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">
  <property name="charset" value="UTF-8"/>
  <property name="severity" value="warning"/>
  <property name="fileExtensions" value="java, properties, xml"/>

  <module name="TreeWalker">
    <module name="AvoidStarImport"/>
    <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="MethodLength"/>
    <module name="ParameterNumber"/>
    <module name="WhitespaceAround"/>
  </module>
</module>