Chapter 1

#include “stdafx.h”
using namespace System;

#include <iostream>
using namespace std;

int main(<System::String ^> ^args)
{
   cout << "Hello, World!" << endl;
   Console::ReadKey();
   return 0;
}

Chapter 3

// Chapter3.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
	int grade1, grade2, grade3, grade4, grade5, 
          sumOfGrades, numOfGrades;
	double average = 0.0;
	grade1 = 84;
	grade2 = 89;
	grade3 = 77;
	grade4 = 94;
	grade5 = 88;
	numOfGrades = 5;
	sumOfGrades = grade1 + grade2 + grade3 + grade4 
                   + grade5;
	average = sumOfGrades / numOfGrades;
	cout << "The average is: " << average << endl;
	Console::ReadKey();
     return 0;
}

Chapter 4

// avgGrades.cpp : main project file.

#include "stdafx.h"
using namespace System;
#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
	int grade1, grade2, grade3, grade4, grade5, 
         totalGrades;
	double average;
	const int numGrades = 5;
	grade1 = 78;
	grade2 = 85;
	grade3 = 92;
	grade4 = 99;
	grade5 = 81;
	totalGrades = grade1 + grade2 + grade3 + grade4 
                    + grade5;
	average = totalGrades / numGrades;
	cout << "The average is: " << average << endl;
	Console::ReadKey();
	return 0;
}

// countCoins.cpp : main project file.
#include "stdafx.h"
using namespace System;
#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
	double total;
	const double penny = .01;
	const double nickel = .05;
	const double dime = .10;
	const double quarter = .25;
	total = (3 * quarter) + (6 * dime) + (5 * nickel) 
               + (7 * penny);
	cout << "The total amount of change is: $" << total 
           << endl;
     Console::ReadKey();
     return 0;
}

// votePercent.cpp : main project file.
#include "stdafx.h"
using namespace System;
#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
	const int totalVotes = 500000;
	const double candVotePercent = .60;
	const double inValidPercent = .15;
	double validVotes, candVotes;
	validVotes = totalVotes - (totalVotes *
                  inValidPercent);
	candVotes = validVotes * candVotePercent;
	cout << "The candidate received " << candVotes 
           << " votes.";
	Console::ReadKey();
     return 0;
}

Chapter 6

// GradeRange.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

int main(array<System::String ^> ^args)
{
     int numGrade;
	string letterGrade;
	cout << "Enter a numeric grade: ";
	cin >> numGrade;
	if ((numGrade >= 97) && (numGrade <= 100))
		letterGrade = "A+";
	else if ((numGrade >= 94) && (numGrade <= 96))
		letterGrade = "A";
	else if ((numGrade >= 90) && (numGrade <= 93))
		letterGrade = "A-";
	else if ((numGrade >= 87) && (numGrade <= 89))
		letterGrade = "B+";
	else if ((numGrade >= 84) && (numGrade <= 86))
		letterGrade = "B";
	else if ((numGrade >= 80) && (numGrade <= 83))
		letterGrade = "B-";
	else if ((numGrade >= 77) && (numGrade <= 79))
		letterGrade = "C+";
	else if ((numGrade >= 74) && (numGrade <= 76))
		letterGrade = "C";
	else if ((numGrade >= 70) && (numGrade <= 73))
		letterGrade = "C-";
	else if ((numGrade >= 67) && (numGrade <= 69))
		letterGrade = "D+";
	else if ((numGrade >= 64) && (numGrade <= 66))
		letterGrade = "D";
	else if ((numGrade >= 60) && (numGrade <= 63))
		letterGrade = "D-";
	else
		letterGrade = "F";
	cout << "The letter grade is " << letterGrade 
           << "." << endl;
	Console::ReadKey();
     return 0;
}

// pigLatin.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

int main(array<System::String ^> ^args)
{
     string word, letter;
	cout << "Enter a word: ";
	cin >> word;
	letter = word.substr(0,1);
	if ((letter == "a") || (letter == "e") ||  
         (letter == "i") || (letter == "o") || 
         (letter == "u"))
		cout << letter << " is a vowel";

	else
		cout << letter << " is a consonant";
	Console::ReadKey();
     return 0;
}

Chapter 7

// WhileLoop.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
     int number, sum;
	number = 1;
	sum = 0;
	while (number <= 10)
	{
		sum += number;
		++number;
	}
	cout << "The sum of 1 – 10 is " << sum << endl;
	Console::ReadKey();
     return 0;
}

// textFile.cpp : main project file.
#include "stdafx.h"
using namespace System;
#include <iostream>
#include <fstream>
#include <string>
using namespace std;

int main(array<System::String ^> ^args)
{
     ifstream myFile;
	string line;
	myFile.open("example.txt");
	while (!myFile.eof())
	{
		getline(myFile, line);
		cout << line << endl;
	}
	myFile.close();
	Console::ReadKey();
     return 0;
}

// readTemps.cpp : main project file.

