build.xml

<project name="SDP10" basedir="." default="main">

<property name="lib.dir" value="lib"/>	
<property name="src.dir" value="src"/>
<property name="bin.dir" value="bin"/>
<property name="mainclass" value="Commander"/>

	<!-- Defining the CLASSPATH -->
	<path id="compile.classpath">
		<pathelement location="${bin.dir}" />
		<fileset dir="${lib.dir}">
			<include name="**/*.jar"/>
		</fileset>
		<fileset dir="${src.dir}"/>	
	</path>
	<path id="run.classpath">
		<pathelement location="${bin.dir}" />
		<fileset dir="${lib.dir}">
			<include name="**/twitter4j-core-2.1.10.jar" />
			<include name="**/pccomm.jar" />
		</fileset>
	</path>

	<target name="clean">
		<delete dir="${bin.dir}"/>
	</target>

	<target name="compile" depends="clean">
		<mkdir dir="${bin.dir}"/>
		<javac srcdir="${src.dir}" destdir="${bin.dir}" includeantruntime="true" debug="true" debuglevel="lines,source">
			<classpath refid="compile.classpath"/>
		</javac>
	</target>
		
	<target name="run" depends="compile">
		<java classname="Commander" fork="true">
			<classpath refid="run.classpath"/>
		</java>
	</target>

	<target name="clean-build" depends="clean, compile"/>
	<target name="main" depends="clean-build"/>

</project>