Ant doesn't defined the notion of module.
! See Search for Directory Structures
modulename |-- src/ |-- test/ |-- etc/ |-- target/ build.xml
- src is the directory that contains the source code
- test is the directory that contains the test code
- etc is generally a directory reserved for configuration file. See als Linux - /etc/ directory (Configuration)
- target is the directory where all generated files during the build process will be saved (The directory name is borrowed from Maven)