#include "stdafx.h"

using namespace System;
#include <iostream>
#include <fstream>
using namespace std;

int main(array<System::String ^> ^args)
{
 
	ifstream temps;
	int temp, totalTemps, numTemps;
	double average;
	totalTemps = numTemps = 0;
	temps.open("c:\\data\\temperatures.txt");
	while (!temps.eof()) 
	{
		temps >> (int)temp; // cast to int
		totalTemps += temp;
		++numTemps;
	}



	average = totalTemps / numTemps;
	cout << "The average temperature is: "<< average 
          << endl;
	Console::ReadKey();
     return 0;
}

// AverageGrade.cpp : main project file.

#include "stdafx.h"

using namespace System;
#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
	int testScore, total, count;
	double average;
     total = 0;
     count = 0;
	cout << "Enter a test score (-1 to quit): ";
	cin >> testScore;
	while (testScore != -1)
	{
		total += testScore;
		++count;
		cout << "Enter a test score (-1 to quit): ";
		cin >> testScore;
	}
	average = total / count;
	cout << endl <<  "The average test score is: " 
          << average << endl;
	Console::ReadKey();
     return 0;
}

// ForLoop.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
     for(int i = 1; i <= 10; ++i)
	{
		cout << i << " ";
	}
	Console::ReadKey();
     return 0;
}

// ForLoop.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
	double rate = 1.02;
	double principal = 10000;
	for(int i = 1; i <=10; ++i)
	{
		principal *= rate;
	}
	cout << "After 10 years, $10,000 invested at 2%"    
          << " annually will be worth: $" 
          << principal << endl;
	Console::ReadKey();
	return 0;
}

// ForLoop.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;


int main(array<System::String ^> ^args)
{
     string sentence = "Now is the time for all good" 
	sentence += " people to come to the aid of "   
     sentence += " their party.";
	int vowelCount = 0;
	string letter = "";
	int strLen = sentence.size();
	for(int i = 0; i < strLen; ++i)
	{
		letter = sentence.substr(i,1);
		if ((letter.compare("a") == 0) ||
			(letter.compare("e") == 0) ||
			(letter.compare("i") == 0) ||
			(letter.compare("o") == 0) ||
			(letter.compare("u") == 0))
			++vowelCount;
	}
	cout << "Number of vowels in the sentence is: " 
          << vowelCount << endl;
	Console::ReadKey();
     return 0;
}

// ForLoop.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

int main(array<System::String ^> ^args)
{
    int product;
	for(int leftOp = 1; leftOp <= 5; ++leftOp)
	{
		for(int rightOp = 1; rightOp <= 5; ++ rightOp)
		{
			product = leftOp * rightOp;
			cout << leftOp << " x " << rightOp << " = " 
                     << product << "\t";
		}
		cout << endl;
	}
	Console::ReadKey();
    return 0;
}

Chapter 8

// Vector.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <vector>
using namespace std;

int main(array<System::String ^> ^args)
{
     vector<int> numbers;
	for(int i = 1; i <= 10; ++i)
	{
		numbers.push_back(i);
	}
	int sum = 0;
	for(int i = 0; i < numbers.size(); ++i)
	{
		sum += numbers[i];
	}
	cout << "The sum of the integers 1 to 10 is: " 
          << sum << endl;
	Console::ReadKey();
     return 0;
}

// RandomNumber.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
     srand(time(NULL));
	int numberToGuess = rand() % 10 + 1;
	int guess;
	cout << "Enter a guess: ";
	cin >> guess;
	if (guess == numberToGuess)
		cout << "Right!";
	else
		cout << "Wrong. The number was " 
                << numberToGuess;
	Console::ReadKey();
     return 0;
}

// Vector.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <vector>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
     vector<int> numbers;
	srand(time(NULL));
	for(int i = 1; i <= 1000; ++i)
	{ 
		numbers.push_back(rand() % 100 + 1);
	}
	// display the numbers in the vector
	for(int i = 0; i < numbers.size(); ++i)
	{
		cout << numbers[i] << " ";
	}
	unsigned int sum = 0;
	for(int i = 0; i < numbers.size(); ++i)
	{
		sum += numbers[i];
	}
	cout << endl << endl << "The sum is: " << sum 
           << endl;
	Console::ReadKey();
     return 0;
}

Chapter 9

// square.cpp : main project file.

