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A Local Area Network (LAN) is a group of devices connected with various communications technologies in a small geographic area. Ethernet is the most widely-used LAN technology. Communication on a LAN can either be with Peer-to-Peer devices or Client-Server devices.
- Browse Related Terms: 3G (Third generation), 802.11, AMPS (Advanced Mobile Phone Service), CDMA (Code-Division Multiple Access), CDMA One, CDMA2000, CDPD (Cellular Digital Packet Data), EDGE (Enhanced Data GSM Environment), FDMA (Frequency-division multiple-access), i-mode, JavaSpaces, LAN (Local area network), OTA (Over The Air), PCS (Personal Communications Service), PDC (Personal Digital Cellular), TDMA (Time-division multiple access), UMTS (Universal Mobile Telecommunications Service), W-CDMA (Wideband Code-Division Multiple Access), WAE (Wireless Application Environment), WDP (Wireless Datagram Protocol)
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An object responsible for sharing the available space between multiple components within a graphical container.
- Browse Related Terms: bean, HSB Color Model, JavaBeans, layout manager, life cycle (JavaServer Faces), module, Pipe, radio buttons, RGB Color Model, service element, shortcut key
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LCDUI is a shorthand way of referring to the MIDP user interface APIs, contained in the
javax.microedition.lcduipackage. Strictly speaking, LCDUI stands for Liquid Crystal Display User Interface. It's a user interface toolkit for small device screens which are commonly LCD screens.- Browse Related Terms: CDC (Connected Device Configuration), CLDC (Connected, Limited Device Configuration), configuration, Foundation Profile, GCF (Generic Connection Framework), Java 2 Platform, Micro Edition (J2ME), Java ME (Java Micro Edition), Java ME WTK, JDBC for CDC/FP, LCDUI (Liquid Crystal Display User Interface), MExE (Mobile Execution Environment), MIDP (Mobile Information Device Profile), MIDP-NG (Next Generation MIDP specification), optional package, PDAP (Personal Digital Assistant Profile), Personal Profile, PersonalJava, profile, RMI OP (RMI Optional Package), RMI Profile, T9
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The left shift operator (
<<) is a bit manipulation operator. It moves the bits in its left operand zero or more places to the left, according to the value of its right operand. Zero bits are added to the right of the result.- Browse Related Terms: ASCII, atomic, bit manipulation operator, bitwise operator, complement operator, exclusive-or operator, left shift operator, right shift operator, shift operator, sign bit, twos-complement notation
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Pertaining to how the characters in source code are translated into tokens that the compiler can understand.
- Browse Related Terms: bytecode, classpath, compilation, compilation unit, compiler, edit-compile-run cycle, interpreter, Java Virtual Machine (JVM), JavaSafe, Just-in-time (JIT) Compiler, lexical, linker, Obfuscation, punctuation, runtime system, single line comment, Unicode
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The ordering of words as they would be found in a dictionary. It should be noted that different locales order similar looking words according to their own conventions - this applies, in particular, to accented characters.
- Browse Related Terms: character set encoding, dotted decimal notation, lexicographic ordering, newline, null, null character, number base, octal character constant
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- The framework events of a J2EE component's existence. Each type of component has defining events that mark its transition into states in which it has varying availability for use. For example, a servlet is created and has its
initmethod called by its container before invocation of its service method by clients or other servlets that require its functionality. After the call of itsinitmethod, it has the data and readiness for its intended use. The servlet'sdestroymethod is called by its container before the ending of its existence so that processing associated with winding up can be done and resources can be released. Theinitanddestroymethods in this example are callback methods. Similar considerations apply to the life cycle of all J2EE component types: enterprise beans, Web components (servlets or JSP pages), applets, and application clients. - Browse Related Terms: application client, application client container, callback methods, Component, component contract, component-managed sign-on, container, Enterprise JavaBeans (EJB), life cycle (J2EE component), naming environment, Sandbox, security permission, security permission set, software reuse, Web container
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A set of phases during which a request for a page is received, a UI component tree representing the page is processed, and a response is produced. During the phases of the life cycle:
- Browse Related Terms: bean, HSB Color Model, JavaBeans, layout manager, life cycle (JavaServer Faces), module, Pipe, radio buttons, RGB Color Model, service element, shortcut key
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The (LIFO) semantics of a stack data structure. Items are removed in the opposite order to which they arrived in the stack, so newer items are always removed before older ones. See first in, first out.
