356 lines
18 KiB
HTML
356 lines
18 KiB
HTML
<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1997, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="owner" content="RCHCLERK@us.ibm.com" />
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<title>J</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="j"></a>
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<h2 id="j">J</h2>
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<p>Return to <a href="as4glos.htm#as4glos">Glossary</a>.</p>
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<dl>
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<dt id="x2394203" class="bold">
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<a name="x2394203"></a>J2EE</dt>
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<dd>See <a href="rzaatj.htm#x2115822">Java™ 2 Platform Enterprise Edition</a>.</dd>
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<dt id="x2226331" class="bold">
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<a name="x2226331"></a>J2SE</dt>
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<dd>See <a href="rzaatj.htm#x2226327">Java 2 Platform Standard Edition</a>.</dd>
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<dt id="x2027611" class="bold">
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<a name="x2027611"></a>Jamo</dt>
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<dd>Elements of Korean written language.
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Korean alphabet.</dd>
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<dt id="x2027616" class="bold">
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<a name="x2027616"></a>Japanese basic-Kanji character set</dt>
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<dd>A subset of Japanese DBCS, consisting of commonly used Kanji characters. There
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are 3226 Kanji characters in this set.</dd>
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<dt id="x2027621" class="bold">
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<a name="x2027621"></a>Japanese dictionary</dt>
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<dd>See <a href="rzaatd.htm#x2019673">DBCS conversion dictionary</a>.</dd>
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<dt id="x2027625" class="bold">
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<a name="x2027625"></a>Japanese double-byte character set</dt>
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<dd>An IBM-defined double-byte character set for Japanese, consisting of the Japanese
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non-Kanji set, basic Kanji set, extended Kanji set, and up to 4370 user-definable
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characters.</dd>
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<dt id="x2027630" class="bold">
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<a name="x2027630"></a>Japanese extended-Kanji character set</dt>
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<dd>A subset of Japanese DBCS, consisting of less commonly used Kanji characters.
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There are 3487 characters in this set.</dd>
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<dt id="x2027635" class="bold">
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<a name="x2027635"></a>Japanese non-Kanji character set</dt>
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<dd>A subset of Japanese DBCS, consisting of non-Kanji characters like Greek,
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Russian, Roman numeric, alphanumeric and related symbols, Katakana, Hiragana,
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and special symbols. There are 550 characters in this set.</dd>
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<dt id="x2400901" class="bold">
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<a name="x2400901"></a>JAR</dt>
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<dd>See <a href="rzaatj.htm#x2115827">Java archive</a>.</dd>
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<dt id="x2027645" class="bold">
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<a name="x2027645"></a>Java</dt>
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<dd>An object-oriented programming
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language for portable interpretive code that supports interaction among remote
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objects. Java was developed and specified by Sun Microsystems,
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Incorporated.</dd>
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<dt id="x2115822" class="bold">
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<a name="x2115822"></a>Java 2 Platform Enterprise Edition (J2EE)</dt>
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<dd>An environment for developing and deploying enterprise applications,
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defined by Sun Microsystems Inc. The J2EE platform consists of a set of services,
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application programming interfaces (APIs), and protocols that provide the
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functionality for developing multitiered, Web-based applications. (Sun) See
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also <a href="rzaatj.htm#x2226327">Java 2 Platform Standard Edition</a>.</dd>
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<dt id="x2226327" class="bold">
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<a name="x2226327"></a>Java 2 Platform Standard Edition (J2SE)</dt>
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<dd>The core Java technology platform. (Sun) See also <a href="rzaatj.htm#x2115822">Java 2 Platform Enterprise Edition</a>, <a href="rzaatj.htm#x2027665">Java Development Kit</a>.</dd>
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<dt id="x2027710" class="bold">
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<a name="x2027710"></a>Java 2 Software Development Kit Standard
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Edition</dt>
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<dd>A product of Sun Microsystems, Inc. that implements the Java 2 Platform, Standard Edition. It is a software development kit that
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you can use to build applications for the Java 2 Platform, Standard Edition. It includes
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both the Java 2 development environment, Standard Edition and Java 2 Runtime Environment, Standard Edition.</dd>
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<dt id="x2115827" class="bold">
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<a name="x2115827"></a>Java archive (JAR)</dt>
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<dd>A compressed
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file format for storing all the resources that are required to install and
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run a Java program in a single file.</dd>
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<dt id="x2027650" class="bold">
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<a name="x2027650"></a>JavaBeans™</dt>
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<dd>As defined for Java by Sun Microsystems, a portable, platform-independent, reusable
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component model. See also <a href="rzaatb.htm#x2015283">bean</a>.</dd>
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<dt id="x2027655" class="bold">
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<a name="x2027655"></a>Java Database Connectivity (JDBC)</dt>
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<dd>An industry standard for database-independent connectivity between the Java platform and a wide range of databases. The JDBC interface provides
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a call-level API for SQL-based database access.</dd>
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<dt id="x2027660" class="bold">
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<a name="x2027660"></a>Java Developer Connection (JDC)</dt>
