How to configure Ant 1.6.x in JBuilder X or 2005

Steps:

1. Create a new library for Ant and provide a descriptive name (Tools | Configure... | Libraries | New...)

2. In the 'New Library Wizard' dialog, click 'Add...' and select all of the JARs under Ant 1.6.x/lib folder. Also add JBuilder/lib/jbuilder.jar.

3. Finally, add the Ant library created in the last step to Project Properties | Build | Ant.