checkstyle.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC
        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
        "https://checkstyle.org/dtds/configuration_1_3.dtd">
<module name="Checker">	
  <property name="cacheFile" value="checkstyle-cachefile"/>
  <property name="fileExtensions" value="java, xml"/>
  <module name="SuppressionFilter">
    <property name="file" value="${samedir}/checkstyle-suppressions.xml"/>
  </module>
  <module name="LineLength">
    <property name="tabWidth" value="4"/>
    <property name="max" value="201"/>
  </module>
  <module name="SuppressWarningsFilter"/>
  <module name="TreeWalker">
    <property name="severity" value="error"/>
    <module name="SuppressWarningsHolder"/>
    <module name="UpperEll"/>
    <module name="IllegalImport"/>
    <module name="JavadocMethod">
      <property name="allowMissingParamTags" value="true"/>
      <property name="allowMissingReturnTag" value="true"/>
    </module>
    <module name="PackageName"/>
    <module name="AvoidStarImport"/>
    <module name="RedundantImport"/>
    <module name="UnusedImports"/>
    <module name="EmptyForIteratorPad"/>
    <module name="NoWhitespaceAfter"/>
    <module name="OperatorWrap"/>
    <module name="TypecastParenPad"/>
    <module name="WhitespaceAround">
      <property name="tokens" value="ASSIGN"/>
    </module>
    <module name="ModifierOrder"/>
    <module name="LeftCurly">
      <property name="option" value="nl"/>
      <property name="tokens" value="INTERFACE_DEF,CLASS_DEF,ANNOTATION_DEF,ENUM_DEF,CTOR_DEF,METHOD_DEF,LITERAL_WHILE,LITERAL_TRY,LITERAL_CATCH,LITERAL_FINALLY,LITERAL_SYNCHRONIZED,LITERAL_SWITCH,LITERAL_DO,LITERAL_IF,LITERAL_ELSE,LITERAL_FOR"/>
    </module>
    <module name="NeedBraces"/>
    <module name="IllegalInstantiation"/>
    <module name="SimplifyBooleanReturn"/>
    <!-- <module name="FinalClass" /> -->
    <module name="HideUtilityClassConstructor"/>
    <module name="ArrayTypeStyle"/>
  </module>
  <module name="NewlineAtEndOfFile"/>
  <module name="Translation"/>
</module>