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<h1>Whitespace</h1>
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<li><b> <a href="./config_whitespace.html"> Whitespace</a>
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<li><a href="#EmptyForInitializerPad"> EmptyForInitializerPad</a></li>
<li><a href="#EmptyForIteratorPad"> EmptyForIteratorPad</a></li>
<li><a href="#MethodParamPad"> MethodParamPad</a></li>
<li><a href="#NoWhitespaceAfter"> NoWhitespaceAfter</a></li>
<li><a href="#NoWhitespaceBefore"> NoWhitespaceBefore</a></li>
<li><a href="#OperatorWrap"> OperatorWrap</a></li>
<li><a href="#ParenPad"> ParenPad</a></li>
<li><a href="#TypecastParenPad"> TypecastParenPad</a></li>
<li><a href="#TabCharacter"> TabCharacter</a></li>
<li><a href="#WhitespaceAfter"> WhitespaceAfter</a></li>
<li><a href="#WhitespaceAround"> WhitespaceAround</a></li>
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<div class="csMain">
<a id="EmptyForInitializerPad"></a>
<h2>EmptyForInitializerPad</h2>
<h3>Description</h3>
<p>
Checks the padding of an empty for initializer; that is whether
white space is required at an empty for initializer, or such white
space is forbidden. No check occurs if there is a line wrap at the
initializer, as in
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>for (
; i < j; i++, j--)</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
option
</td>
<td class="odd"
>
policy on how to pad an empty for iterator
</td>
<td class="odd"
>
</td>
<td class="odd"
>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="EmptyForInitializerPad"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check to require white space at an empty for
iterator:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="EmptyForInitializerPad">
<property name="option" value="space"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="EmptyForIteratorPad"></a>
<h2>EmptyForIteratorPad</h2>
<h3>Description</h3>
<p>
Checks the padding of an empty for iterator; that is whether white
space is required at an empty for iterator, or such white space is
forbidden. No check occurs if there is a line wrap at the iterator,
as in
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>for (Iterator foo = very.long.line.iterator();
foo.hasNext();
)</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
option
</td>
<td class="odd"
>
policy on how to pad an empty for iterator
</td>
<td class="odd"
>
</td>
<td class="odd"
>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="EmptyForIteratorPad"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check to require white space at an empty for
iterator:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="EmptyForIteratorPad">
<property name="option" value="space"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="MethodParamPad"></a>
<h2>MethodParamPad</h2>
<h3>Description</h3>
<p>
Checks the padding between the identifier of a method definition,
constructor definition, method call, or constructor invocation; and
the left parenthesis of the parameter list. That is, if the
identifier and left parenthesis are on the same line, checks whether
a space is required immediately after the identifier or such a space
is forbidden. If they are not on the same line, reports an error,
unless configured to allow line breaks. To allow linebreaks after
the identifier, set property <span class="code">allowLineBreaks</span> to <span class="code">
true</span>.
</p>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
allowLineBreaks
</td>
<td class="odd"
>
whether a line break between the identifier and left parenthesis
is allowed
</td>
<td class="odd"
>
</td>
<td class="odd"
>
</td>
</tr>
<tr class="even">
<td class="even"
>
tokens
</td>
<td class="even"
>
tokens to check
</td>
<td class="even"
>
subset of tokens <a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#CTOR_DEF">CTOR_DEF</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_NEW">LITERAL_NEW</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#METHOD_CALL">METHOD_CALL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#METHOD_DEF">METHOD_DEF</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SUPER_CTOR_CALL">SUPER_CTOR_CALL</a>
</td>
<td class="even"
>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#CTOR_DEF">CTOR_DEF</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_NEW">LITERAL_NEW</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#METHOD_CALL">METHOD_CALL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#METHOD_DEF">METHOD_DEF</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SUPER_CTOR_CALL">SUPER_CTOR_CALL</a>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="MethodParamPad"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check to require a space after the identifier of a
method definition, except if the left parenthesis occurs on a new
line:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="MethodParamPad">
<property name="tokens" value="METHOD_DEF"/>
<property name="option" value="space"/>
<property name="allowLineBreaks" value="true"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="NoWhitespaceAfter"></a>
<h2>NoWhitespaceAfter</h2>
<h3>Description</h3>
<p>
Checks that there is no whitespace after a token. More specifically,
it checks that it is not followed by whitespace, or (if linebreaks
are allowed) all characters on the line after are whitespace. To
forbid linebreaks after a token, set property <span class="code">allowLineBreaks</span> to <span class="code">
false</span>.
