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="TreeWalker">
        <module name="EmptyBlock"/>
        <module name="UnusedImports"/>
        <module name="DefaultComesLast"/>
        <module name="OneStatementPerLine"/>
        <module name="RequireThis"/>
        <module name="LeftCurly"/>
        <module name="RightCurly"/>
        <module name="InterfaceIsType"/>
        <module name="ArrayTrailingComma"/>
        <module name="AvoidDoubleBraceInitialization"/>
        <module name="ParameterNumber">
            <property name="max" value="20"/>
            <property name="tokens" value="METHOD_DEF"/>
        </module>
    </module>
    <module name="LineLength">
        <property name="max" value="120"/>
    </module>
</module>