<project name="SimpleHelloWorld" default="compile" basedir=".">
  <!-- set global properties for this build -->

  <property name="src" value="src"/>
  <property name="build" value="build"/>
 <property name="dist"  value="dist"/>

  <target name="compile">
    <!-- Create the time stamp -->
    <tstamp/>

    <!-- Create the build directory structure used by compile -->
   <mkdir dir="${build}"/>
    <!-- Compile the java code from ${src} into ${build} -->
    <javac srcdir="${src}" destdir="${build}"/>
  </target>
</project>