Consider the class Student below. Which XXX is valid code?

class Student $\{$

public:

void SetName$($string studentName$)$;

void SetGrade$($int studentGrade$)$;

void Display$()$;

private:

string name;

int grade;

$\}$;

int main$()\{$

Student student$1$;

XXX

$...$

$\}$

Group of answer choices

student$1.$Display$()$;

student$1.$name $=$ "Harry";

myString $=$ student$1.$name;

student$1.$SetGrade$("$Harry$")$;