Java — page 8 of 10

Java terms

701. publish/subscribe messaging system A messaging system in which clients address messages to a specific node in a content hierarchy, called a topic.
702. punctuation Symbols such as commas and semicolons, which a compiler uses to understand the structure of a program.
703. quantum See timeslice.
704. query string A component of an HTTP request URL that contains a set of parameters and values that affect the handling of the request.
705. queue A system where if a realm is overloaded, subsequent players trying to log on will be queued up in a first come first serve basis and allowed to log on…
706. quotient When integer division is performed, the result consists of a quotient and a remainder.
707. race condition See race hazard.
708. race hazard A situation that arises between multiple threads sharing a resource. A race hazard arises when one thread's assumptions about the state of a resource are…
709. radio buttons A group of selectable components in which only one component may be selected. Selection of one of the group causes the previously selected component to be…
710. Random Access Memory Random access memory, or RAM, is memory whose contents are easily accessible to the processing components of a computer.
711. RAR Resource Adapter Archive. A JAR archive that contains a resource adapter module.
712. raster A cellular data structure composed of rows and columns for storing images. Groups of cells with the same value represent features. See also grid.
713. RDF Resource Description Framework. An XML-based language for describing online resources.
714. RDF schema A standard for specifying consistency rules that apply to the specifications contained in an RDF.
715. Reader class A sub class of the Reader abstract, defined in the java.io package. Reader classes translate input from a host-dependent character set encoding into…
716. real number A number with an integer and a fractional part. The primitive types double and float are used to represent real numbers.
717. realm A server(s) that hosts a copy of the game. Each and every realm is distinct and seperate from all others and there are completely no interactions between…
718. recursion Recursion results from a method being invoked when an existing call to the same method has not yet returned.
719. redundant value The value of a data type that has no use or meaning within a particular context.
720. reentrant entity bean An entity bean that can handle multiple simultaneous, interleaved, or nested invocations that will not interfere with each other.
721. reference A document that discloses subject matter that is material to a determination of the patentability of a claimed invention. MPEP 2126, MPEP 2126.
722. reflection The process whereby radiation (or other waves) incident upon a surface is directed back into the medium through which it traveled.
723. registry An infrastructure that enables the building, deployment, and discovery of Web services.
724. registry provider An implementation of a business registry that conforms to a specification for XML registries (for example, ebXML or UDDI).
725. relational operators Operators, such as <, >, <=, >=, == and !=, that produce a boolean result, as part of a boolean expression.
726. relationship field A virtual field of an entity bean having container-managed persistence; it identifies a related entity bean.
727. relative filename A filename whose full path is relative to some point within a file system tree - often the current working folder (directory). For instance ../bin/javac.
728. remote interface One of two interfaces for an enterprise bean. The remote interface defines the business methods callable by a client.
729. remove method Method defined in the home interface and invoked by a client to destroy an enterprise bean.
730. render kit A set of renderers that render output to a particular client. The JavaServer Faces implementation provides a standard HTML render kit, which is composed…
731. renderer A Java class that can render the output for a set of JavaServer Faces UI components.
732. repetition See iteration.
733. request-response messaging A method of messaging that includes blocking until a response is received.
734. reserved word A word reserved for a particular purpose in Java, such as class, int, public, etc. Such words may not be used as ordinary identifiers.
735. resource Data, metadata, a collection of data, or a collection of metadata accessed as a content item. Examples: a document, a database table, a content class.
736. resource adapter A system-level software driver that is used by an EJB container or an application client to connect to an enterprise information system.
737. resource adapter module A deployable unit that contains all Java interfaces, classes, and native libraries, implementing a resource adapter along with the resource adapter…
738. resource manager Provides access to a set of shared resources. A resource manager participates in transactions that are externally controlled and coordinated by a…
739. resource manager connection An object that represents a session with a resource manager.
740. resource manager connection factory An object used for creating a resource manager connection.
741. Return Your return is the profit or loss you have on your investments, including income and change in value.
742. return statement A statement used to terminate the execution of a method. A method with void return type may only have return statements of the following form return; A…
743. return type The declared type of a method, appearing immediately before the method name, such as void in public static void main(String[] args) or Point[] in public…
744. return value The value of the expression used in a return statement.
745. RGB Color Model A color model based upon representing a color as three components: red, green and blue. See HSB Color Model.
746. right shift operator The right shift operator (>>) is a bit manipulation operator. It moves the bits in its left operand zero or more places to the right, according to the…
747. RMI Republic of the Marshall Islands.
748. RMI (Remote method invocation) Remote method invocation (RMI) is a feature of Java SE that enables Java objects running in one virtual machine to invoke methods of Java objects running…
749. RMI OP (RMI Optional Package) The RMI Optional Package (RMI OP) is a subset of Java SE 1.3's RMI functionality used in CDC-based profiles that incorporate the Foundation Profile, such…
750. RMI Profile The RMI Profile is a Java ME profile specification designed to support Java's Remote Method Invocation (RMI) distributed object system.
