My Checkstyle prefs.

cs.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">

<!--
    This configuration file was written by the eclipse-cs plugin configuration editor
-->
<!--
    Checkstyle-Configuration: Sun Light
    Description: 
A lighter version of Sun's coding convention.
-->
<module name="Checker">
  <property name="severity" value="warning"/>
  <module name="TreeWalker">
    <module name="FileContentsHolder"/>
    <module name="JavadocMethod">
      <property name="allowMissingParamTags" value="true"/>
      <property name="allowMissingReturnTag" value="true"/>
      <property name="suppressLoadErrors" value="true"/>
    </module>
    <module name="JavadocType"/>
    <module name="JavadocVariable"/>
    <module name="JavadocStyle"/>
    <module name="ConstantName"/>
    <module name="LocalVariableName"/>
    <module name="MemberName"/>
    <module name="MethodName"/>
    <module name="PackageName"/>
    <module name="ParameterName"/>
    <module name="StaticVariableName"/>
    <module name="TypeName"/>
    <module name="AvoidStarImport"/>
    <module name="IllegalImport"/>
    <module name="RedundantImport"/>
    <module name="UnusedImports"/>
    <module name="MethodLength"/>
    <module name="ParameterNumber"/>
    <module name="LineLength">
      <property name="max" value="100"/>
      <property name="tabWidth" value="4"/>
    </module>
    <module name="EmptyForIteratorPad"/>
    <module name="MethodParamPad"/>
    <module name="NoWhitespaceAfter"/>
    <module name="NoWhitespaceBefore"/>
    <module name="OperatorWrap"/>
    <module name="ParenPad"/>
    <module name="TypecastParenPad"/>
    <module name="WhitespaceAfter"/>
    <module name="WhitespaceAround"/>
    <module name="ModifierOrder"/>
    <module name="RedundantModifier"/>
    <module name="AvoidNestedBlocks"/>
    <module name="EmptyBlock"/>
    <module name="LeftCurly"/>
    <module name="NeedBraces"/>
    <module name="RightCurly"/>
    <module name="AvoidInlineConditionals"/>
    <module name="EmptyStatement"/>
    <module name="EqualsHashCode"/>
    <module name="HiddenField"/>
    <module name="IllegalInstantiation"/>
    <module name="InnerAssignment"/>
    <module name="MissingSwitchDefault"/>
    <module name="RedundantThrows">
      <property name="suppressLoadErrors" value="true"/>
    </module>
    <module name="SimplifyBooleanExpression"/>
    <module name="SimplifyBooleanReturn"/>
    <module name="FinalClass"/>
    <module name="HideUtilityClassConstructor"/>
    <module name="InterfaceIsType"/>
    <module name="VisibilityModifier"/>
    <module name="ArrayTypeStyle"/>
    <module name="FinalParameters"/>
    <module name="TodoComment"/>
    <module name="UpperEll"/>
    <module name="MissingOverride"/>
    <module name="MissingDeprecated"/>
    <module name="FallThrough"/>
    <module name="BooleanExpressionComplexity"/>
    <module name="ClassFanOutComplexity"/>
    <module name="JavaNCSS"/>
    <module name="NPathComplexity"/>
    <module name="GenericWhitespace"/>
    <module name="AnonInnerLength"/>
    <module name="ExecutableStatementCount">
      <property name="tokens" value="INSTANCE_INIT,STATIC_INIT,METHOD_DEF,CTOR_DEF"/>
    </module>
    <module name="OuterTypeNumber"/>
    <module name="MethodCount"/>
    <module name="DefaultComesLast"/>
    <module name="DeclarationOrder"/>
    <module name="ExplicitInitialization"/>
    <module name="IllegalCatch"/>
    <module name="IllegalThrows"/>
    <module name="JUnitTestCase"/>
    <module name="ModifiedControlVariable"/>
    <module name="PackageDeclaration"/>
    <module name="ParameterAssignment"/>
    <module name="ReturnCount">
      <property name="max" value="1"/>
    </module>
    <module name="ArrayTrailingComma"/>
    <module name="UnnecessaryParentheses"/>
    <module name="OneStatementPerLine"/>
  </module>
  <module name="JavadocPackage"/>
  <module name="NewlineAtEndOfFile"/>
  <module name="Translation"/>
  <module name="FileLength"/>
  <module name="StrictDuplicateCode">
    <property name="min" value="20"/>
  </module>
  <module name="SuppressionCommentFilter"/>
</module>