J...

• JA Jump Address + Jump if Above
• JAD Joint Application Design/Development
• JADE Java Addition to the Default System
• JAE Jump if Above or Equal
• JANET Joint Academic Network
• JAR Java Archive (file format)
• JBE Jump if Below or Equal
• JC Jump if Carry set
• JCA Java Cryptography Architecture
• JCL Job Control Language
• JDBC Java Database Connectivity
• JDF Job Description format
• JDK Java Development Kit
• JDSL Java Data Structures Library
• JE Jump if Equal
• JEDEC Joint Electronic Devices Engineering Council
• JEIDA Japanese Electronics Industry Development Association
• JEPI Joint Electronic Payment Initiative
• JES Job Entry System
• JFC Java Foundation Classes
• JFET Junction Field Effect Transistor
• JFIF JPEG File Interchange Format
• JFS Journaled File System [IBM]
• JG Jump if Greater
• JGE Jump if Greater or Equal
• JIPS JANET Internet Protocol Service
• JIT Just-In-Time (compiler)
• JL Jump if Less
• JLE Jump if Less than or Equal to
• JLIP Joint Level Interface Protocol
• JMAPI Java Management Application Program Interface
• JMF Java Media Framework [Sun]
• JMI Java Metadata Interface
• JMP Jump
• JMS Java Message Service
• JNA Jump if Not Above
• JNAE Jump if Not Above or Equal
• JNB Jump if Not Below
• JNBE Jump if Not Below or Equal
• JNG Jump if Not Greater
• JNGE Jump if Not Greater or Equal
• JNI Java Native Interface
• .JNK Junk (file name extension)
• JNLE Jump if Not Less or Equal
• JNO Jump if No Overflow
• JNP Jump if No Parity
• JNS Jump if No Sign
• JOE Java Objects Everywhere
• JOHNNIAC* John Neumann Integrator and
• Automatic Computer [Rand Corp.]
• JOSS * Johnniac Open Shop System [Rand Corp.]
• JPE Jump if Parity Even
• JPEG Joint Photographic Experts Group
• JPL Jet Propulsion Laboratory
• JPNF Join-Projection Normal Form
• JPO Jump if Parity Odd
• JRE Java Runtime Environment
• JS Jump if Sign
• JSP Java Server Page
• JSSE Java Secure Socket Extension
• JTAG Joint Test Action Group [IEEE]
• JTAPI Java Telephony Application Programming Interface
• JZ Jump if Zero
• JNZ Jump if Not Zero
• JSS Java-Script Style Sheet
• JUGHEAD Jonzy's Universal Gopher Hierarchy Excavation and Display [Internet]
• JVM Java Virtual Machine