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<!DOCTYPE html>
<!--
| Generated by Apache Maven Doxia Site Renderer 2.0.0 from src/site/xdoc/releasenotes_old_1-0_5-9.xml at 2025-04-02
| Rendered using Apache Maven Fluido Skin 2.0.1
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<li id="publishDate" class="pull-right"><span class="divider">|</span> Last Published: 2025-04-02</li>
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<section><a id="Release_5.9"></a>
<h1>Release 5.9</h1>
<p>New features:</p>
<ul>
<li>
Support of Java8 syntax. Author: Ilja Dubinin. <a href="https://github.com/checkstyle/checkstyle/issues/10" class="externalLink">#10</a>
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
Enormous update on Indentation Check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/294" class="externalLink">#294</a>
</li>
<li>
Fixed IllegalInstantiationCheck, so it won't recognize a constructor reference (Java8)
as instantiation. Author: Ryszard Wisniewski.
</li>
<li>
Since Java 8 we can have methods body in interfaces. Author: Ilja Dubinin. <a href="https://github.com/checkstyle/checkstyle/issues/282" class="externalLink">#282</a>
</li>
<li>
Default modifier has been added to modifier list. Author: Ilja Dubinin. <a href="https://github.com/checkstyle/checkstyle/issues/284" class="externalLink">#284</a>
</li>
<li>
Fixed bug in DefaultComesLast check. Now it supports java 8 default methods. Author: Ilja Dubinin. <a href="https://github.com/checkstyle/checkstyle/issues/297" class="externalLink">#297</a>
</li>
<li>
Fixed IndexOutOfBoundsException in CustomImportOrderCheck. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/296" class="externalLink">#296</a>
</li>
</ul>
<p>Notes:</p>
<ul>
<li>
Correct OverloadMethodsDeclarationOrder name in documentation. Author: Andrew Gaul.
</li>
</ul>
</section>
<section><a id="Release_5.8"></a>
<h1>Release 5.8</h1>
<p>New features:</p>
<ul>
<li>
Google Java Style <a href="google_style.html">xml configuration</a> was added. Author: Max Vetrenko.
</li>
<li>
New: AbbreviationAsWordInName check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/212" class="externalLink">#212</a>
</li>
<li>
Added enum processing to TypeNameCheck. Author: Pavel Baranchikov
</li>
<li>
Added method to clear cache to LocalizedMessage. Author: Joni Salmi. <a href="https://github.com/checkstyle/checkstyle/pull/156" class="externalLink">#156</a>
</li>
<li>
New: AvoidEscapedUnicodeCharacters check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/194" class="externalLink">#194</a>
</li>
<li>
New: CustomImportOrder check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/194" class="externalLink">#194</a>
</li>
<li>
New: EmptyLineSeparator check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/186" class="externalLink">#186</a>
</li>
<li> Enable array initialization indentation settings. Author: Vaclav Chalupa. </li>
<li> Enhance WhitespaceAroundCheck to ignore Annotation Array Initialization curlies as it
does for Array Initialization outside of annotations. Author: Jacob Tomaw </li>
<li>
ignore option to the JavadocVariable check. Author: Yuriy Chulovskyy. <a href="https://github.com/checkstyle/checkstyle/issues/98" class="externalLink">#98</a>
</li>
<li>
New: InterfaceTypeParameterName check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/202" class="externalLink">#202</a>
</li>
<li>
New grammar rule was added only for catch types. IllegalCatchCheck has been
extended to use catch with few exception types..
Author: Ilja Dubinin <a href="https://github.com/checkstyle/checkstyle/issues/165" class="externalLink">#165</a>
</li>
<li>
LocalVariableName. Allowed one char variables in initialization expressions in FOR loop. Author: Max Vetrenko <a href="https://github.com/checkstyle/checkstyle/issues/192" class="externalLink">#192</a>
</li>
<li>
New: NoLineWrap check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/173" class="externalLink">#173</a>
</li>
<li>
New: OneTopLevelClass check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/172" class="externalLink">#173</a>
</li>
<li>
New: OverloadMethodsDeclarationOrder check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/pull/32" class="externalLink">#32</a>
</li>
<li>
New option to allow no empty line between fields at EmptyLineSeparatorCheck check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/227" class="externalLink">#227</a>
</li>
<li>
New option to allow that force overload methods are grouped together at DeclarationOrder check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/pull/163" class="externalLink">#163</a>
</li>
<li>
New option to allow empty classes, enums and interfaces, empty loops are allowed at WhitespaceAround check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/pull/163" class="externalLink">#163</a>
</li>
<li>
New: VariableDeclarationUsageDistance check. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/223" class="externalLink">#223</a>
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
Update for EmptyBlock to allow empty loops. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/190" class="externalLink">#190</a>
</li>
<li>
EmptyLineSeparatorCheck was updated to validate empty line after header. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/218" class="externalLink">#218</a>
</li>
<li>
LeftCurly Check was updated to force line break. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/247" class="externalLink">#247</a>
</li>
<li>
update for OuterTypeFilename Check to check top level type are the public type or the first type in file if public is missed. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/248" class="externalLink">#248</a>
</li>
<li>
update for RightCurly Check, new option to check line break after the closing brace if that brace terminates a statement or the body of a method, constructor or named class. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/182" class="externalLink">#182</a>
</li>
<li>
Added test and fix for the case if there is a semicolon between import statements.
