| ACID | Atomicity Consistency Isolation and Durability - transaction properties |
| ANT | Another Neat Tool |
| BMP | Bean Managed Persistence |
| BSF | Bean Scripting Framework |
| CMP | Container Managed Persistence |
| CMR | Container Managed Relationship |
| CORBA | Common Object Request Broker Architecture (Specified by the OMG) |
| DD | Deployment Descriptor |
| DTD | Document Type Definition (Describes XML documents) |
| EAI | Enterprise Application Integration |
| EAR | Enterprise Application aRchive |
| EJB | Enterprise Java Bean |
| HTML | HyperText Markup Language |
| HTTP | HyperText Transfer Protocol |
| HTTPS | HyperText Transfer Protocol - Secure (SSL) |
| IDL | Interface Definition Language |
| IIOP | Internet Inter Orb Protocol (An OMG specified CORBA protocol) |
| IOR | Interoperable Object Reference |
| J2EE | Java Two Enterprise Edition |
| JAAS | Java Authentication and Authorisation Service |
| JAR | Java ARchive |
| JAX | Java API for XML |
| JCA | Java Connection Architecture |
| JDBC | Java DataBase Connectivity |
| JIT | Just In Time (Java rolling compiler) |
| JMS | Java Messaging Service |
| JMX | Java Management eXtension |
| JNDI | Java Naming and Directory Interface |
| JSP | Java Server Page |
| JTS | Java Transaction Service |
| JVM | Java Virtual Machine - a Java process |
| LDAP | Lightweight Directory Access Protocol (small version of X.500) |
| LTPA | Lightweight Third Party Authentication (usually LDAP) |
| MDB | Message Driven Bean |
| MIME | Multi-purpose Internet Mail Extensions |
| MVC | Model View Controller - design pattern for Java websites |
| OMG | Object Management Group - standards body |
| RAR | Resource Adapter aRchive |
| RAS | Reliability Availability Serviceability |
| RMI | Remote Method Invocation (rather like RPC) |
| RPC | Remote Procedure Call (rather like RMI) |
| SAX | Simple API for XML |
| SIB | Service Invocation Bus |
| SOAP | Simple Object Access Protocol |
| SQL | Structured Query Language (for database queries) |
| SSL | Secure Sockets Layer |
| UDDI | Universal Description, Discovery and Integration |
| UML | Unified Modeling Language (Object development tool) |
| URL | Unique/Universal Resource Locator |
| WAP | Wireless Access Protocol |
| WAR | Web Application Archive |
| WAS | WebSphere Application Server |
| WBIMB | WebSphere Business Integration Message Broker
Sometimes loses leading 'W' and gains a trailing 'O' |
| WLM | Work Load Management |
| WSDL | Web Services Description Language |
| XMI | XML Metadata Interchange |
| XML | eXtensible Markup Language |
| XSL | eXtensible Stylesheet Language |
| X.500 | Heavyweight computing directory service |
