checkstyle.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC
    "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
    "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<module name="Checker">

  <module name="TreeWalker">
    <module name="AnnotationUseStyle"/>
    <!-- <module name="UnusedLocalVariable"/> -->
    <!-- <module name="ConstantName"/> -->
    <!-- <module name="EmptyBlock"/> -->
    <!-- <module name="EmptyCatchBlock"/> -->
    <module name="MissingDeprecated"/>
    <module name="MissingOverride"/>
    <module name="MissingSwitchDefault"/>
    <module name="OneTopLevelClass"/>
    <module name="PackageAnnotation"/>
    <module name="UnnecessarySemicolonAfterOuterTypeDeclaration"/>
    <module name="UnnecessarySemicolonAfterTypeMemberDeclaration"/>
    <module name="UnnecessarySemicolonInEnumeration"/>
    <module name="UnnecessarySemicolonInTryWithResources"/>
  </module>

  <!-- Size Violations -->
  <module name="FileLength">
    <property name="fileExtensions" value="java"/>
  </module>
  <module name="LineLength">
    <property name="fileExtensions" value="java"/>
    <property name="max" value="300"/>
    <property name="ignorePattern" value="^ *\* *([^ ]+|\{@code .*|&lt;a href=&quot;[^&quot;]+&quot;&gt;)$"/>
  </module>
</module>