J-PEG [or JPEG]: Abbreviation for Joint Photographic Experts Group. 1. A standardized, if relatively lossy, file format for transporting, storing, and/or…
J2EE (Java 2 Enterprise Edition)Java 2 Enterprise Edition is the second version of the platform definition for advanced Java applications built on Enterprise Java Beans (EJB).
J2EE applicationAny deployable unit of J2EE functionality. This can be a single J2EE module or a group of modules packaged into an EAR file along with a J2EE application…
J2EE componentA self-contained functional software unit supported by a container and configurable at deployment time.
J2EE moduleA software unit that consists of one or more J2EE components of the same container type and one deployment descriptor of that type.
J2EE productAn implementation that conforms to the J2EE platform specification.
jam signalA signal that carries a bit pattern sent by a data station to inform the other stations that they must not transmit.
JAMESJoint Automated Message Editing System (USN term).
JammersRadio transmitters accompanying attacking RVs and tuned to broadcast at the same frequency as defensive radar.
jammingThe deliberate radiation, reradiation, or reflection of electromagnetic energy for the purpose of disrupting enemy use of electronic devices, equipment…
jamming marginThe level of interference (jamming) that a system is able to accept and still maintain a specified level of performance, such as maintain a specified…
jamming to signal ratio (J/S)The ratio, usually expressed in dB, of the power of a jamming signal to that of a desired signal at a given point such as the antenna terminals of a…
Java 2 Platform, Enterprise Edition (J2EE)An environment for developing and deploying enterprise applications. The J2EE platform consists of a set of services, application programming interfaces…
Java 2 SDKA particular implementation of the abstract functionality described in Sun's specification of the Java 2 Platform.
Java 2 SDK, Standard EditionThe Software Development Kit (SDK) is development environment for building applications, applets, and components using the Java programming language.
Java API for XML Processing (JAXP)An API for processing XML documents. JAXP leverages the parser standards SAX and DOM so that you can choose to parse your data as a stream of events or to…
Java appletA small application-program component that typically executes in a client's Web browser, but can execute in a variety of other simple applications or…
Java appletsSmall programs written in the Java programming language that can be embedded into web pages.
Java CardThe Java Card specification allows Java technology to run on smart cards and other small devices.
Java Card APIAn ISO 7816-4 compliant application environment focused on smart cards.
Java Compatibility Kit (JCK)A test suite, a set of tools, and other requirements used to certify a Java platform implementation conformant both to the applicable Java platform…
Java Database Connectivity (JDBC)An industry standard for database-independent connectivity between the Java platform and a wide range of databases.
Java Database Connectivity (JDBCTM)An industry standard for database-independent connectivity between a computer platform or device operating in the Java™ environment and a wide range of…
Java Development Kit (JDK)A software development environment for writing applets and applications in the Java programming language.
Java Foundation Classes (JFC)An extension that adds graphical user interface class libraries to the Abstract Windowing Toolkit (AWT).
Java IDLA technology that provides CORBA interoperability and connectivity capabilities for the J2EE platform.
Java Interface Definition Language (IDL)A set of Java APIs that provide CORBA (Common Object Request Broker Architecture) interoperability and connectivity capabilities for the J2EE platform.
Java ME (Java Micro Edition)Java 2, Micro Edition is a group of specifications and technologies that pertain to Java on small devices.
Java ME WTKThe Sun Java Wireless Toolkit is a set of tools that provides developers with an emulation environment, documentation and examples for developing Java…
Java Media APIsA set of APIs that support the integration of audio and video clips, 2D fonts, graphics, and images as well as 3D models and telephony.
Java Media FrameworkThe core framework supports clocks for synchronizing between different media (e.g., audio and video output).
Java Native InterfaceA standard programming interface for writing Java native methods and embedding the JVM into native applications.
Java PlatformConsists of class libraries, a Java virtual machine (JVM) and class loader (which comprise the runtime environment) and a compiler, debugger and other…
Java Platform EditionsA Java platform "edition" is a definitive and agreed-upon version of the Java platform that provides the functionality needed over a broad market segment.
Java Remote Method Invocation (RMI)A distributed object model for Java program to Java program, in which the methods of remote objects written in the Java programming language can be…
Java Runtime Environment (JRE)A subset of the Java Development Kit (JDK) for end-users and developers who want to redistribute the runtime environment alone.
Java Transaction Service (JTS)Specifies the implementation of a transaction manager that supports JTA and implements the Java mapping of the Object Management Group Object Transaction…
Java virtual machine<sup>1</sup>A software "execution engine" that safely and compatibly executes the byte codes in Java class files on a microprocessor (whether in a computer or in…
JavaBeanA portable, platform-independent, reusable component model that conforms to specification defining how Java objects interact.
JavaBeansA portable, platform-independent reusable component model. A component that conforms to this model is called a bean.
JavaBeans componentA Java class that can be manipulated by tools and composed into applications. A JavaBeans component must adhere to certain property and event interface…
JavaCheckA tool for checking compliance of applications and applets to a specification.
JavadocsJava-generated documentation files. The Globus Toolkit distribution uses this tool to automatically generate API documentation from the code itself.
JavaHQJavaHQ is the Java platform control center on your Palm OS device.
JavaSafeA tool for tracking and managing source file changes, written in Java.
JavaScriptA Web scripting language that is used in both browsers and Web servers. Like all scripting languages, it is used primarily to tie other components…
JavaScriptsprograms written in the JavaScript programming language. JavaScripts run on the Internet user's computer rather than the web server's computer.
JavaServer Faces conversion modelA mechanism for converting between string-based markup generated by JavaServer Faces UI components and server-side Java objects.
JavaServer Faces expression languageA simple expression language used by a JavaServer Faces UI component tag attributes to bind the associated component to a bean property or to bind the…
JavaServer Faces navigation modelA mechanism for defining the sequence in which pages in a JavaServer Faces application are displayed.
JavaServer Faces TechnologyA framework for building server-side user interfaces for Web applications written in the Java programming language.
JavaServer Faces UI componentA user interface control that outputs data to a client or allows a user to input data to a JavaServer Faces application.
JavaServer Pages (JSP)An extensible Web technology that uses static data, JSP elements, and server-side Java objects to generate dynamic content for a client.
JavaSpacesA technology that provides distributed persistence and data exchange mechanisms for code in Java.
JavaTMA trademarked set of programming language technologies for creating and safely running software programs in both stand-alone and networked environments.