tYSR20

Chapter 15: Protecting Members: Do Not Disturb 203The remaining members of Student can be declared protected to keep otherfunctions’ prying expressions out of Student’s business.class Student{public:// grade - return the current grade point averagefloat grade(){return gpa;}// hours - return the number of semester hoursint hours(){return semesterHours;}// addCourse - add another course to the student’s recordfloat addCourse(int hours, float grade);// the following members are off-limits to othersprotected:int semesterHours; // hours earned toward graduationfloat gpa;// grade point average};Now the members semester hours and gpa are accessible only to othermembers of Student. Thus, the following doesn’t work:Student s;int main(int argcs, char* pArgs[]){// raise my grade (don’t make it too high; otherwise, no// one would believe it)s.gpa = 3.5;//