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/ Design Patterns / Catalog

Creational Design Patterns

Creational patterns provide various object creation mechanisms, which increase flexibility and reuse of existing code.

Factory Method Factory Method

Provides an interface for creating objects in a superclass, but allows subclasses to alter the type of objects that will be created.

 Abstract Factory Abstract Factory

Lets you produce families of related objects without specifying their concrete classes.

 Builder Builder

Lets you construct complex objects step by step. The pattern allows you to produce different types and representations of an object using the same construction code.

 Prototype Prototype

Lets you copy existing objects without making your code dependent on their classes.

 Singleton Singleton

Lets you ensure that a class has only one instance, while providing a global access point to this instance.