build.xml

<project name="Calculator">

    <target name="build">
        <mkdir dir="build"/>
        <javac srcdir="src"
               destdir="build"/>
    </target>

    <target name="clean">
        <delete dir="build"/>
        <delete dir="doc"/>
        <delete file="Calculator.jar"/>
    </target>

    <target name="javadoc">
        <mkdir dir="doc"/>
        <javadoc destdir="doc"
                 sourcepath="src"
                 charset="utf8"/>
    </target>

    <target name="run" depends="build">
        <java classname="be.lionelgoffaux.calculator.Main"
              classpath="build"
              fork="true"/>
    </target>

    <target name="jar" depends="build">
        <jar destfile="Calculator.jar" basedir="build/">
            <manifest>
                <attribute name="Main-Class" value="be.lionelgoffaux.calculator.Main"/>
            </manifest>
        </jar>
        <delete dir="build"/>
    </target>

    <target name="runJar" depends="jar">
        <java jar="Calculator.jar" fork="true"/>
    </target>

</project>