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<dd>A service that is designed for individual developers. JDC provides online
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training, product discounts, feature articles, error information, and early
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access capabilities.</dd>
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<dt id="x2027665" class="bold">
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<a name="x2027665"></a>Java Development Kit (JDK)</dt>
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<dd>The name of the software development kit that Sun Microsystems provided for
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the Java platform, up to and including v 1.1.x. In v 1.2, Sun changed their
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product name to Java 2 SDK. Sometimes (erroneously) used to mean the Java platform or as a generic term for Java developer kit. See also <a href="rzaatj.htm#x2226327">Java 2 Platform Standard Edition</a>.</dd>
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<dt id="x2027675" class="bold">
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<a name="x2027675"></a>Java interpreter</dt>
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<dd>A part of
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the Java virtual machine that interprets Java class files for a particular hardware
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platform.</dd>
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<dt id="x2027680" class="bold">
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<a name="x2027680"></a>Java Native Interface (JNI)</dt>
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<dd>A programming interface that allows Java code to interoperate with functions
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that are written in other programming languages.</dd>
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<dt id="x2027685" class="bold">
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<a name="x2027685"></a>Java Runtime Environment (JRE)</dt>
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<dd>A subset of the Sun Microsystems Java Development Kit (JDK) that contains
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the core executable programs and files that constitute the standard Java platform.
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The JRE includes the Java virtual machine (JVM), core classes,
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and supporting files.</dd>
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<dt id="x2027690" class="bold">
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<a name="x2027690"></a>JavaScript™</dt>
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<dd>A Web scripting
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language that is used in both browsers and Web servers. (Sun)</dd>
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<dt id="x2027700" class="bold">
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<a name="x2027700"></a>Java transformer</dt>
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<dd>Software that
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converts Java bytecode to 64-bit reduced instruction set computer
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(RISC) machine instructions.</dd>
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<dt id="x2027705" class="bold">
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<a name="x2027705"></a>Java virtual machine (JVM)</dt>
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<dd>A software implementation of a central processing unit that runs compiled Java code (applets and applications).</dd>
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<dt id="x2027715" class="bold">
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<a name="x2027715"></a>JCT</dt>
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<dd>See <a href="rzaatj.htm#x2027866">journal
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control table</a>.</dd>
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<dt id="x2027719" class="bold">
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<a name="x2027719"></a>JDBC</dt>
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<dd>See <a href="rzaatj.htm#x2027655">Java Database Connectivity</a>.</dd>
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<dt id="x2027723" class="bold">
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<a name="x2027723"></a>JDC</dt>
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<dd>See <a href="rzaatj.htm#x2027660">Java Developer Connection</a>.</dd>
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<dt id="x2027727" class="bold">
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<a name="x2027727"></a>JDK</dt>
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<dd>See <a href="rzaatj.htm#x2027665">Java Development Kit</a>.</dd>
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<dt id="x2009355" class="bold">
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<a name="x2009355"></a>JES</dt>
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<dd>See <a href="rzaatj.htm#x2002667">Job
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Entry Subsystem</a>.</dd>
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<dt id="x2027731" class="bold">
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<a name="x2027731"></a>JID</dt>
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<dd>See <a href="rzaatj.htm#x2027881">journal
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identifier</a>.</dd>
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<dt id="x2192124" class="bold">
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<a name="x2192124"></a>JIT compiler</dt>
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<dd>See <a href="rzaatj.htm#x2027924">Just-In-Time compiler</a>.</dd>
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<dt id="x2027735" class="bold">
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<a name="x2027735"></a>jitter</dt>
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<dd>A signal distortion through
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a network that causes packets to arrive out of order or differently than their
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original timing reference.</dd>
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<dt id="x2027740" class="bold">
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<a name="x2027740"></a>JNI</dt>
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<dd>See <a href="rzaatj.htm#x2027680">Java Native Interface</a>.</dd>
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<dt id="x2007884" class="bold">
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<a name="x2007884"></a>job</dt>
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<dd>(1) See <a href="rzaata.htm#x2000181">application
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process</a>.</dd>
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<dd>(2) A separately executable unit of work defined by a
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user, and run by a computer.</dd>
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<dd>(3) In the Integrated Language Environment® (ILE) model, a collection of resources and data that consists of one
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or more activation groups.</dd>
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<dt id="x2027753" class="bold">
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<a name="x2027753"></a>job accounting</dt>
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<dd>A system function
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that collects information about a job's use of system resources and records
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that information in a journal.</dd>
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<dt id="x2027758" class="bold">
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<a name="x2027758"></a>job action</dt>
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<dd>The network attribute
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that controls the handling of a job submitted from remote locations through