Author: Ryszard Wisniewski
</li>
<li>
Adding ANNOTATION_DEF to the valid list of parentASTs for the SuppressWarningsHolder.
Without this, any @SuppressWarnings (checkstyle or not) present on an annotation
definition class will fail. Author: Dominic Jones
</li>
<li>
Adding u HTML tag to list of allowed tags in JavaDoc. Author: Ilja Gubins. <a href="https://github.com/checkstyle/checkstyle/issues/58" class="externalLink">#58</a>
</li>
<li>
update for WhitespaceAround. Allowed empty anonymous classes. Was updated allowEmptyTypes property. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/197" class="externalLink">#197</a>
</li>
<li>
Fixed AbstractTypeAwareCheck for generics in interfaces. Author: Tobias Baum. <a href="https://github.com/checkstyle/checkstyle/pull/177" class="externalLink">#177</a>
</li>
<li>
Fixed RightCurlyCheck for empty methods. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/213" class="externalLink">#213</a>
</li>
<li>
Fixed WhitespaceAroundCheck. fix for anonymous inner class. Author: Yuriy Chulovskyy. <a href="https://github.com/checkstyle/checkstyle/issues/213" class="externalLink">#105</a>
</li>
<li>
Fixed RedundantModifier. Abstract Interface Should not be Allowed.
. Author: Yuriy Chulovskyy. <a href="https://github.com/checkstyle/checkstyle/pull/209" class="externalLink">#209</a>
</li>
<li>
Fixed EmptyBlock. need to handle switch block.
. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/235" class="externalLink">#235</a>
</li>
<li>
Fixed WhitespaceAround. Fix false positive with ANNOTATION_DEF.
. Author: Max Vetrenko. <a href="https://github.com/checkstyle/checkstyle/issues/237" class="externalLink">#237</a>
</li>
<li>
Fixed GenericWhitespace. Fix false positive with Array.
. Author: Inav Sopov. <a href="https://github.com/checkstyle/checkstyle/issues/47" class="externalLink">#47</a>
</li>
<li>
Fixed JavadocStyleCheck. HTML comments break the Javadoc style HTML check.
. Author: theqaguy. <a href="https://github.com/checkstyle/checkstyle/issues/119" class="externalLink">#119</a>
</li>
<li>
Fixed Java grammar. Now it can parse 'return (byte[].class);'
. Author: Ilja Dubinin. <a href="https://github.com/checkstyle/checkstyle/issues/130" class="externalLink">#130</a>
</li>
<li>
Exception thrown when parsing numeric constant "3.14_15F".
. Author: Yuriy Chulovskyy<a href="https://github.com/checkstyle/checkstyle/issues/134" class="externalLink">#134</a>
</li>
<li>
RequireThis triggers for static interface fields Fixed.
. Author: Sergiu Dumitriu <a href="https://github.com/checkstyle/checkstyle/issues/155" class="externalLink">#155</a>
</li>
<li>
Javadoc in GenericWhitespaceCheck was updated.
. Author: Max Vetrenko <a href="https://github.com/checkstyle/checkstyle/issues/254" class="externalLink">#254</a>
</li>
<li>
MemberNameCheck should not validate interface constants, that's ConstantNameCheck's role.
Author: Sergiu Dumitriu
</li>
<li>
RightCurly. Force line break before '}' in case SAME option.
. Author: Max Vetrenko <a href="https://github.com/checkstyle/checkstyle/issues/250" class="externalLink">#250</a>
</li>
<li>
SeparatorWrapCheck. Covers separators like ',', '.' .