</p>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
allowLineBreaks
</td>
<td class="odd"
>
whether whitespace is allowed if the token is at a linebreak
</td>
<td class="odd"
>
</td>
<td class="odd"
>
</td>
</tr>
<tr class="even">
<td class="even"
>
tokens
</td>
<td class="even"
>
tokens to check
</td>
<td class="even"
>
subset of tokens <a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#ARRAY_INIT">ARRAY_INIT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BNOT">BNOT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DEC">DEC</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DOT">DOT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#INC">INC</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LNOT">LNOT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#UNARY_MINUS">UNARY_MINUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#UNARY_PLUS">UNARY_PLUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#TYPECAST">TYPECAST</a>
</td>
<td class="even"
>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#ARRAY_INIT">ARRAY_INIT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BNOT">BNOT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DEC">DEC</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DOT">DOT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#INC">INC</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LNOT">LNOT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#UNARY_MINUS">UNARY_MINUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#UNARY_PLUS">UNARY_PLUS</a>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="NoWhitespaceAfter"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check to forbid linebreaks after a DOT token:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="NoWhitespaceAfter">
<property name="tokens" value="DOT"/>
<property name="allowLineBreaks" value="false"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="NoWhitespaceBefore"></a>
<h2>NoWhitespaceBefore</h2>
<h3>Description</h3>
<p>
Checks that there is no whitespace before a token. More
specifically, it checks that it is not preceded with whitespace, or
(if linebreaks are allowed) all characters on the line before are
whitespace. To allow linebreaks before a token, set property <span class="code">allowLineBreaks</span> to <span class="code">
true</span>.
</p>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
allowLineBreaks
</td>
<td class="odd"
>
whether whitespace is allowed if the token is at a linebreak
</td>
<td class="odd"
>
</td>
<td class="odd"
>
</td>
</tr>
<tr class="even">
<td class="even"
>
tokens
</td>
<td class="even"
>
tokens to check
</td>
<td class="even"
>
subset of tokens <a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SEMI">SEMI</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DOT">DOT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#POST_DEC">POST_DEC</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#POST_INC">POST_INC</a>
</td>
<td class="even"
>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SEMI">SEMI</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#POST_DEC">POST_DEC</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#POST_INC">POST_INC</a>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="NoWhitespaceBefore"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check to allow linebreaks before a DOT token:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="NoWhitespaceBefore">
<property name="tokens" value="DOT"/>
<property name="allowLineBreaks" value="true"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="OperatorWrap"></a>
<h2>OperatorWrap</h2>
<h3>Description</h3>
<p>
Checks the policy on how to wrap lines on operators.
</p>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
option
</td>
<td class="odd"
>
policy on how to wrap lines
</td>
<td class="odd"
>
<a href="property_types.html#wrapOp">wrap operator policy</a>
</td>
<td class="odd"
>
</td>
</tr>
<tr class="even">
<td class="even"
>
tokens
</td>
<td class="even"
>
tokens to check
</td>
<td class="even"
>
subset of tokens <a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#ASSIGN">ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BAND">BAND</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BAND_ASSIGN">BAND_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BOR">BOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BOR_ASSIGN">BOR_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BSR">BSR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BSR_ASSIGN">BSR_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BXOR">BXOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BXOR_ASSIGN">BXOR_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#COLON">COLON</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DIV">DIV</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DIV_ASSIGN">DIV_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#EQUAL">EQUAL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#GE">GE</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#GT">GT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LAND">LAND</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LE">LE</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_INSTANCEOF">LITERAL_INSTANCEOF</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LOR">LOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LT">LT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MINUS">MINUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MINUS_ASSIGN">MINUS_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MOD">MOD</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MOD_ASSIGN">MOD_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#NOT_EQUAL">NOT_EQUAL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#PLUS">PLUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#PLUS_ASSIGN">PLUS_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#QUESTION">QUESTION</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SL">SL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SL_ASSIGN">SL_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SR">SR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SR_ASSIGN">SR_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#STAR">STAR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#STAR_ASSIGN">STAR_ASSIGN</a>
</td>
<td class="even"
>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BAND">BAND</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BOR">BOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BSR">BSR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BXOR">BXOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#COLON">COLON</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DIV">DIV</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#EQUAL">EQUAL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#GE">GE</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#GT">GT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LAND">LAND</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LE">LE</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_INSTANCEOF">LITERAL_INSTANCEOF</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LOR">LOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LT">LT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MINUS">MINUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MOD">MOD</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#NOT_EQUAL">NOT_EQUAL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#PLUS">PLUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#QUESTION">QUESTION</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SL">SL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SR">SR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#STAR">STAR</a>
(all tokens except assignment operators)
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="OperatorWrap"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check for the assignment operator, <span class="code">=</span>, at the end of a line:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="OperatorWrap">
<property name="tokens" value="ASSIGN"/>
<property name="option" value="eol"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="ParenPad"></a>
<h2>ParenPad</h2>
<h3>Description</h3>
<p>
Checks the policy on the padding of parentheses; i.e. whether a
space is required after a left parenthesis and before a right
parenthesis, or such spaces are forbidden.
