If you build it he will come – The Builder Design Pattern

The motivation behind the builder design pattern is to supply a mechanism for building complex objects ,assuring there is no dependency between the contained objects and the main object creation,it also help us to enforce a set of creation steps before the object can be used. So In our CRM App we have to types

The Factory Method Design Pattern – Making the right choise

The factory method design pattern which is one of the most commonly used creation design pattern is designed to handle an architectural issue where you need to retrieve or generate a specific object from a family of classes which all shares a common base class,hence have common behaviors or characteristics. The benefit of the factory