. Author: Max Vetrenko <a href="https://github.com/checkstyle/checkstyle/issues/179" class="externalLink">#179</a>
</li>
<li>
Support annotations in TypeNameCheck. Author: Thomas Jensen
</li>
<li>
Update UnusedImportsCheck to correctly detect classes in parameters and
inline tags nested within block tags. fixing checkstyle issues Fixing even
more checkstyle issues. Author: James Gorman
</li>
<li>
Use a thread-safe map implementation to keep the compiled patterns.
Author: Christoph Kutzinski
</li>
<li>
WhitespaceAround with allowEmptyMethods complains on annotation's empty method
. Author: Max Vetrenko <a href="https://github.com/checkstyle/checkstyle/issues/21" class="externalLink">#21</a>
</li>
</ul>
<p>Notes:</p>
<ul>
<li>
dsm-maven-plugin is used to show dsm/index.html dependency structure of project on site.
Author: Ilja Dubinin.
</li>
<li>
Added and updated documentation/messages for number of Checks. Authors: Max Vetrenko,
Thomas Jensen, Yuriy Chulovskyy, Jarmo Isotalo, Peter O, Ryszard Wisniewski, Ilja Gubins,
Baratali Izmailov, Jan Schafer, Niklas Walter, Andrew Gaul.
</li>
<li>
Moving to standard directory layout. Author: Ivan Sopov.
</li>
</ul>
</section>
<section><a id="Release_5.7"></a>
<h1>Release 5.7</h1>
<p>New features:</p>
<ul>
<li>
Support
<a href="filters/suppresswarningsfilter.html#SuppressWarningsFilter">SuppressWarningsFilter</a>
to use <code>@SuppressWarnings</code> annotations to suppress
violations. Thanks to Trevor Robinson for patch #156.
</li>
<li>
New: UniqueProperties check. Thanks to Pavel Baranchikov. <a href="https://github.com/checkstyle/checkstyle/pull/19" class="externalLink">#19</a>
</li>
<li>
Support for '&' in nested generics. Thanks to <a href="https://github.com/dkomanov" class="externalLink">dkomanov</a>.
</li>
<li>
Allow HeaderCheck definition to be specified as URL. Thanks to
tnarake.
</li>
<li>
Allow additional URL schemes for SuppressionFilter
configuration. Thanks to tnarake.
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
added support for a separate throws indentation configuration
</li>
<li>
SuppressionCommentFilter ignores messageFormat. Patch from Chris Brigham.
</li>
<li>
Exclude some java.util classes from Class Fan out. Thanks to Ivan Sopov and Vincent Massol.<a href="https://github.com/checkstyle/checkstyle/issues/31" class="externalLink">#31</a>
</li>
<li>
Allow to ignore java.lang and certain other classes. Thanks to Ivan Sopov and Vincent Massol.<a href="https://github.com/checkstyle/checkstyle/issues/33" class="externalLink">#33</a>
</li>
<li>
RequireThisCheck doesn't check methods. Thanks to krzyk.<a href="https://github.com/checkstyle/checkstyle/issues/41" class="externalLink">#41</a>
</li>
<li>
Document WhitespaceAround for-each property. Thanks to Andrew Gaul.<a href="https://github.com/checkstyle/checkstyle/pull/15" class="externalLink">#15</a>
</li>
<li>
Other corrections for typos. Thanks to Andrew Gaul.<a href="https://github.com/checkstyle/checkstyle/pull/16" class="externalLink">#16</a>
</li>
<li>
Remnants of DoubleCheckedLocking were removed. Thanks to Antonio Ospite.
</li>
</ul>
<p>Notes:</p>
<ul>
<li>
Improved the performance of FileText construction, which
increased file loading times by up to 30%.
</li>
<li>
Upgraded dependencies to guava-jdk5 14.0.1 and JUnit 4.11.
</li>
<li>
partial fix for "Sonarqube found problems in Checkstyle" <a href="https://github.com/checkstyle/checkstyle/issues/46" class="externalLink">#46</a>.
</li>
<li>
Remnants of DoubleCheckedLocking were removed. Thanks to
Antonio Ospite.
</li>
</ul>
</section>
<section><a id="Release_5.6"></a>
<h1>Release 5.6</h1>
<p>New features:</p>
<ul>
<li>
<a href="filters/suppressionfilter.html#SuppressionFilter">SuppressionFilter</a>
now supports loading a configuration from a URL
reference. Thanks to Stephen for patch #3485185.
