<project name="JavaNNTrainer" default="dist" basedir=".">   <description>      Ant build file for Java NN Trainer   </description>   <property name="build_dir"    location="build"/>   <property name="jar_dir"      location="bin"/>   <property name="jar_base"     value="javann"/>   <property name="jar_file"     value="${jar_base}.jar"/>   <property name="src_dir"      location="src"/>   <path id="run.cp">      <pathelement path="${jar_dir}/${jar_file}"/>   </path>   <target name="init">      <tstamp/>      <mkdir dir="${build_dir}"/>   </target>   <target name="compile" depends="init" description="Compile source">      <javac srcdir="${src_dir}" destdir="${build_dir}" debug="false"/>   </target>   <target name="dist" depends="compile" description="Create jar file">      <mkdir dir="${jar_dir}"/>      <jar jarfile="${jar_dir}/${jar_file}" basedir="${build_dir}" manifest="MANIFEST.MF"/>   </target>   <target name="run" depends="dist" description="Run client">      <java classpathref="run.cp" classname="TestNN" fork="true" failonerror="true" maxmemory="256m"/>   </target>   <target name="clean" description="Clean up">      <delete dir="${build_dir}"/>      <delete dir="${jar_dir}"/>   </target></project>