How Prototype pattern is reducing number of subclasses

Hi

can u please explain by some examples how prototype pattern are useful in reducing no of subclasses and how it is useful to avoid building a class hierarchy of factories that parallels the class hierarchy of products

Please give some practical examples to explain protoype pattern.

Thanks in advance.

[329 byte] By [B_K_Jaina] at [2007-10-2 1:25:01]