Desing Patterns : Factory Method

Well idea behind the factory method is preaty straight forward. It is some thing like based on a selective structure, we generate objects on a class hiarachy.
Factory Method is a creational pattern. This pattern helps to model an interface for creating an object which at creation time can let its subclasses decide which class to instantiate. We call this a Factory Pattern since it is responsible for "Manufacturing" an Object. It helps instantiate the appropriate Subclass by creating the right Object from a group of related classes. The Factory Pattern promotes loose coupling by eliminating the need to bind application-specific classes into the code. http://gsraj.tripod.com/design/creational/factory/factory.html

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