checkstyle.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">
    <module name="FileTabCharacter" />
    <module name="LineLength">
        <property name="max" value="120"/>
    </module>
    <module name="TreeWalker">
        <module name="SuppressionCommentFilter"/>
        <module name="UnusedImports" />
        <module name="NeedBraces" />
        <module name="OneStatementPerLine" />
        <module name="AvoidStarImport" />
        <module name="LeftCurly" />
        <module name="JavadocMethod" />
        <module name="JavadocContentLocation" />
        <module name="MemberName" />
        <module name="MethodName" />
        <module name="ParameterName" />
        <module name="CatchParameterName" />
        <module name="LambdaParameterName" />
        <module name="LocalFinalVariableName" />
        <module name="LocalVariableName" />
        <module name="StaticVariableName" />
        <module name="PackageName" />
        <module name="TypeName" />
        <module name="ConstantName" />
        <module name="MagicNumber" />
    </module>
</module>