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
Fixed bug in the grammar for an edge case (bug
#1667137). Thanks to Lukas Platinsky for patch #3393810.
</li>
<li>
<a href="checks/coding/declarationorder.html#DeclarationOrder">DeclarationOrder</a>
handles ignoreModifiers correctly (all fields should be before
ctors and methods)(bug #3429775)
</li>
<li>
<a href="checks/coding/innerassignment.html#InnerAssignment">Inner assignment</a>
is now allowed in try-with-resources (bug #3441097)
</li>
<li>
Fixed bug in the grammar when builtin types are used in a
generic declaration (bug #3553541).
</li>
</ul>
<p>Notes:</p>
<ul>
<li>
Removed the <code>DoubleCheckedLocking</code> check, as in Java 5
(and beyond), using the <code>volatile</code> keyword addresses
the issue. See
<a href="http://jeremymanson.blogspot.com/2008/05/double-checked-locking.html" class="externalLink">here</a>
for more details.
</li>
<li>
Added Turkish message translations. Thanks to poyrazus
for patch #3460908.
</li>
</ul>
</section>
<section><a id="Release_5.5"></a>
<h1>Release 5.5</h1>
<p>New features:</p>
<ul>
<li>
Added Java 7 support to the grammar. Thanks to Dinesh
Bolkensteyn for patch #3403265.
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
Fix parsing error <code>unexpected char: 0xFFFF</code> which was
triggered when a comment line is on a line without newline character.
Thanks to Evgeny Mandrikov for patch #3367782.
</li>
<li>
Fixed <a href="checks/imports/unusedimports.html#UnusedImports">UnusedImports</a>
to consider @linkplain, @throws and @exception tags when the option
<code>processJavadoc</code> is turned on.
</li>
<li>
<a href="checks/coding/requirethis.html#RequireThis">RequireThis</a> now
ignores static members (bug #1155921).
</li>
<li>
<a href="checks/coding/hiddenfield.html#HiddenField">HiddenField</a> now
treats setxYz() as a setter for xYz, and setXYz() as a setter for
XYz property to comply JavaBeans specification (bug #3370946).
</li>
<li>
Fixed parsing errors for Unicode escape sequences. Thanks to
Dinesh Bolkensteyn for patch #3412812.
</li>
<li>
ignoreEnhancedForColon property added to
<a href="checks/whitespace/whitespacearound.html#WhitespaceAround">WhitespaceAround</a>.
Thanks to Travis Schneeberger for patch #1921815 (bug #1649038).
</li>
</ul>
</section>
<section><a id="Release_5.4"></a>
<h1>Release 5.4</h1>
<p>New features:</p>
<ul>
<li>
Enhanced <a href="checks/imports/unusedimports.html#UnusedImports">UnusedImports</a>
to have the option <code>processJavadoc</code> to detect whether
imports are used. Thanks to Lyle Hanson for patch #3267984.
</li>
<li>
Enhanced <a href="checks/coding/magicnumber.html#MagicNumber">MagicNumber</a>
to support ignoring numbers in annotation declarations. Thanks to
Julio Cesar Cabral for patch #3132984.
</li>
<li>
Enhanced
<a href="checks/coding/equalsavoidnull.html#EqualsAvoidNull">EqualsAvoidNull</a>
to process <code>String.equalsIgnoreCase()</code>
invocations (which can be suppressed).
</li>
<li>
Enhanced
<a href="checks/coding/illegalthrows.html#IllegalThrows">IllegalThrows</a>
to support ignoring methods with specified names. Thanks to
Amit Shah for patch #3115439.
</li>
<li>
Enhanced
<a href="checks/modifier/redundantmodifier.html#RedundantModifier">RedundantModifier</a>
to support detecting inner <code>interface</code> declarations that
are declared as <code>static</code>. Raised in bug #3222810.
</li>
<li>
Enhanced the <a href="anttask.html#Parameters">ANT task</a>,
<a href="cmdline.html#Command_line_usage">Command Line</a> and
<a href="filters/suppressionfilter.html#SuppressionFilter">Suppression Filter</a> to be
able to load their configuration file from either the filesystem or
the classpath as a resource. Thanks to Tracy Snell for patch #3307526.
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
Fix
<a href="checks/coding/multiplevariabledeclarations.html#MultipleVariableDeclarations">MultipleVariableDeclarations</a>
to properly handle when multiple variable declarations are inside a
for loop initializer. Thanks to Amit Shah for patch #3121071.