- Browse Related Terms: binary search, FIFO (first in, first out), Image Map, infinite recursion, LIFO (last in, first out), Stack, stack overflow
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See thread.
- Browse Related Terms: Concurrency, curly brackets, daemon thread, garbage collector, interrupt, lightweight process, livelock, multithreaded, parallel programming, polling, preempt, priority level, process, quantum, race hazard, round robin allocation, synchronized, thread starvation, timeslice
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A module that builds an executable, complete program from component machine code modules. The Java linker creates a runnable program from compiled classes. See also compiler, interpreter, runtime system.
- Browse Related Terms: bytecode, classpath, compilation, compilation unit, compiler, edit-compile-run cycle, interpreter, Java Virtual Machine (JVM), JavaSafe, Just-in-time (JIT) Compiler, lexical, linker, Obfuscation, punctuation, runtime system, single line comment, Unicode
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The basic representation of any integer, floating point, or character value. For example, 3.0 is a double-precision floating point literal, and "a" is a character literal.
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A common difference between machines is the order in which they store the individual bytes of multi-byte numerical data. A little-endian machine stores the lower-order bytes before the higher-order bytes. See big-endian.
- Browse Related Terms: big-endian, CVM (Compact Virtual Machine), JVM, KVM (Kilobyte Virtual Machine), little-endian, scheduler, Thread, virtual machine
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A situation in which a thread waits to be notified of a condition but, on waking, finds that another thread has inverted the condition again. The first thread is forced to wait again. When this happens indefinitely, the thread is in livelock.
- Browse Related Terms: Concurrency, curly brackets, daemon thread, garbage collector, interrupt, lightweight process, livelock, multithreaded, parallel programming, polling, preempt, priority level, process, quantum, race hazard, round robin allocation, synchronized, thread starvation, timeslice
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An inner class defined within a method.
- Browse Related Terms: behavior, bridging method, class, class body, deprecated, deprecation, field, inner class, interface, local inner class, logical error, marking interface, member, method body, monitor, Object, one-way messaging, overriding, request-response messaging, Return, runtime stack, static
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That part of the DTD that is defined within the current XML file.
- Browse Related Terms: binary entity, Entity, entity reference, external entity, external subset, general entity, local subset, notation, parameter entity, parsed entity, unparsed entity
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A variable defined inside a method body.
A data item known within a block, but inaccessible to code outside the block. For example, any variable defined within a method is a local variable and can't be used outside the method.
- Browse Related Terms: Attribute, class constant, class variable, constant, encapsulation, instance variable, local variable, magic number, method variable, model-view pattern, out of scope, overloading, static field, static variable, this, variable
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Details which are dependent upon conventions and customs adopted by a particular country or culture. Within programs, this affects issues such as number and date formatting, for instance. Designers of classes should be sensitive to the locale-specific issues that might apply to users.
- Browse Related Terms: Abstraction, accessor method, coupling, divide and conquer, factory pattern, floating point number, inconsistent state, information hiding, locale, mutator method, object-oriented design, pattern, singleton pattern, state, wrapper
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An error in the logical of a method or class. Such an error might not lead to an immediate runtime error, but could have a significant impact on overall program correctness.
- Browse Related Terms: behavior, bridging method, class, class body, deprecated, deprecation, field, inner class, interface, local inner class, logical error, marking interface, member, method body, monitor, Object, one-way messaging, overriding, request-response messaging, Return, runtime stack, static