<?xml version="1.0" encoding="UTF-8" ?>
<project name="HelloWorld" default="run" basedir=".">
<property name="src" value="src" />
<property name="dest" value="classes" />
<property name="hello_jar" value="hello.jar" />
<target name="init">
<mkdir dir="${dest}" />
</target>
<target name="compile" depends="init">
<javac srcdir="${src}" destdir="${dest}" />
</target>
<target name="build" depends="compile">
<jar jarfile="${hello_jar}" basedir="${dest}" />
</target>
<target name="run" depends="build">
<java classname="HelloWorld" classpath="${hello_jar}" />
</target>
<target name="clean">
<delete dir="${dest}" />
<delete file="${hello_jar}" />
</target>
<target name="rerun" depends="clean,run">
<ant target="clean" />
<ant target="run" />
</target>
</project>