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Design pattern

vishwas cheluva n
Greenhorn

Joined: Apr 12, 2013
Posts: 1
what is the use of singleton design pattern??? and wat is the difference between singleton and factory???
Archana Nanjundarao
Greenhorn

Joined: Sep 26, 2007
Posts: 12
Singleton helps in ensuring that only one instance of the class exists. Factory pattern is used to create objects of the class without exposing the instantiation logic.


Thanks,
Archana Rao
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: Design pattern
 
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