specification, Second Edition |
| JVMU | Java Virtual Memory Unit |
| JVPM | Java Virtual Parallel Machine |
| JVT | Java Value Type |
| JWA | JSON Web Algorithms |
| JWAG | Java Web Application Generator |
| JWE | JDeveloper Wireless Extension |
| JWK | Json Web Key |
| JWK | JSON Web Keys |
| JWKS | JSON Web Key Set |
| JWL | Joystick Wrapper Library |
| JWM | Japanese WordMage |
| JWN | JWordNet |