<?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="hello1.jar" />  

<target name="init">  
<mkdir dir="${dest}"/>  
</target>  
  
<target name="compile" depends="init">  
<javac srcdir="${src}" destdir="${dest}" includeantruntime="on" />  
 </target>  

<target name="build" depends="compile">  
 <jar jarfile="${hello_jar}" basedir="${dest}"/>  
</target>  

<target name="run" depends="build">  
 <java classname="test.ant.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>