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[Java Design Pattern] - Creational Patterns

Wednesday, April 4, 2018
Creational Patterns

  • Deal with one of the most commonly performance taks in an OO application, the creation of object.
  • Support a uniform, simple and controlled mechanism to create objects.
  • Allow the encapsulation of the details about what classes are instantiated and how these instances are created.
  • Encourage the use of interfaces, which reduces coupling.


1. Factory Method
Description: A client object does not know which class to instantiate, you can make use of the factory method to create a instance of an appropriate class from a class hierarchy or a family of related classes.
Ref: Factory Method

2. Singleton
Description:Sometimes, there may be a need to have one and only one instance of a given class druing the lifetime of an application.
Ref: Singletone

3. Abstract Factory
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4. Prototype
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5. Builder
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