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==Drawbacks==
One common drawback of using composition instead of inheritance is that methods being provided by individual components may have to be implemented in the derived type, even if they are only [[Forwarding (object-oriented programming)|forwarding methods]] (this is true in most programming languages, but not all; see {{section link|#Avoiding drawbacks}}). In contrast, inheritance does not require all of the base class's methods to be re-implemented within the derived class. Rather, the derived class only needs to implement (override) the methods having different behavior than the base class methods. This can require significantly less programming effort if the base class contains many methods providing default behavior and only a few of them need to be overridden within the derived class.
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