</li>
<li>
Fix memory leak in FileContentsHolder. Thanks to Evgeny Mandrikov
for patch #3323517.
</li>
</ul>
</section>
<section><a id="Release_5.3"></a>
<h1>Release 5.3</h1>
<p>New features:</p>
<ul>
<li>
Added <a href="checks/misc/outertypefilename.html#OuterTypeFilename">OuterTypeFilename</a>
that checks that the outer type name and the file name match.
For example, the class <code>Foo</code> must be in a file named
<code>Foo.java</code>.
</li>
<li>
Enhanced
<a href="checks/coding/packagedeclaration.html#PackageDeclaration">PackageDeclaration</a>
to optionally check that the package name matches the name of the
directory containing the file.
</li>
<li>
Added <a href="checks/coding/nestedfordepth.html#NestedForDepth">NestedForDepth</a>
that restricts nested <code>for</code> blocks to a specified
depth (default = 1). Thanks to Alexander Jesse for patch
#1151673.
</li>
<li>
Added <a href="checks/sizes/methodcount.html#MethodCount">MethodCount</a>
that checks the number of methods declared in each type. This
includes the number of each scope (<code>private</code>,
<code>package</code>, <code>protected</code> and
<code>public</code>) as well as an overall total. Thanks to
Alexander Jesse for patch #1151669, which was the inspiration.
</li>
<li>
Added <a href="checks/coding/onestatementperline.html#OneStatementPerLine">OneStatementPerLine</a>
that checks there is only one statement per line. Thanks to
Alexander Jesse for patch #1144994, which was the inspiration.
</li>
<li>
Enhanced <a href="checks/coding/magicnumber.html#MagicNumber">MagicNumber</a>
to support the parameter <code>ignoreHashCodeMethod</code> to ignore
magic numbers in <code>hashCode()</code> methods. Thanks to
Daniel Solano Gómez for patch #3050788.
</li>
<li>
Enhanced
<a href="checks/naming/abstractclassname.html#AbstractClassName">AbstractClassName</a>
to support checking that matching classes have the
<code>abstract</code> modifier. Thanks to Danil Lopatin for
patch #3043752.
</li>
<li>
Enhanced the property types
<a href="property_types.html#String.5B.5D">String[]</a> and
<a href="property_types.html#int.5B.5D">int[]</a> to support being
supplied multiple times to construct the equivalent of a comma
separated list.
</li>
<li>
Enhanced
<a href="checks/imports/avoidstarimport.html#AvoidStarImport">AvoidStarImport</a>
to support the properties <code>allowClassImports</code> and
<code>allowStaticMemberImports</code> for finer control over
what is allowed. Thanks to Travis Schneeberger for patch
#1939775.
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
Fix <a href="checks/javadoc/javadocmethod.html#JavadocMethod">JavadocMethod</a>
checking of <code>@throws</code> tags for methods that throw multiple
non-runtime exceptions. Thanks to Daan Kets for patch #3039869.
</li>
<li>
Fix
<a href="checks/design/hideutilityclassconstructor.html#HideUtilityClassConstructor">HideUtilityClassConstructor</a>
to handle empty and inner classes. Thanks to Roman Ivanov for
patch #3045720.
</li>
</ul>
<p>Notes:</p>
<ul>
<li>
Changed the default value of the property <code>logLoadErrors</code>
to be <code>true</code> for the checks
RedundantThrows and
<a href="checks/javadoc/javadocmethod.html#JavadocMethod">JavadocMethod</a> to
ensure consistent behaviour.
</li>
</ul>
</section>
<section><a id="Release_5.2"></a>
<h1>Release 5.2</h1>
<p>New features:</p>
<ul>
<li>
Enhanced <a href="checks/coding/declarationorder.html#DeclarationOrder">DeclarationOrder</a>
to support properties to ignore constructors, methods and modifiers.
Thanks to Steve McKay for patch #2953941.
</li>
<li>
Enhanced <a href="checks/javadoc/writetag.html#WriteTag">WriteTag</a>
to support empty tags, and constructor declarations.
Thanks to Rolf Wojtech for patch #2724894.
</li>
<li>
Added <a href="checks/design/innertypelast.html#InnerTypeLast">InnerTypeLast</a> to
check nested (internal) classes/interfaces are declared at the
bottom of the class after all method and field declarations.
Thanks to Ruslan Dyachenko for patch #3027391.
</li>
<li>
Enhanced <a href="checks/imports/importorder.html#ImportOrder">ImportOrder</a>
to support using regular expressions for defining groups.
