consider a class named customdata which choice is a correct declaration syntax to overload the postfix operator as a class member 77048

Consider a class named CustomData. Which choice is a correct declaration syntax to overload the postfix ++ operator as a class member?

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  • CustomData& operator++();
  • void operator++(CustomData);
  • CustomData operator++(CustomData);
  • CustomData operator++(int);
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