Java — page 2 of 10

Java terms

101. callback methods Component methods called by the container to notify the component of important events in its life cycle.
102. caller Same as caller principal.
103. caller principal The principal that identifies the invoker of the enterprise bean method.
104. carriage return The \r character. Also used as a synonym for the `Return' or `Enter' key used to terminate a line of text.
105. cascade delete A deletion that triggers another deletion. A cascade delete can be specified for an entity bean that has container-managed persistence.
106. cascading if-else statement A form of if-else statement in which each else-part (except the last) consists of a further nested if-else statement.
107. CASE The last card of a certain rank in the deck. Example: "The flop came J-8-3; I've got pocket jacks, he's got pocket 8's, and then the case eight falls on…
108. case label The value used to select a particular case in a switch statement.
109. case sensitive A test that is sensitive to whether a character is upper-case (e.g., 'A') or lower-case (e.g., 'a').
110. CAST Commercial Acquisition Streamlining Team (USAF team name).
111. casting Explicit conversion from one data type to another.
112. Catch At a recreational fishery, refers to the number of fish captured, whether they are kept or released.
113. catch clause The part of a try statement responsible for handling a caught exception.
114. catching exceptions Exceptions are caught within the catch clause of a try statement. Catching an exception gives the program an opportunity to recover from the problem or…
115. CDATA A predefined XML tag for character data that means "don't interpret these characters," as opposed to parsed character data (PCDATA), in which the normal…
116. CDC (Connected Device Configuration) The Connected Device Configuration (CDC) is a specification for a Java ME configuration.
117. CDMA (Code-Division Multiple Access) Code-Division Multiple Access (CDMA) is a cellular technology widely used in North America.
118. CDMA One Also know as IS-95, CDMAOne is a 2nd generation wireless technology. Supports speeds from 14.4Kbps to 115K bps.
119. CDMA2000 Also known as IS-136, CDMA2000 is a 3rd generation wireless technology. Supports speeds ranging from 144Kbps to 2Mbps.
120. CDPD (Cellular Digital Packet Data) A data communication standard utilizing the unused capacity of cellular voice providers to transfer data.
121. Central Processing Unit The Central Processing Unit (CPU) is the heart of a computer as it is the part that contains the computer's ability to obey instructions.
122. certificate authority A trusted organization that issues public key certificates and provides identification to the bearer.
123. Char A byproduct of low-temperature carbonization of a solid fuel.
124. character set encoding The set of values assigned to characters in a character set. Related characters are often grouped with consecutive values, such as the alphabetic…
125. checked exception An exception that must be caught locally in a try statement, or propagated via a throws clause defined in the method header. See unchecked exception.
126. cHTML (Compact HTML) Compact HTML (cHTML) is a subset of HTML which is designed for small devices. The major features of HTML that are excluded from cHTML are: JPEG image…
127. class Article I, section 3 of the Constitution requires the Senate to be divided into three classes for purposes of elections.
128. class body The body of a class definition. The body groups the definitions of a class's members - fields, methods and nested classes.
129. class constant A variable defined as both final and static.
130. class header The header of a class definition. The header gives a name to the class and defines its access.
131. class inheritance When a super class is extended by a sub class, a class inheritance relationship exists between them.
132. class method A synonym for static method.
133. class scope Private variables defined outside the methods within a class have class scope. They are accessible from all methods within the class, regardless of the…
134. class variable A synonym for static variable.
135. classpath The path searched by the compiler and interpreter for class definitions. The class path may be set by a command-line argument to either, or via an…
136. CLDC (Connected, Limited Device Configuration) The Connected, Limited Device Configuration (CLDC) is a specification for a Java ME configuration.
137. client Any computer system that requests a service of another computer system. A workstation requesting the contents of a file from a file server is a client of…
138. client-certificate authentication An authentication mechanism that uses HTTP over SSL, in which the server and, optionally, the client authenticate each other with a public key certificate…
139. codebase Works together with the code attribute in the <APPLET> tag to give a complete specification of where to find the main applet class file: code specifies…
140. Cohesion The mutual attraction of soil particles due to molecular and capillary forces in the presence of water.
141. command-line argument Arguments passed to a program when it is run. A Java program receives these in the single formal argument to its main method public static void…
142. comment A piece of text intended for the human reader of a program. Compilers ignore their contents.
143. commit To send a person to prison, asylum or reformatory by a court order.
144. Common Gateway Interface The Common Gateway Interface (CGI) is a standard that allows Web clients to interact with programs on a Web server.
145. compilation The process of translating a programming language. This often involves translating a high level programming language into a low level programming…
146. compilation unit The smallest unit of source code that can be compiled. In the current implementation of the Java platform, the compilation unit is a file.
147. compiler A program which performs a process of compilation on a program written in a high level programming language.
148. complement operator The complement operator, ~, is used to invert the value of each bit in a binary pattern. For instance, the complement of 1010010 is 0101101.
