checkstyle.xml

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

  <module name="LineLength">
    <property name="max" value="200"/>
  </module>

  <module name="FileTabCharacter"/>

  <module name="TreeWalker">
    <module name="AvoidStarImport"/>
    <module name="IllegalImport"/>
    <module name="RedundantImport"/>
    <module name="UnusedImports"/>
    <module name="FallThrough"/>
    <module name="MissingSwitchDefault"/>
    <module name="LeftCurly">
      <property name="option" value="eol"/>
    </module>
    <module name="RightCurly">
      <property name="option" value="alone"/>
    </module>
    <module name="ArrayTypeStyle"/>
    <module name="UpperEll"/>
    <module name="StringLiteralEquality"/>
    <module name="NoWhitespaceAfter"/>
    <module name="Indentation">
      <property name="basicOffset" value="4"/>
      <property name="arrayInitIndent" value="8"/>
    </module>
  </module>
</module>