| Abbreviation | Definition |
|---|---|
| JCL | Java Constraints Library |
| JCL | Jdevelop Control Library |
| JCL | Jobstream Command Logging |
| JCMT | Joint Collection Management Tools |
| JCOP | Java Card OpenPlatform |
| JCP | Java Community Process |
| JCR | Java Content Repository |
| JCS | Java Caching System |
| JCSC | Java Coding Standard Checker |
| JCSL | JAFS Collaborative Source License |
| JCSP | Java Communication Sequential Processes |
| JDEE | Java Development Environment for EMACS |
| JDEX | Java Distributed Event eXecution |
| JDF | Job Definition Format |
| JDF | JXTA (Juxtapose) Distributed Framework |
| JDI | JavaTM Debug Interface |
| JDK | Java Development Kit |
| JDM | Java Data Mining |
| JDO | Java Data Object |
| JDR | Java Developer's Resource |