:Assume you have the following class declarationclass AAA$\{$public:AAA$($int x$1)\{\backslash$times $=$x$1$;$\}$void setX$($int v$)\{$x$=$v;$\}$int getX$(/$return x;$\}$private: int x;$\}$;Error because the class does not define copy constructor a OError because the class has no default constructor b OError because public methods members are defined before private data members of the class c OThere is no error in the class declaration d O