GradeBook.h
#pragma once #include<string> class GradeBook { public: explicit GradeBook(std::string); void setCourseName(std::string); std::string getCourseName() const; void displayMessage() const; void determineClassAverage() const; private: std::string courseName; };
GradeBook.cpp #include<iostream> #include"GradeBook.h" using namespace std; GradeBook::GradeBook(string name) { setCourseName(name); } void GradeBook::setCourseName(string name) { if (name.size() <= 25) courseName = name; else { courseName = name.substr(0, 25); cerr << "Name \"" << name << "\" execeeds maximum length(25).\n" << "Limitng courseName to first 25 characters.\n" << endl; } } string GradeBook::getCourseName() const { return courseName; } void GradeBook::displayMessage() const { cout << "Welcome to the grade book for\n" << getCourseName() << "!\n" << endl; } void GradeBook::determineClassAverage() const { int total = 0; unsigned int gradeCounter = 1; while (gradeCounter <= 10) { cout << "Enter grade: "; int grade = 0; cin >> grade; total = total + grade; gradeCounter = gradeCounter + 1; } int average = total / 10; cout << "\nTotal of all grades is " << total << endl; cout << "Class average is " << average << endl; }
fig04_10.cpp
#include"GradeBook.h" int main() { GradeBook mygradeBook("CS101 C++ Programming"); mygradeBook.displayMessage(); mygradeBook.determineClassAverage(); system("pause"); return 0; }
