Decorator Design Pattern (Software Design Patterns Tutorial)

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******************** Decorator Design Pattern:
It falls under the structural design patterns.
It is used to add extra functionality to the existing object at the runtime without changing the structure of the object.

Decorator Design Pattern Real-life Example:
We are going to Pizza shop.
Pizza shop has readymade Mushroom and Chicken Pizzas.
A customer asking a Chicken Pizza with extra toppings. Here, Pizza maker would use the available "Chicken Pizza" and add the extra topping at the runtime.
We can relate this "Chicken Pizza" as a base object. "Extra toppings" is the extra functionality which is added to the base object at the runtime without affecting the base object.


For more details check out: https://programmingline.com/software-design-patterns/facade-design-pattern

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