build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="HelloWorld" default="build" basedir=".">

    <property name="source.dir" value="${basedir}/src/main/kotlin" />
    <property name="target.dir" value="${basedir}/target" />
    <property name="build.dir" value="${target.dir}/main/classes" />
    <property name="main.class" value="QuickSortKt" />

    <!-- task 'init' is defined in parent build.xml -->
    <import file="../build.xml" />

    <target name="lint" depends="init">
        <ktlint
		    pattern="src/**/*.kt"
			classpathref="ktlint.classpath"
        />
    </target>

    <target name="compile" depends="init">
        <mkdir dir="${build.dir}" />
        <javac destdir="${build.dir}" includeAntRuntime="false" srcdir="${source.dir}">
            <withKotlin/>
        </javac>
    </target>

    <target name="run" depends="compile">
        <java classname="${main.class}">
            <!-- <arg value="1" /> -->
            <classpath>
                <path refid="kotlin.classpath" />
                <path refid="build.classpath" />
            </classpath>
        </java>
    </target>

    <target name="clean">
        <delete dir="${target.dir}"/>
    </target>

</project>