In the Decorator pattern, what structural relationship must exist between the Decorator and the Component interface?

Question

Accepted Answer

The Decorator implements or extends the Component interface and maintains a reference to a Component instance.

Answer

The Decorator must be a subclass of the ConcreteComponent and override all its private fields.

Answer

The Decorator must extend Object directly and delegate via reflection.

Answer

The Decorator must have no type relationship with the Component to ensure loose coupling.

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