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="LineLength">
        <property name="fileExtensions" value="java"/>
        <property name="max" value="120"/>
        <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
    </module>
    <module name="TreeWalker">
        <!-- Checks that there are no import statements that use the * notation -->
        <!-- See http://checkstyle.sourceforge.net/config_imports.html#AvoidStarImport -->
        <module name="AvoidStarImport"/>
    </module>
</module>