I'm fairly new to Ant, but I've been through the docs and I can't seem
to address the problem I'm having.  Perhaps someone can help me.
I'm trying to create a path based on a conditional.  Basically, I want
to include certain things in my classpath if I'm on windows vs linux.

is there a tool which can help to transform java source code from/to 1.4
 to/from 1.5 ? For binary 1.5 to 1.4 there is retroweaver, but is there
a source code version?
The main concern is about generics. How to automatically add/remove them.

I tried to install latest release eclipse-SDK-3.2.1-win32-x86_64.zip
I received the following error :
C:\eclipse\configuration\org.eclipse.osgi\bundles\79\1\.cp\swt-win32-3309.dll:
%1 is not a valid Win32 application

For hours I am trying to install the Enterprise Pack for Netbeans 5.5 on
my ubuntu notebook now, but the installation always fails after the
following messages:
installation command:  sudo ./netbeans-ent_pack-5_5-linux.sh