173 lines
7.2 KiB
HTML
173 lines
7.2 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<head>
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<title>() (parentheses) \ Language (API) \ Processing 2+</title>
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<link rel="icon" href="/favicon.ico" type="image/x-icon" />
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="Author" content="Processing Foundation" />
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<meta name="Publisher" content="Processing Foundation" />
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<meta name="Keywords" content="Processing, Sketchbook, Programming, Coding, Code, Art, Design" />
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<meta name="Description" content="Processing is a flexible software sketchbook and a language for learning how to code within the context of the visual arts. Since 2001, Processing has promoted software literacy within the visual arts and visual literacy within technology." />
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<meta name="Copyright" content="All contents copyright the Processing Foundation, Ben Fry, Casey Reas, and the MIT Media Laboratory" />
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</head>
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<body id="Langauge-en" onload="" >
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<!-- ==================================== HEADER ============================ -->
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<div id="ribbon">
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<ul class="left">
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<li class="highlight"><a href="http://processing.org/">Processing</a></li>
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<li><a href="http://p5js.org/">p5.js</a></li>
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<li><a href="http://py.processing.org/">Processing.py</a></li>
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<li><a href="http://android.processing.org/">Processing for Android</a></li>
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</ul>
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<li><a href="https://processingfoundation.org/">Processing Foundation</a></li>
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<div id="header">
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<a href="/" title="Back to the Processing cover."><div class="processing-logo no-cover" alt="Processing cover"></div></a>
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<form name="search" method="get" action="//www.google.com/search">
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<p><input type="hidden" name="as_sitesearch" value="processing.org" />
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<input type="text" name="as_q" value="" size="20" class="text" />
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<input type="submit" value=" " /></p>
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<div id="navigation">
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<div class="navBar" id="mainnav">
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<a href="index.html" class='active'>Language</a><br>
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<a href="libraries/index.html" >Libraries</a><br>
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<a href="tools/index.html">Tools</a><br>
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<a href="environment/index.html">Environment</a><br>
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</div>
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<script> document.querySelectorAll(".processing-logo")[0].className = "processing-logo"; </script>
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</div>
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<!-- ==================================== CONTENT - Headers ============================ -->
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<div class="content">
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<p class="ref-notice">This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, <a href="https://github.com/processing/processing-docs/issues?state=open">please let us know</a>. If you prefer a more technical reference, visit the <a href="http://processing.github.io/processing-javadocs/core/">Processing Core Javadoc</a> and <a href="http://processing.github.io/processing-javadocs/libraries/">Libraries Javadoc</a>.</p>
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<table cellpadding="0" cellspacing="0" border="0" class="ref-item">
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<tr class="name-row">
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<th scope="row">Name</th>
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<td><h3>() (parentheses)</h3></td>
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</tr>
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<tr class="">
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<tr class=""><th scope="row">Examples</th><td><div class="example"><pre >
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int a;
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a = (4 + 3) * 2; // Grouping expressions
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if (a > 10) { // Containing expressions
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line(a, 0, a, 100); // Containing a list of parameters
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}
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</pre></div>
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</td></tr>
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<tr class="">
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<th scope="row">Description</th>
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<td>
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Grouping and containing expressions and parameters. Parentheses have multiple functions relating to functions and structures. They are used to contain a list of parameters passed to functions and control structures and they are used to group expressions to control the order of execution. Some functions have no parameters and in this case, the space between parentheses is blank.
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</td>
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</tr>
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<tr class=""><th scope="row">Syntax</th><td><pre>
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function()
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function(p1, ..., pN)
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structure(expression)
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</pre></td></tr>
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<tr class=""> <th scope="row">Parameters</th><td><table cellpadding="0" cellspacing="0" border="0"><tr class="">
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<th scope="row" class="code">function</th>
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<td>any function</td>
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</tr>
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<tr class="">
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<th scope="row" class="code">p1, ..., pN</th>
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<td>list of parameters specific to the function</td>
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</tr>
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<tr class="">
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<th scope="row" class="code">structure</th>
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<td>Control structure such as if, for, while</td>
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</tr>
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<tr class="">
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<th scope="row" class="code">expressions</th>
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<td>any valid expression or group of expression</td>
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</tr></table></td> </tr>
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<tr class=""><th scope="row">Related</th><td><a class="code" href="comma.html">, (comma)</a><br /></td></tr>
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</table>
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Updated on April 30, 2017 02:33:22pm EDT<br /><br />
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<div id="copyright">Processing is an open project intiated by <a href="http://benfry.com/">Ben Fry</a> and <a href="http://reas.com">Casey Reas</a>. It is developed by a <a href="http://processing.org/about/people/">team of volunteers</a>.</div>
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