</p>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
option
</td>
<td class="odd"
>
policy on how to pad parentheses
</td>
<td class="odd"
>
</td>
<td class="odd"
>
</td>
</tr>
<tr class="even">
<td class="even"
>
tokens
</td>
<td class="even"
>
tokens to check
</td>
<td class="even"
>
subset of tokens <a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#CTOR_CALL">CTOR_CALL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LPAREN">LPAREN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#METHOD_CALL">METHOD_CALL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#RPAREN">RPAREN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SUPER_CTOR_CALL">SUPER_CTOR_CALL</a>
</td>
<td class="even"
>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#CTOR_CALL">CTOR_CALL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LPAREN">LPAREN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#METHOD_CALL">METHOD_CALL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#RPAREN">RPAREN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SUPER_CTOR_CALL">SUPER_CTOR_CALL</a>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="ParenPad"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check to require spaces for the parentheses of
constructor, method, and super constructor calls:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="ParenPad">
<property name="tokens" value="CTOR_CALL, METHOD_CALL,
SUPER_CTOR_CALL"/>
<property name="option" value="space"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="TypecastParenPad"></a>
<h2>TypecastParenPad</h2>
<h3>Description</h3>
<p>
Checks the policy on the padding of parentheses for typecasts. That
is, whether a space is required after a left parenthesis and before
a right parenthesis, or such spaces are forbidden.
</p>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
option
</td>
<td class="odd"
>
policy on how to pad parentheses
</td>
<td class="odd"
>
</td>
<td class="odd"
>
</td>
</tr>
<tr class="even">
<td class="even"
>
tokens
</td>
<td class="even"
>
tokens to check
</td>
<td class="even"
>
Must have tokens
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#TYPECAST">TYPECAST</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#RPAREN">RPAREN</a>
</td>
<td class="even"
>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#TYPECAST">TYPECAST</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#RPAREN">RPAREN</a>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="TypecastParenPad"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check to require spaces:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="TypecastParenPad">
<property name="option" value="space"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="TabCharacter"></a>
<h2>TabCharacter</h2>
<h3>Description</h3>
<p>
Checks that there are no tab characters (<span class="code">'\t'</span>) in the source code.
</p>
<p>
Rationale:
</p>
<ul>
<li>
Developers should not need to configure the tab width of their
text editors in order to be able to read source code.
</li>
<li>
From the Apache jakarta coding standards: In a distributed
development environment, when the cvs commit messages get sent to
a mailing list, they are almost impossible to read if you use
tabs.
</li>
</ul>
<h3>Example</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="TabCharacter"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="WhitespaceAfter"></a>
<h2>WhitespaceAfter</h2>
<h3>Description</h3>
<p>
Checks that a token is followed by whitespace.