751. RMI-IIOP A version of RMI implemented to use the CORBA IIOP protocol. RMI over IIOP provides interoperability with CORBA objects implemented in any language if all…
752. RMS (Record Management System) The Record Management System (RMS) is a simple record-oriented database that allows a MIDlet to persistently store information and retrieve it later.
753. role (development) The function performed by a party in the development and deployment phases of an application developed using J2EE technology.
754. role (security) An abstract logical grouping of users that is defined by the application assembler.
755. role mapping The process of associating the groups or principals (or both), recognized by the container with security roles specified in the deployment descriptor.
756. rollback A return to a previous state that follows the failure to create an object, such as AWS CloudFormation stack.
757. root To trap a target in place/stuck using a "root" type spell such as Entangling Roots.
758. round robin allocation An allocation of timeslices that repeatedly cycles around a set of eligible threads in a fixed order.
759. RPC See definition for: Remote procedure call (RPC)
760. runtime error An error that causes a program to terminate when it is being run.
761. runtime stack A stack structure maintained by the Java Virtual Machine that records which methods are currently being executed.
762. runtime system The software environment in which programs compiled for the Java virtual machine can run.
763. Sandbox A network or series of networks that are not connected to other networks.
764. SAX See Simple API for XML.
765. scheduler Term used to describe a job scheduler mechanism to which GRAM interfaces. It is a networked system for submitting, controlling, and monitoring the…
766. Schema A set of rules or conceptual model for data structure and content, such as a description of the data content and relationships in a database.
767. scheme See protocol.
768. scope what is included - as in the scope of a claim
769. SDK (Software Development Kit) A Software Development Kit (SDK) is a set of tools used to develop applications for a particular platform.
770. search path A list of folders (directories) to be searched - for a program or class, for instance.
771. Secure Socket Layer (SSL) A technology that allows Web browsers and Web servers to communicate over a secured connection.
772. security attributes A set of properties associated with a principal. Security attributes can be associated with a principal by an authentication protocol or by a J2EE product…
773. security constraint A declarative way to annotate the intended protection of Web content. A security constraint consists of a Web resource collection, an authorization…
774. security context The security attributes or rules that are currently in effect. For example, the rules that govern what a user can do to a protected object are determined…
775. security permission A mechanism defined by J2SE, and used by the J2EE platform to express the programming restrictions imposed on application component developers.
776. security permission set The minimum set of security permissions that a J2EE product provider must provide for the execution of each component type.
777. Security Policy The set of laws, rules, and practices that regulate how an organization manages, protects, and distributes sensitive information.
778. security policy domain A scope over which security policies are defined and enforced by a security administrator.
779. security role See role (security).
780. security technology domain A scope over which the same security mechanism is used to enforce a security policy.
781. security view The set of security roles defined by the application assembler.
782. semantic error An error in the meaning of program. A statement may have no syntax errors, but might still break the rules of the Java language.
783. serialization The encoding of objects, and the objects reachable from them, into a stream of bytes and the complementary reconstruction of the object graph from the…
784. Server Any computer on a network that contains data or applications shared by users of the network on their client PCs.
785. server certificate An electronic stamp stored in the server's key ring file that contains a public key, a name, an expiration date, and a digital signature.
786. server principal The OS principal that the server is executing as.
787. service element A representation of the combination of one or more Connector components that share a single engine component for processing incoming requests.
788. service endpoint interface A Java interface that declares the methods that a client can invoke on a Web service.
789. servlet For more information, see http://www.apache.org.
790. servlet container A container that provides the network services over which requests and responses are sent, decodes requests, and formats responses.
791. servlet container, distributed A servlet container that can run a Web application that is tagged as distributable and that executes across multiple Java virtual machines running on the…
792. servlet context An object that contains a servlet's view of the Web application within which the servlet is running.
793. servlet mapping Defines an association between a URL pattern and a servlet. The mapping is used to map requests to servlets.
794. Session The period during which Congress assembles and carries on its regular business.
795. session bean An enterprise bean that is created by a client and that usually exists only for the duration of a single client-server session.
796. SGML Standard Generalized Markup Language (Computer term).
797. shallow copy A copy of an object in which copies of all the object's sub-components are not also made.
798. shift operator See left shift operator and right shift operator.
799. short A Java keyword used to define a variable of type short.
800. short-circuit operator An operator in which only as many operands are evaluated as are needed to determine the final result of the operation.