Consider the following class definitions:

In $\_\_\_\_$ the same expression is used to denote different operations.

Group of answer choices

Inheritance

Encapsulation

Polymorphism

Composition

$$

class bClass

$\{$

public:

$$ void setX$($int a$)$;

$//$Postcondition: x $=$ a;

$$ void print$()$ const;

private:

$$ int x;

$\}$;

class dClass: public bClass

$\{$

public:

$$ void setXY$($int a$,$ int b$)$;

$//$Postcondition: x $=$ a; y $=$ b;

$$ void print$()$ const;

private:

$$ int y;

$\}$;

Which of the following correctly sets the values of x and y$?$

Group of answer choices

void dClass::setXY$($int a$,$ int b$)$

$\{$

$$ bClass::setX$($a$)$;

$$ y $=$ b;

$\}$

void dClass::setXY$($int a$,$ int b$)$

$\{$

$$ x $=$ a;

$$ y $=$ b;

$\}$

void dClass::setXY$($int a$,$ int b$)$

$\{$

$$ x $=$ bClass::setX$($a$)$;

$$ y $=$ bClass::setY$($b$)$;

$\}$

void dClass::setXY$($int a$,$ int b$)$

$\{$

$$ x $=$ bClass.setX$($a$)$;

$$ b $=$ y;

$\}$