149. component Subsystem, assembly, or subassembly of logically grouped hardware and software, that performs interacting tasks to provide BMDS capability at a functional…
150. component (JavaServer Faces technology) See JavaServer Faces UI component.
151. component contract The contract between a J2EE component and its container. The contract includes life-cycle management of the component, a context interface that the…
152. component-managed sign-on A mechanism whereby security information needed for signing on to a resource is provided by an application component.
153. compositing The process of superimposing one image on another to create a single image.
154. concurrency Part of an acquisition strategy which combines or overlaps two or more phases of the acquisition process, or combines development T&E with operational T&E.
155. condition A health problem with certain characteristics or symptoms.
156. conditional operator A symbol or keyword specifying how to compare values. Conditional operators are used to query a database.
157. Configuration The number, shape, organization and relationship of panes (lights) of glass, sash, frame, muntins or tracery.
158. connection The physical connection (e.g. transmission lines, transformers, switch gear, etc.
159. connection factory See resource manager connection factory.
160. connection handshake An exchange of messages between two processes in an attempt to establish a connection between them.
161. connector A hold'em starting hand in which the two cards are one apart in rank. Examples: KQs, 76.
162. Connector architecture An architecture for integration of J2EE products with enterprise information systems.
163. const A reserved Java keyword not used by current versions of the Java programming language.
164. constant A variable whose value may not be changed. In Java, these are implemented by final variables.
165. constructor A constructor is automatically called when an instance of its class is created.
166. Container In the Exchange Administrator program, an object that contains other objects. For example, the Recipients container is composed of recipient objects.
167. container-managed persistence The mechanism whereby data transfer between an entity bean's variables and a resource manager is managed by the entity bean's container.
168. container-managed sign-on The mechanism whereby security information needed for signing on to a resource is supplied by the container.
169. container-managed transaction A transaction whose boundaries are defined by an EJB container. An entity bean must use container-managed transactions.
170. content In an XML document, the part that occurs after the prolog, including the root element and everything it contains.
171. context attribute An object bound into the context associated with a servlet.
172. context root A name that gets mapped to the document root of a Web application.
173. continue A Java keyword used to resume program execution at the end of the current loop. If followed by a label, continue resumes execution where the label occurs.
174. continue statement A statement that may only be used inside the body of a loop. In the case of a while loop or do loop, control passes immediately to the loop's terminating…
175. continuous simulation In a continuous simulation, time ticks past at a regular rate that is applicable to the particular simulation scenario.
176. control structure A statement that affects the flow of control within a method. Typical control structures are loops and if statements.
177. conversational state The field values of a session bean plus the transitive closure of the objects reachable from the bean's fields.
178. copy constructor A constructor taking a single argument of the same class. For instance public class Point { // Use p's attributes to initialize this object.
179. CORBA Common Object Request Broker Architecture.
180. core class A public class (or interface) that is a standard member of the Java Platform. The intent is that the core classes for the Java platform, at minimum, are…
181. core packages The required set of APIs in a Java platform edition which must be supported in any and all compatible implementations.
182. coupling The phase state in which either two dominant or two recessive alleles of two different genes occur on the same chromosome. Synonym: cis configuration.
183. create method A method defined in the home interface and invoked by a client to create an enterprise bean.
184. credentials Also called access credentials or security credentials. In authentication and authorization, a system uses credentials to identify who is making a call…
185. critical section A section of code in which there is potential for a race hazard. Critical sections make use of the synchronized methods or statements.
186. CSS Cascading Style Sheet - a technology used for webpages to format fonts and control layouts on the computer display.
187. CTS (1) Clear To Send ( TelComm /Computer term). (2) Contact Test Set (USA IFTE term).
188. curly brackets See block.
189. cursor A graphic pointer used with a mouse to point to a location on a terminal screen.
190. CVM (Compact Virtual Machine) The Compact Virtual Machine (CVM) is an optimized Java virtual machine (JVM) that is used by the CDC.
191. daemon thread Daemon threads are non-user threads. They are typically used to carry out low-priority tasks that should not take priority over the main task of the…
192. data A representation of facts, concepts, or instructions in a formalized manner suitable for communication, interpretation, or processing by humans or by…
193. data type The type of information that one field can store, for example, text, rich text, numbers, keywords, and time.
194. datagram A packet of information passed between two communicating processes across a network.
195. DDP Document-driven programming. The use of XML to define applications.
196. De Morgan's Theorem Two rules that can help to simplify boolean expressions involving multiple logical-not operators in combination with other boolean operators.
197. deadlock A situation that arises when two threads each acquires the lock to one of a set of resources that they both need.
198. decimal Number representation in base 10. In base 10, the digits 0 to 9 are used. Digit positions represent successive powers of 10.
199. Deck A deck is a collection of one or more WML cards that can be downloaded, to a mobile phone, as a single entity.
200. declaration a document in which an applicant for patent declares, under penalty of fine or imprisonment, or both (18 USC 1001), that (1) he or she is the original or…