</p>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
tokens
</td>
<td class="odd"
>
tokens to check
</td>
<td class="odd"
>
subset of tokens <a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#COMMA">COMMA</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SEMI">SEMI</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#TYPECAST">TYPECAST</a>
</td>
<td class="odd"
>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#COMMA">COMMA</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SEMI">SEMI</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#TYPECAST">TYPECAST</a>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="WhitespaceAfter"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check for whitespace only after COMMA and SEMI
tokens:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="WhitespaceAfter">
<property name="tokens" value="COMMA, SEMI"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
<a id="WhitespaceAround"></a>
<h2>WhitespaceAround</h2>
<h3>Description</h3>
<p>
Checks that a token is surrounded by whitespace. Empty constructor and
method bodies (blocks) of the form
</p>
<p>
<pre>public MyClass() {} // empty constructor
public void func() {} // empty method</pre>
</p>
<p>
may optionally be exempted from the policy using the <span class="code">
allowEmptyMethods</span> and <span class="code">allowEmptyConstructors
</span> properties.
</p>
<h3>Properties</h3>
<table>
<tr class="even">
<th valign="top" align="left"
>
name
</th>
<th valign="top" align="left"
>
description
</th>
<th valign="top" align="left"
>
type
</th>
<th valign="top" align="left"
>
default value
</th>
</tr>
<tr class="odd">
<td class="odd"
>
tokens
</td>
<td class="odd"
>
tokens to check
</td>
<td class="odd"
>
subset of tokens <a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#ASSIGN">ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BAND">BAND</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BAND_ASSIGN">BAND_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BOR">BOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BOR_ASSIGN">BOR_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BSR">BSR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BSR_ASSIGN">BSR_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BXOR">BXOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#BXOR_ASSIGN">BXOR_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#COLON">COLON</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DIV">DIV</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#DIV_ASSIGN">DIV_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#EQUAL">EQUAL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#GE">GE</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#GT">GT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LAND">LAND</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LCURLY">LCURLY</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LE">LE</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_ASSERT">LITERAL_ASSERT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_CATCH">LITERAL_CATCH</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_DO">LITERAL_DO</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_ELSE">LITERAL_ELSE</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_FINALLY">LITERAL_FINALLY</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_FOR">LITERAL_FOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_IF">LITERAL_IF</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_RETURN">LITERAL_RETURN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_SYNCHRONIZED">LITERAL_SYNCHRONIZED</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_TRY">LITERAL_TRY</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LITERAL_WHILE">LITERAL_WHILE</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LOR">LOR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#LT">LT</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MINUS">MINUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MINUS_ASSIGN">MINUS_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MOD">MOD</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#MOD_ASSIGN">MOD_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#NOT_EQUAL">NOT_EQUAL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#PLUS">PLUS</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#PLUS_ASSIGN">PLUS_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#QUESTION">QUESTION</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#RCURLY">RCURLY</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SL">SL</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SLIST">SLIST</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SL_ASSIGN">SL_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SR">SR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#SR_ASSIGN">SR_ASSIGN</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#STAR">STAR</a>,
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#STAR_ASSIGN">STAR_ASSIGN</a>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#GENERIC_START">GENERIC_START</a>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#GENERIC_END">GENERIC_END</a>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#TYPE_EXTENSION">AND TYPE_EXTENSION_AND</a>
<a href="api/com/puppycrawl/tools/checkstyle/api/TokenTypes.html#WILDCARD_TYPE">WILDCARD_TYPE</a>
</td>
<td class="odd"
>
all tokens
</td>
</tr>
<tr class="even">
<td class="even"
>
allowEmptyConstructors
</td>
<td class="even"
>
allow empty constructor bodies
</td>
<td class="even"
>
</td>
<td class="even"
>
</td>
</tr>
<tr class="odd">
<td class="odd"
>
allowEmptyMethods
</td>
<td class="odd"
>
allow empty method bodies
</td>
<td class="odd"
>
</td>
<td class="odd"
>
</td>
</tr>
</table>
<h3>Examples</h3>
<p>
To configure the check:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="WhitespaceAround"/></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>
To configure the check for whitespace around the assignment
operator, <span class="code">=</span>:
</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre><module name="WhitespaceAround">
<property name="tokens" value="ASSIGN"/>
</module></pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3>Package</h3>
<p>
com.puppycrawl.tools.checkstyle.checks.whitespace
</p>
<h3>Parent Module</h3>
<p>
<a href="config.html#treewalker">TreeWalker</a>
</p>
</div>
</div>
<div class="csBottomBar">
<div class="csBottomBarContents">
Copyright © 2001-2007, Oliver Burn
</div>
</div>
</body>
</html>
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