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="AvoidStarImport"/>
        <module name="ConstantName"/>
        <module name="EmptyBlock"/>
        <module name="FinalClass"/>
        <module name="MutableException"/>
        <module name="FinalLocalVariable"/>
        <module name="NoFinalizer"/>
        <module name="FinalParameters" />
        <module name="IllegalImport"/>
        <module name="UnusedImports"/>
        <module name="ConstantName"/>
        <module name="EmptyBlock"/>
        <module name="EmptyCatchBlock"/>
        <module name="EmptyLineSeparator">
            <property name="allowMultipleEmptyLines" value="false"/>
            <property name="allowNoEmptyLineBetweenFields" value="false"/>
            <property name="allowMultipleEmptyLinesInsideClassMembers" value="false"/>
        </module>
        <module name="EmptyStatement"/>
        <module name="Indentation"/>
        <module name="TodoComment"/>
        <module name="GenericWhitespace"/>
        <module name="MethodParamPad"/>
        <module name="MethodName"/>
        <module name="ConstantName"/>
        <module name="LeftCurly"/>
    </module>
    <module name="FileLength">
        <property name="max" value="1000"/>
    </module>
    <module name="LineLength">
        <property name="fileExtensions" value="java"/>
        <property name="max" value="130"/>
        <property name="ignorePattern"
                  value="^( *\* *([^ ]+|\{@code .*|&lt;a href=&quot;[^&quot;]+&quot;&gt;)|(package|import) .*)$"/>
    </module>
    <module name="NewlineAtEndOfFile"/>

</module>