#include "stdafx.h"
using namespace System;
#include <iostream>
using namespace std;

int square(int number)
{
	return number * number;
}

int main(array<System::String ^> ^args)
{
	int num;
	cout << "Enter a number to square: ";
	cin >> num;
	cout << num << " squared is " << square(num) << endl;
	Console::ReadKey();
     return 0;
}

// Power.cpp : main project file.

#include "stdafx.h"
using namespace System;
#include <iostream>
using namespace std;

int power(int base, int exp)
{
	int number = 1;
	for(int i = 1; i <= exp; ++i) {
		number *= base;
	}
	return number;
}

int main(array<System::String ^> ^args)
{
    for(int i = 1; i <= 10; ++i) {
		cout << i << "\t" << power(2,i) << endl;
	}
	Console::ReadKey();
    return 0;
}

// Swap.cpp : main project file.

#include "stdafx.h"

using namespace System;

#include <iostream>
using namespace std;

void swap(string word1, string word2) 
{
	string temp = word1;
	word1 = word2;
	word2 = temp;
}

int main(array<System::String ^> ^args)
{
	string word1, word2;
	word1 = "banana";
	word2 = "apple";
	cout << word1 << " " << word2 << endl;
	swap(word1, word2);
	cout << word1 << " " << word2 << endl;
	Console::ReadKey();
    return 0;
}

// Swap.cpp : main project file.

#include "stdafx.h"

using namespace System;

#include <iostream>
#include <string>
using namespace std;

void swap(string &word1, string &word2) 
{
	string temp = word1;
	word1 = word2;
	word2 = temp;
}

int main(array<System::String ^> ^args)
{
	string word1, word2;
	word1 = "banana";
	word2 = "apple";
	cout << word1 << " " << word2 << endl;
	swap(word1, word2);
	cout << word1 << " " << word2 << endl;
	Console::ReadKey();
     return 0;
}

// ScopeExample.cpp : main project file.

#include "stdafx.h"

using namespace System;
#include <iostream>
using namespace std;

int changeNumber(int number) 
{
   number *= 3;
   cout << "The value of number in the changeNumber()"     
   cout << " function is: " << number << endl;
   return number;
}

int main()
{
   int number = 3;
   cout << changeNumber(number);
   cout << endl << "The value of number in the main()" 
   cout << " function is: " << number << endl;
   Console::ReadKey();
   return 0;
}

// GlobalScope.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int number = 1; // global variable

int changeNumber()
{
	number += 5;
	return number;
}

int main(array<System::String ^> ^args)
{
    cout << "The value of number is: " << number 
         << endl;
    number = changeNumber();
    cout << "Now the value of number is: " 
         << number << endl;
    Console::ReadKey();
    return 0;
}

// BlockScope.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
    for(int i = 1; i <= 10; ++i)
	{
		cout << "The value of i in the loop is: " 
                << i << endl;
	}
	Console::ReadKey();
     return 0;
}

// BlockScope.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
     int number = 1;
	cout << "The value of number is: " << number 
          << endl;
	{
		int number = 100;
		cout << "The value of number in this block"       
                << " is: " << number << endl;
	}
	number += 4;
	cout << "The value of number is: " << number << endl;
	Console::ReadKey();
     return 0;
}

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <vector>
using namespace std;

void DisplayVector(vector<int> n)
{
	for(int i = 0; i < n.size(); ++i)
	{
		cout << n[i] << " ";
	}
     cout << endl;
}

int main(array<System::String ^> ^args)
{
     vector<int> numbers;
	for(int i = 1; i <= 10; ++i)
	{
		numbers.push_back(i);
	}
	DisplayVector(numbers);	
	Console::ReadKey();
	return 0;
}

// VectorFunctions.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <vector>
#include <cstdlib>
#include <ctime>
using namespace std;

void DisplayVector(vector<int> n)
{
	for(int i = 0; i < n.size(); ++i)
	{
		cout << n[i] << " ";
	}
	cout << endl;
}

int SumVector(vector<int> n)
{
	int sum = 0;
	for(int i = 0; i < n.size(); ++i)
	{
		sum += n[i];
	}
	return sum;
}

void CurveGrades(vector<int> &n)
{
	for(int i = 0; i < n.size(); ++i)
	{
		n[i] += 5; // add 5 to each vector element
	}

