JNI - Java Native Interface

JNK - Junk

JNL - Java Numerical Library

JNLE - Jump if Not Less or Equal

JNO - Jump if No Overflow

JNP - Jump if No Parity

JNS - Jump if No Sign

JNZ - Jump if Not Zero

JOE - Java Objects Everywhere

JOHNNIAC - John Neumann Integrator and Automatic Computer

JOSS - Johnniac Open Shop System

JOTC - Joint Operability Test Center

JPE - Jump if Parity Even

JPE - Jet Propulsion Laboratory

JPEG - Joint Photographic Expert Group

JPL - Jet Propulsion Laboratory

JPT - Joe Project Tool

JS - JavaScript

JS - Jump if Sign

JSD - Jackson Structured Development

JSD - Jackson System Development

JSDK - Java Servlet Development Kit

JSEP - Joint Services Electronics Program

JSP - Jackson Structured Programming

JSQ - Joint the Shortest Queue