http://wiki.karljones.com/index.php?action=history&feed=atom&title=Global_variable 2026-10-23T13:29:42Z Revision history for this page on the wiki MediaWiki 1.24.2 http://wiki.karljones.com/index.php?title=Global_variable&diff=17313&oldid=prev 2016-08-26T21:28:18Z

<p>‎<span dir="auto"><span class="autocomment">See also</span></span></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 21:28, 26 August 2016</td> </tr><tr><td colspan="2" class="diff-lineno">Line 13:</td> <td colspan="2" class="diff-lineno">Line 13:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== See also ==</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== See also ==</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* [[<del class="diffchange diffchange-inline">Variables</del>]]</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* [[<ins class="diffchange diffchange-inline">Variable (computer science)</ins>]]</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>** [[Static variable]]</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>** [[Static variable]]</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>** [[External variable]]</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>** [[External variable]]</div></td></tr> </table>

Karl Jones http://wiki.karljones.com/index.php?title=Global_variable&diff=17312&oldid=prev 2016-08-26T21:21:40Z

<p>Created page with &quot;In <a href="/index.php/Computer_programming" title="Computer programming">computer programming</a>, a &#039;&#039;&#039;global variable&#039;&#039;&#039; is a <a href="/index.php/Variable_(computer_science)" title="Variable (computer science)">variable</a> with global scope, meaning that it is visible (hence accessible) throughout...&quot;</p> <p><b>New page</b></p><div>In [[computer programming]], a '''global variable''' is a [[Variable (computer science)|variable]] with global scope, meaning that it is visible (hence accessible) throughout the program, unless shadowed.<br /> <br /> == Description ==<br /> <br /> The set of all global variables is known as the global environment or global state.<br /> <br /> In compiled languages, global variables are generally [[Static variable|static variables]], whose extent (lifetime) is the entire runtime of the program, though in interpreted languages (including [[Command-line interpreter|command-line interpreters]]), global variables are generally dynamically allocated when declared, since they are not known ahead of time.<br /> <br /> In some languages, all variables are global, or global by default, while in most modern languages variables have limited scope, generally lexical scope, though global variables are often available by declaring a variable at the top level of the program.<br /> <br /> In other languages, however, global variables do not exist; these are generally [[modular programming]] languages that enforce a module structure, or class-based [[object-oriented programming]] languages that enforce a class structure.<br /> <br /> == See also ==<br /> <br /> * [[Variables]]<br /> ** [[Static variable]]<br /> ** [[External variable]]<br /> * [[Singleton pattern]]<br /> * [[Local variable]]<br /> * [[Non-local variable]]<br /> <br /> == External links ==<br /> <br /> * [https://en.wikipedia.org/wiki/Global_variable Global variable] @ Wikipedia<br /> <br /> <br /> [[Category:Computer programming]]<br /> [[Category:Computing]]</div>

Karl Jones