Maybe you should start reading the tutorial from the beginning:
"Tutorial: Writing Tasks
This document provides a step by step tutorial for writing tasks."

That�s a tutorial about writing tasks - not simple java apps.

The techniques are the same: code, compile, test ... But that java class is
not
startable. If you want to do start your task from the command line I suggest
providing
a main like
  public static void main(String args[]) {
      HelloWorld task = new HelloWorld();
      // use task.setXXX() methods for settings values, maybe from args
array like
      task.setMessage( args.length>0 ? args[0] : "Default Message" );
      task.execute();
  }


Jan


> -----Urspr�ngliche Nachricht-----
> Von: Erik Hatcher [mailto:[EMAIL PROTECTED]
> Gesendet am: Dienstag, 15. Februar 2005 02:12
> An: Ant Users List
> Betreff: Re: Ant Tutorial - Question
> 
> 
> On Feb 14, 2005, at 5:56 PM, Anderson, Rob (Global Trade) wrote:
> 
> > I think this should say...
> >
> > public class HelloWorld extends org.apache.tools.ant.Task {
> 
> An Ant task only needs a "public void execute()" method though.  
> Extending from Task is handy (to get the Project instance and log 
> things) but not necessary.
> 
>       Erik
> 
> 
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