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either the SNADS network or RSCS.</dd>
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<dt id="x2027763" class="bold">
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<a name="x2027763"></a>job classification</dt>
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<dd>In performance,
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the process of identifying how jobs that are running on the system are grouped
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into workloads. Files created during this process can be used again to analyze
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data from different intervals.</dd>
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<dt id="x2027768" class="bold">
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<a name="x2027768"></a>job control authority</dt>
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<dd>A special authority
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that allows a user to: change, delete, display, hold, and release all files
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on output queues; hold, release, and clear job queues and output queues; start
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writers to output queues; hold, release, change, and end other users' jobs;
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change the class attributes of a job; end subsystems; and start (do an IPL
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of) the system.</dd>
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<dt id="x2027773" class="bold">
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<a name="x2027773"></a>job date</dt>
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<dd>The date associated with
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a job. The job date usually assumes the system date, but it can be changed
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by the user.</dd>
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<dt id="x2027778" class="bold">
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<a name="x2027778"></a>job description</dt>
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<dd>A system object that
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defines how a job is to be processed. The system-recognized identifier for
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the object type is *JOBD.</dd>
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<dt id="x2002667" class="bold">
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<a name="x2002667"></a>Job Entry Subsystem (JES)</dt>
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<dd>An IBM® licensed
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program that receives jobs into the system and processes all output data that
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is produced by jobs.</dd>
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<dt id="x2027783" class="bold">
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<a name="x2027783"></a>job log</dt>
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<dd>A record of requests submitted
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to the system by a job, the messages related to the requests, and the actions
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performed by the system on the job. The job log is maintained by the system
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program.</dd>
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<dt id="x2027788" class="bold">
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<a name="x2027788"></a>job message queue</dt>
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<dd>A message queue
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that is created for each job. A job message queue receives requests to be
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processed (such as commands) and sends messages that result from processing
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the requests. A job message queue consists of an external message queue and
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a set of program message queues.</dd>
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<dt id="x2027793" class="bold">
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<a name="x2027793"></a>job name</dt>
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<dd>The name of the job as identified
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to the system. For an interactive job, the job is assigned the name of the
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work station at which the job was started; for a batch job, the name is specified
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in the command used to submit the job. See also <a href="rzaatq.htm#x2035550">qualified
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job name</a>.</dd>
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<dt id="x2027798" class="bold">
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<a name="x2027798"></a>job queue</dt>
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<dd>An object that contains
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a list of batch jobs waiting to be processed by the system. The system-recognized
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identifier for the object type is *JOBQ.</dd>
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<dt id="x2027803" class="bold">
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<a name="x2027803"></a>job schedule</dt>
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<dd>An object that contains
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entries for jobs to be submitted at a specified time and date. These job schedule
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entries can also be used to schedule recurring jobs. The system-recognized
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identifier for the object type is *JOBSCD.</dd>
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<dt id="x2027808" class="bold">
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<a name="x2027808"></a>job schedule entry</dt>
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<dd>An entry in the
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job schedule object that describes the job to be submitted. The user can specify
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attributes of the job and when the job will be submitted.</dd>
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<dt id="x2027813" class="bold">
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<a name="x2027813"></a>job schedule function</dt>
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<dd>A function
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of the operating system that allows time-dependent scheduling for batch jobs.</dd>
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<dt id="x2002672" class="bold">
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<a name="x2002672"></a>job scheduler</dt>
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<dd>The IBM licensed program
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that is a job scheduling system designed to allow unattended operations, to
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automate operator functions, and to control report distribution.</dd>
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<dt id="x2002677" class="bold">
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<a name="x2002677"></a>join</dt>
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<dd>(1) An operation that combines data
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from two or more files using specified fields.</dd>
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<dd>(2) An SQL relational
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operation that allows retrieval of data from two or more tables based on matching
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column values.</dd>
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<dd>(3) To become a new member of an entity such as a cluster.</dd>
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<dt id="x2027831" class="bold">
