Identify the statement that will throw an error in the following code?
class Student {
public:
void SetName(string studentName);
void Display();
private:
string name;
char grade;
int Grade();
};
void Student::Display() {
grade = Grade();
...
}
int Student::Grade(){
...
}
void SetName(string studentName) {
name = studentName;
}
int main() {
Student stu1;
stu1.Display();
...
stu1.Grade();
}
a. stu1.Grade();
b. stu1.Display();
c. int Student::Grade()
d. void Student::Display() {
grade = Grade();
}
