hard20 pts · first answer countscross-platform-mobiledart

dynamic versus Object?

What is the practical difference between declaring a variable as `dynamic` and as `Object?` in Dart?

A.Object? turns off static checks; dynamic needs a cast before calling membersB.There is none; both are aliases for the same top typeC.dynamic cannot hold null, while Object? can hold nullD.dynamic turns off static checks; Object? needs a cast before calling members

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dynamic versus Object?

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