| Abbreviation | Definition |
|---|---|
| JDRK | Java Developer's Resource Kit |
| JDSL | Java Data Structures Library |
| JDT | Java Development Tools |
| JDX | Java Desktop For XWindows |
| JEAN | JOSS Extended and Adapted for Nineteen-hundred |
| JEB | Java Exchange Bridge |
| JEE | Java Platform Enterprise Edition |
| JEFF | J Executable File Format |
| JEL | Jdevelop Extension Library |
| JEM | Java Extension Manager |
| JEM | JSON Entity Model |
| JEOD | JSC Engineering Orbital Dynamics |
| JEP | Java (Math) Expression Parser |
| JEP | Jewish Education Programming |
| JES | Java Enterprise System |
| JESSICA | Java Enabled Single System Image Computing Architecture |
| JET | Jumpstart Enterprise Toolkit |
| JEX | JavaDoc API for Expression Languages |
| JFC | Java Foundation Classes |
| JFE | Jen's File Editor |