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Juan Carlos Hernandez
Juan Carlos Hernandez

Juan Carlos Hernandez

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From Design Patterns: Singleton — Batman and Spiderman here! by Carlos Caballero

The accessor method is responsible for returning the single instance in case it exists or instantiating it in case it h…

From Design Patterns: Singleton — Batman and Spiderman here! by Carlos Caballero

Ensure a class only has one instance, and provide a global point of access to it. — Design Patterns: Elements of Reusable Object-Oriented Software