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<a name="x2027831"></a>join field</dt>
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<dd>A comparison field that
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identifies records from two files to be combined into one record.</dd>
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<dt id="x2027836" class="bold">
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<a name="x2027836"></a>join level specification</dt>
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<dd>For a join
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logical file, a data description specification coded between the record and
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field level that defines how to join two physical files.</dd>
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<dt id="x2027841" class="bold">
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<a name="x2027841"></a>join logical file</dt>
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<dd>A logical file
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that combines (in one record format) fields from two or more physical files.</dd>
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<dt id="x2027846" class="bold">
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<a name="x2027846"></a>join test</dt>
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<dd>A condition that determines
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how files and record formats are joined for use in a query.</dd>
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<dt id="x2027851" class="bold">
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<a name="x2027851"></a>journal</dt>
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<dd>A system object that identifies
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the objects being journaled, the current journal receiver, and all the journal
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receivers on the system for the journal. The system-recognized identifier
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for the object type is *JRN.</dd>
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<dt id="x2027856" class="bold">
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<a name="x2027856"></a>journal code</dt>
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<dd>A one-character code
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in a journal entry that identifies the category of the journal entry. For
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example, F identifies an operation on a file; R identifies an operation on
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a record, and so forth.</dd>
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<dt id="x2027861" class="bold">
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<a name="x2027861"></a>journal control</dt>
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<dd>The ability for the CICS® user to write CICS journal records when required by the application for
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auditing purposes.</dd>
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<dt id="x2027866" class="bold">
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<a name="x2027866"></a>journal control table (JCT)</dt>
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<dd>A table
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that contains a description of the CICS user journals along with their access
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characteristics.</dd>
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<dt id="x2027871" class="bold">
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<a name="x2027871"></a>journal entry</dt>
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<dd>A record in a journal
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receiver that contains information about a journaled change or other activity
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that is journaled.</dd>
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<dt id="x2027876" class="bold">
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<a name="x2027876"></a>journal entry type</dt>
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<dd>A two-character
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field in a journal entry that identifies the type of operation of a system-generated
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journal entry or the type of journal entry of a user-generated journal entry;
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for example, PT is the entry type for a write operation.</dd>
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<dt id="x2027881" class="bold">
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<a name="x2027881"></a>journal identifier (JID)</dt>
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<dd>A unique
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identifier that is assigned to a particular object when journaling is started
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for that object. Journal entries are associated with a particular object by
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this JID value.</dd>
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<dt id="x2027886" class="bold">
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<a name="x2027886"></a>journaling</dt>
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<dd>The process of recording,
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in a journal, the changes made to objects, such as physical file members or
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access paths, or the depositing of journal entries by system or user functions.</dd>
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<dt id="x2027896" class="bold">
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<a name="x2027896"></a>JRE</dt>
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<dd>See <a href="rzaatj.htm#x2027685">Java Runtime Environment</a>.</dd>
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<dt id="x2027904" class="bold">
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<a name="x2027904"></a>Julian date</dt>
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<dd>A date format that contains
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the year in positions 1 and 2, and the day in positions 3 through 5. The day
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is represented as 1 through 366, right-adjusted, with zeros in the unused
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high-order positions. For example, the Julian date for April 6, 1987 is 87096.</dd>
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<dt id="x2027909" class="bold">
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<a name="x2027909"></a>jumper</dt>
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<dd>A small piece of plastic-covered
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metal that is used to connect two contacts and complete a circuit.</dd>
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<dt id="x2027919" class="bold">
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<a name="x2027919"></a>justify</dt>
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<dd>To adjust text so that line
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endings are even.</dd>
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<dt id="x2027924" class="bold">
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<a name="x2027924"></a>Just-In-Time compiler (JIT compiler)</dt>
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<dd>In Java, a specific compiler that converts Java bytecodes into specific code at run
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time for better performance.</dd>
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<dt id="x2057548" class="bold">
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<a name="x2057548"></a>JVM</dt>
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<dd>See <a href="rzaatj.htm#x2027705">Java virtual machine</a>.</dd></dl>
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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