- J #
- J. Tilfældig hacker
- J2EE
- J2EE Application Deployer og administrator
- J2EE-klient
- J2EE-komponenter
- J2EE produktudbyder
- J2ME
- JAAS
- Jabber
- Jacquard væven
- JAD
- jaggies
- Jailbreak
- Jailbreak-app
- Jammer
- Jank
- JApplet
- JAQL
- KRUKKE
- Java
- Java 2 platform Micro Edition (J2ME)
- Java 2-platform, Enterprise Edition (J2EE)
- Java 2-platform, Enterprise Edition (J2EE) -komponenter (J2EE-komponenter)
- Liste over Java-adgangskontrol (Java ACL)
- Java ACL
- Java API til XML Web Services
- Java API til XML-baseret RPC (JAX-RPC)
- Java-applet
- Java Archive (JAR)
- Java Authentication and Authorization Service (JAAS)
- Java Bytecode
- Java-kort
- Java Data Objects (JDO)
- Java Database Connectivity (JDBC)
- Java-databasekonnektivitetsarkitektur (JDBC-arkitektur)
- Java Database Connectivity Connector (JDBC Connector)
- Java Database Connectivity Interface (JDBC Interface)
- Java Development Kit (JDK)
- Java Foundation Classes (JFC)
- Java HyperText Markup Language (JHTML)
- Java Management Extensions (JMX)
- Java ME
- Java ME WTK
- Java Media Framework (JMF)
- Java Message Service (JMS)
- Java-objekt
- Java Platform Micro Edition (Java ME)
- Java Remote Method Invocation (Java RMI)
- Java RMI
- Java Runtime Environment (JRE)
- Java Servlet
- Java Swing
- Java Virtual Machine (JVM)
- Java Zero Day
- JavaBeans
- javadoc
- JavaScript (JS)
- JavaScript-objektnotation (JSON)
- JavaServer Pages (JSP)
- JavaStation
- JAX-RPC
- JBOD
- JBoss Application Server (JBoss AS)
- JBoss AS
- JCL
- JDBC
- JDBC Arkitektur
- JDBC-stik
- JDBC-interface
- JDK
- JDO
- Jeff K.
- JenniCam
- JeOS
- Jerusalem-virus
- Jet Propulsion Laboratory (JPL)
- JFC
- JFET
- JFlow
- JHTML
- Jigsaw
- Jikes
- Jimmy Wales
- Jini
- JIT
- JIT Compiler
- Jitter (VoIP)
- Jitter Buster
- Jitter Test
- JK Flip-Flop
- JMF
- JMS
- JMX
- Job
- Jobkæde
- Jobkontrol sprog (JCL)
- Jobplanlægning
- JobTracker
- Joe Job
- John Draper
- John McCarthy
- John von Neumann
- Tilslutte
- Fælles applikationsudvikling (JAD)
- Joint Photographic Experts Group (jpg)
- Joli OS
- Joomla
- Joseph Carl Robnett Licklider
- Joule
- Journey Analytics
- Joystick
- jpg
- JPL
- jQuery
- JRE
- JS
- JScript
- JSON
- JSON Query Language (JAQL)
- JSON-LD
- JSP
- Jukex
- Julian Date
- Jumper
- Junction Field Effect Transistor (JFET)
- Bare et stykke diske (JBOD)
- Bare nok operativsystem (JeOS)
- Just-In-Time (JIT)
- Just-in-Time Compiler (JIT Compiler)
- JVM
- JXTA
- Jython
