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Decorator Design Pattern

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  The Decorator Design Pattern is a structural design pattern that allows behavior to be added to an object dynamically at runtime by wrapping the object in a decorator class. It provides an alternative to subclassing for extending functionality. Key Components of the Decorator Design Pattern: Component: It is the common interface or abstract class that defines the operations that can be performed by the objects and decorators. Concrete Component: It represents the original object to which additional behavior will be added. It implements the Component interface. Decorator: It is an abstract class that implements the Component interface and has a reference to the Component object. It acts as a wrapper and provides a default implementation for the Component's operations. Concrete Decorator: It extends the Decorator class and adds additional behavior to the Component object. It overrides the Component's operations and may call the super implementation to preserve the original beha...
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Composite Desing Pattern

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  The Composite Design Pattern is a structural design pattern that allows you to compose objects into tree-like structures and work with them as if they were individual objects. It lets clients treat individual objects and compositions of objects uniformly. Key Components of the Composite Design Pattern: Component: It is the common interface or abstract class that defines the operations that can be performed on both leaf and composite objects. Leaf: It represents the individual objects in the composition. Leaf objects do not have any child objects. Composite: It represents the container that can hold leaf objects as well as other composite objects. Composite objects have methods to add, remove, and access child objects. They delegate the operations to their child objects recursively. Benefits of using the Composite Design Pattern: Transparency: Clients can treat individual objects and compositions uniformly, as they both implement the same interface. The client doesn't need to know...
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