Please use code tags; without them code and configs are essentially impossible to read.
If you're talking about referencing the files during run time it depends on how you're accessing the files. If you're reading them in as resources they need to be on the classpath of the program itself. The property file tag in an Ant file is for defining *Ant* properties. If you're reading them in as files then you need to reference the actual file path from the standpoint of the executing program.
subject: Defining Ant build.xml java properties files for a run targer