build.xml

<project default="compile">
  
  <path id="project.class.path">
    <pathelement location="build"/>
    <pathelement location="lib/junit-4.8.2.jar"/>
  </path>

  <target name="compile" description="compile my code">
    <mkdir dir="build" />
    <javac srcdir="src" destdir="build"
	   includeantruntime="false"
	   debug="true" debuglevel="lines,vars,source">
    <classpath refid="project.class.path" />
  </javac>
  </target>

  <target name="run"  description="run the program">
    <java classname="Student">

    <classpath refid="project.class.path" />
    </java>
  </target>


 <target name="clean">
   <delete dir="build"/>
 </target>

 <target name="test" depends="compile" description="run junit tests">   
   <junit haltonerror="no" haltonfailure="no">
     <classpath refid="project.class.path" />
     <batchtest fork="yes">
       <fileset dir="src"><include name="**/*Test.java"/></fileset>
     </batchtest>
     <formatter type="plain" usefile="false" />       
   </junit>
 </target>

</project>