build.xml

<?xml version="1.0" encoding="UTF-8"?>
<project name="list-intersection" default="compile"
         basedir="." >

  <target name="clean">
      <delete dir="build" />
  </target>
  <target name='compile' depends="clean">
    <mkdir dir="build/classes" />

    <javac includeantruntime="false" source="1.8" target="1.8" srcdir="src" destdir="build/classes" encoding="UTF-8">
      <classpath>
	<fileset dir="lib">
	  <include name="*"/>
	</fileset>
      </classpath>
    </javac>

    <!-- Copy over none Java-Files -->
    <copy todir="build/classes">
      <fileset dir="src">
	<exclude name="**/*.java"/>
      </fileset>
    </copy>
  </target>

  <target name="dist">
    <mkdir dir="build/dist"/>
    <jar destfile="build/dist/test-intersection.jar" basedir="build/classes">
      <manifest>
        <attribute name="Main-Class" value="application.Main"/>
      </manifest>
    </jar>
  </target>

  <target name="run" depends="dist">
    <java jar="build/dist/test-intersection.jar" fork="true"/>
  </target>

</project>