http://ant.apache.org/manual/CoreTasks/javadoc.html
1.) extract JUnit source code to c:\temp\src
2.) create an ANT build.xml file to run the JavaDoc task as follows
<?xml version="1.0" ?> <project name="JavaDocs" default="doc"> <target name="doc"> <javadoc destdir="docs/api" sourcepath="src" packagenames="junit.*" windowtitle="JUnit" /> </target> </project>
3.) save the build.xml file in c:\temp
4.) run c:\temp>ant
Another example ... To get JavaDocs for the Time And Money library available from SourceForge,
<target name="doc"> <javadoc destdir="docs/api" sourcepath="src" packagenames="com.domainlanguage.*" windowtitle="TimeAndMoney" /> </target>