Thanks to Martin von Gagern for patch #2782118.
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
Fixed <a href="checks/imports/importorder.html#ImportOrder">ImportOrder</a>
to have the sort behaviour as in release 5.0. (bug #2952881).
Thanks to Steve McKay for patch #2953936.
</li>
<li>
Fixed <a href="checks/javadoc/javadocstyle.html#JavadocStyle">JavadocStyle</a>
not handling package declarations that have annotations.
(bug #2911363)
</li>
</ul>
<p>Notes:</p>
<ul>
<li>
Converted the build system to
<a href="https://maven.apache.org/" class="externalLink">Maven</a>. The directory structure
has been maintained for now, rather than adopting Maven's
<a href="https://maven.apache.org/guides/introduction/introduction-to-the-standard-directory-layout.html" class="externalLink">
standard directory layout
</a>. This will change once Maven has been <i>proven</i>.
</li>
<li>
The Maven <code><groupId></code> changed to be
<code>com.puppycrawl.tools</code> (from <code>checkstyle</code>).
</li>
<li>
Introduced
<a href="apidocs/com/puppycrawl/tools/checkstyle/api/FileText.html">
FileText
</a>
to provide more flexibility on how the contents of a file are
represented. This allows for Checkers that wish to operate on
a single character sequence instead of a list of lines.
Thanks to Martin von Gagern for patch #2783226.
</li>
<li>
Updated third party dependencies to the latest versions. See
<a href="dependencies.html">Project Dependencies</a> for details.
</li>
<li>
Made the method EmptyBlockCheck.hasText(DetailAST) as
<code>protected</code> so that it is accessible to subclasses.
Requested by Steve McKay.
</li>
</ul>
</section>
<section><a id="Release_5.1"></a>
<h1>Release 5.1</h1>
<p>New features:</p>
<ul>
<li>
Enhanced <a href="checks/imports/importorder.html#ImportOrder">ImportOrder</a>
check to support wildcard ('*') groups.
Thanks to Steve McKay for patch #2891032.
</li>
<li>
Enhanced the naming checks
<a href="checks/naming/index.html">ConstantName</a>,
<a href="checks/naming/index.html">MemberName</a>,
<a href="checks/naming/index.html">MethodName</a>
and <a href="checks/naming/index.html">StaticVariableName</a>
to utilise the access control tuning features
of AbstractAccessControlNameCheck. Thanks to Steve McKay for patch
#2893581.
</li>
<li>
Improve ConfigurationLoader to use a InputSource. Thanks to
Martin von Gagern for patch #2782627.
</li>
<li>
Enhanced the
<a href="checks/imports/importcontrol.html#ImportControl">ImportControl</a> check
to support regular expressions. Thanks to lbaeumer for patch
#2937442.
</li>
</ul>
<p>Bug fixes:</p>
<ul>
<li>
Corrected build errors on javadoc generation.
Thanks to Martin von Gagern for providing a patch (patch #2782630).
</li>
<li>
Corrected javadoc in TokenTypes class for UNARY_PLUS and UNARY_MINUS
members (bug #2745145).
</li>
<li>
Corrected broken link in WhiteSpaceAround documentation
(bug #2745287).
</li>
<li>
Corrected pad policy documentation for MethodParamPad (bug #2775402).
</li>
<li>
Added correct license information for referenced source files
(bug #2778850).
</li>
<li>
Updated documentation for writing checks (bug #2783451).
</li>
<li>
Report unused Javadoc tags with no trailing whitespace(bug #2506962).
Thanks to Ashlesha Patil for patch #2781021.
</li>
<li>
Enhanced <a href="checks/javadoc/javadoctype.html#JavadocType">JavadocType</a>
check to handle and report on unknown Javadoc tags.
The property allowUnknownTags can be set to ignore errors.
(bug #2882261)
</li>
</ul>
<p>Notes:</p>
<ul>
<li>
<i>Updated dependencies</i>: Updated Google collections to version
1.0.
</li>
<li>
<i>Updated documentation</i>: Added links for 3rd party tools.
</li>
</ul>
</section>
<section><a id="Release_5.0"></a>
<h1>Release 5.0</h1>
<p>
Release 5.0 is not 100% backwardly compatible with release
4.4. Most likely you will need to update your configuration
file.
</p>
<p>The following checks were added since release 4.4:</p>
<ul>
<li><a href="checks/annotation/annotationusestyle.html#AnnotationUseStyle">AnnotationUseStyle</a></li>