// Fig. 4.7: GradeBook.cpp
// Member-function definitions for class GradeBook that solves the
// class average program with counter-controlled repetition.
#include
using std::cout;
using std::cin;
using std::endl;
#include "GradeBook.h" // include definition of class GradeBook
// constructor initializes courseName with string supplied as argument
GradeBook::GradeBook( string name )
{
setCourseName( name ); // validate and store courseName
} // end GradeBook constructor
// function to set the course name;
// ensures that the course name has at most 25 characters
void GradeBook::setCourseName( string name )
{
if ( name.length() courseName = name; // store the course name in the object
else // if name is longer than 25 characters
{ // set courseName to first 25 characters of parameter name
courseName = name.substr( 0, 25 ); // select first 25 characters
cout } // end if...else
} // end function setCourseName
// function to retrieve the course name
string GradeBook::getCourseName()
{
return courseName;
} // end function getCourseName
// display a welcome message to the GradeBook user
void GradeBook::displayMessage()
{
cout } // end function displayMessage
// determine class average based on 10 grades entered by user
void GradeBook::determineClassAverage()
{
int total; // sum of grades entered by user
int gradeCounter; // number of the grade to be entered next
int grade; // grade value entered by user
int average; // average of grades
// initialization phase
total = 0; // initialize total
gradeCounter = 1; // initialize loop counter
// processing phase
while ( gradeCounter {
cout cin >> grade; // input next grade
total = total + grade; // add grade to total
gradeCounter = gradeCounter + 1; // increment counter by 1
} // end while
// termination phase
average = total / 10; // integer division yields integer result
// display total and average of grades
cout cout } // end function determineClassAverage
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* (C) Copyright 1992-2009 by Deitel & Associates, Inc. and *
* Pearson Education, Inc. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
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* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
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