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1 2 | <html><head><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Parenthetical Expressions</title><link href="../docbook.css" type="text/css" rel="stylesheet"><meta content="DocBook XSL Stylesheets V1.78.1" name="generator"><link rel="home" href="index.html" title="OGNL Language Guide"><link rel="up" href="basicExpressions.html" title="Chapter 4. Expressions"><link rel="prev" href="varref.html" title="Variable References"><link rel="next" href="chainedSubexpressions.html" title="Chained Subexpressions"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table summary="Navigation header" width="100%"><tr><th align="center" colspan="3">Parenthetical Expressions</th></tr><tr><td align="left" width="20%"><a accesskey="p" href="varref.html"><img src="../images/navigation/prev.gif" alt="Prev"></a> </td><th align="center" width="60%">Chapter 4. Expressions</th><td align="right" width="20%"> <a accesskey="n" href="chainedSubexpressions.html"><img src="../images/navigation/next.gif" alt="Next"></a></td></tr></table><hr></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="paren"></a>Parenthetical Expressions</h2></div></div></div><p>As you would expect, an expression enclosed in parentheses is evaluated as a unit, separately from any surrounding operators. This can be used to force an evaluation order different from the one that would be implied by
<acronym class="acronym">OGNL</acronym> operator precedences. It is also the only way to use the comma operator in a method argument.</p></div><div class="navfooter"><hr><table summary="Navigation footer" width="100%"><tr><td align="left" width="40%"><a accesskey="p" href="varref.html"><img src="../images/navigation/prev.gif" alt="Prev"></a> </td><td align="center" width="20%"><a accesskey="u" href="basicExpressions.html"><img src="../images/navigation/up.gif" alt="Up"></a></td><td align="right" width="40%"> <a accesskey="n" href="chainedSubexpressions.html"><img src="../images/navigation/next.gif" alt="Next"></a></td></tr><tr><td valign="top" align="left" width="40%">Variable References </td><td align="center" width="20%"><a accesskey="h" href="index.html"><img src="../images/navigation/home.gif" alt="Home"></a></td><td valign="top" align="right" width="40%"> Chained Subexpressions</td></tr></table></div></body></html>
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