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What are covariant return types?

April 26, 2017covariant Return types

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What are covariant return types?

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Return types of overriding methods where the supertype method’s return type is a supertype of the subtype method’s return type.

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Simply put, covariant return types allow derived classes to change the return type of an overriden method to return a type that is a subtype of the return type of the base class method. C++ allows this, currently Java does not.