| Factory implementation that returns the same constant each time.
No check is made that the object is immutable. In general, only immutable
objects should use the constant factory. Mutable objects should
use the prototype factory.
since: Commons Collections 3.0 version: $Revision: 348444 $ $Date: 2005-11-23 14:06:56 +0000 (Wed, 23 Nov 2005) $ author: Stephen Colebourne |