Tuesday, January 21, 2020

Design Patterns

Pattern are for Flexible, Maintainable and extendable, i.e Add new features, replace feature and remove feature should not be complex.


Creational: Object Instantiation
Structural : Class relationship and Hierarchical
Behavioral:  Objects intercommunication

Creational:
Factory Method:
Provides an interface to create an object but defers the creation to the sub class.
- Creates an object base don run time parameter
- Do not need to know which objects you will needed to create.
- 
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