my_sun_checks.xml

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
        "https://checkstyle.org/dtds/configuration_1_3.dtd">

<module name="Checker">
    <property name="severity" value="warning"/>
    <property name="fileExtensions" value="java, properties, xml"/>

    <module name="BeforeExecutionExclusionFileFilter">
        <property name="fileNamePattern" value="module\-info\.java$"/>
    </module>

    <module name="JavadocPackage"/>
    <module name="NewlineAtEndOfFile"/>
    <module name="Translation"/>

    <!-- FileLength increased to 4000: CSVFormat.java is the public API -->
    <module name="FileLength">
        <property name="max" value="4000"/>
    </module>

    <!-- LineLength increased to 120: industry standard -->
    <module name="LineLength">
        <property name="fileExtensions" value="java"/>
        <property name="max" value="120"/>
    </module>

    <module name="FileTabCharacter"/>

    <module name="RegexpSingleline">
        <property name="format" value="\s+$"/>
        <property name="minimum" value="0"/>
        <property name="maximum" value="0"/>
        <property name="message" value="Line has trailing spaces."/>
    </module>

    <module name="TreeWalker">
        <module name="InvalidJavadocPosition"/>
        <module name="JavadocMethod"/>
        <module name="JavadocType"/>

        <!-- JavadocVariable only for public scope -->
        <module name="JavadocVariable">
            <property name="accessModifiers" value="public"/>
        </module>

        <module name="JavadocStyle"/>

        <!-- Allow missing Javadoc on getters/setters -->
        <module name="MissingJavadocMethod">
            <property name="allowMissingPropertyJavadoc" value="true"/>
        </module>

        <module name="ConstantName"/>
        <module name="LocalFinalVariableName"/>
        <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="EmptyForIteratorPad"/>
        <module name="GenericWhitespace"/>
        <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="EmptyStatement"/>
        <module name="EqualsHashCode"/>

        <!-- HiddenField: ignore Builder pattern -->
        <module name="HiddenField">
            <property name="ignoreConstructorParameter" value="true"/>
            <property name="ignoreSetter" value="true"/>
            <property name="setterCanReturnItsClass" value="true"/>
            <property name="ignoreAbstractMethods" value="true"/>
        </module>

        <module name="IllegalInstantiation"/>
        <module name="InnerAssignment"/>

        <!-- MagicNumber disabled: ASCII codes in lexer -->

        <module name="MissingSwitchDefault"/>
        <module name="MultipleVariableDeclarations"/>
        <module name="SimplifyBooleanExpression"/>
        <module name="SimplifyBooleanReturn"/>

        <module name="DesignForExtension"/>
        <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>
</module>