JES - Java Embedded Server

JFC - Java Foundation Classes

JFIF - JPEG File Interchange Format

JFM - Junk Fax Mail

JFS - Journalized File System

JG - Jump if Greater

JGE - Jump if Greater Or Equal

JGL - Java Generic Library

JIDL - Java Interface Description Language

JIPS - Janet Internet Protocol Service

JIS - Japan Industrial Standard

JIT - Just - In - Time

JL - Jump if Less

JLIP - Joint Level Interface Protocol

JMAPI - Java Management Application Programming Interface

JMF - Java Media Framework

JMP - Jump

JN - Jordan Network

JNA - Jump if Not Above

JNAE - Jump if Not Above or Equal

JNB - Jump if Not Below

JNBE - Jump if Not Below or Equal

JNDI - Java Naming and Directory Interface

JNG - Jump if Not Greater

JNGE - Jump if Not Greater Or Equal