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Abstract Factory pattern adds another layer of abstraction for Factory pattern. If we compare Abstract Factory with Factory, it is pretty obvious that a new layer of abstraction is added. Abstract Fac

In State pattern a class behavior changes based on its state. This type of design pattern comes under behavior pattern.In State pattern, we create objects which represent various states and a contex

1. The story for Factory patternFactory design pattern is used for creating an object based on different parameters. The example below is about creating human in a factory. If we ask the factory for

Singleton pattern is one of the most commonly used patterns in Java. It is used to control the number of objects created by preventing external instantiation and modification. This concept can be gene

By X WangPrototype design pattern is used when very similar objects frequently are required. Prototype pattern clones objects and set the changed feature. This way less resourc