How does a Decorator differ from a Proxy pattern, given that both typically wrap another object and share the same interface?

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Answer

Decorator is instantiated statically at compile time, whereas Proxy is only created at runtime.

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Decorator always changes the target interface, whereas Proxy preserves the interface exactly.

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Decorator can wrap only one object, whereas Proxy can only wrap collections.

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Decorator focuses on adding behavior dynamically, whereas Proxy focuses on controlling access to the underlying object.

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