}

int main(array<System::String ^> ^args)
{
     vector<int> grades;
	srand(time(NULL));
	for(int i = 1; i <= 10; ++i)
	{
		grades.push_back(rand() % 100 + 1);
	}
	DisplayVector(grades);
	CurveGrades(grades);
	DisplayVector(grades);
	Console::ReadKey();
	return 0;
}

Chapter 10

// Arrays.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
     int numbers[10];
	const int sizeNumbers = 10;
	for(int i = 0; i < sizeNumbers; ++i) {
		numbers[i] = i + 1;
	}
	cout << "Element" << "\t" << "Value" << endl << endl;
	for(int i = 0; i < sizeNumbers; ++i) {
		cout << i << "\t" << numbers[i] << endl;
	}
	Console::ReadKey();
     return 0;
}

// avgTemp.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
     const int numTemps = 7;
	int temps[] = {85, 77, 81, 86, 89, 92, 87};
	double average = 0.0;
	int total = 0;
	for(int i = 0; i < numTemps; ++i) {
		total += temps[i];
	}
	average = total / numTemps;
	cout << "The average temperature was: " 
          << average 

          << endl;
	Console::ReadKey();
     return 0;
}

// minMax.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
     int min, max;
	const int size = 100;
	int numbers[size];
	
	srand(time(NULL));
	// initialize the array
	for(int i = 0; i < size; ++i) {
		numbers[i] = rand() % 100 + 1;
	}
	min = numbers[0];
	max = numbers[0];
	// search for min and max
	for(int i = 0; i < (size-1); ++i) {
		if (numbers[i+1] < min)
			min = numbers[i+1];
		if (numbers[i+1] > max)
			max = numbers[i+1];
	}
	cout << "The minimum value in the array is " 
          << min << endl
	     << "The maximum value in the array is " 
          << max << endl;
     // display the values
	for(int i = 0; i < size; ++i) {
		cout << numbers[i] << " ";
	}
	Console::ReadKey();
     return 0;
}

// Array2D.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
     const int rows = 5;
	const int cols = 5;
	int total = 0;
	double average = 0.0;
	int grades[rows][cols] = {{75, 82, 84, 79, 91}, 
                               {85, 81, 94, 96, 89}, 
                               {92, 91, 94, 89, 90}, 
	                          {74, 72, 81, 78, 80}, 
                               {84, 82, 82, 83, 81}};
	for(int r = 0; r < rows; ++r) {
		cout << "Student " << r+1 << ": ";
		for(int c = 0; c < cols; ++c) {
			cout << grades[r][c] << " ";
			total += grades[r][c];
		}
		average = total / cols;
		cout << "Average: " <<  average << endl;
		total = 0;
		average = 0.0;
	}
	Console::ReadKey();
     return 0;
}

// Array2D.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
    const int rows = 5;
	const int cols = 5;
	int total = 0;
	double average = 0.0;
	int grades[rows][cols] = {{75, 82, 84, 79, 91}, 
	{85, 81, 94, 96, 89}, {92, 91, 94, 89, 90}, 
	{74, 72, 81, 78, 80}, {84, 82, 82, 83, 81}};
	for(int r = 0; r < rows; ++r) {
		cout << "Student " << r+1 << ": ";
		for(int c = 0; c < cols; ++c) {
			cout << grades[r][c] << " ";
			total += grades[r][c];
		}
		average = total / cols;
		cout << "Average: " <<  average << endl;
		total = 0;
		average = 0.0;
	}
	cout << endl << "Test Averages: " << endl;
	total = 0;
	average = 0.0;
	for(int c = 0; c < cols; ++c) {
       cout << "Test " << c+1 << ": ";
	   for(int r = 0; r < rows; ++r) {
		   cout << grades[r][c] << " ";
		   total += grades[r][c];
	   }
	   average = total / rows;
	   cout << "Average: " << average << endl;
	   total = 0;
	   average = 0.0;
	}
	Console::ReadKey();
     return 0;
}

Chapter 11

// NameClass.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

class Name
{
   private:
   string first, middle, last;

   public:
   
   void setName(string firstName, string middleName,
                string lastName)
   {
      first = firstName;
      middle = middleName;
      last = lastName;
   }

   string getName() 
   {
      return first +  " " + middle + " " + last;
   }
};

int main(array<System::String ^> ^args)
{
	Name aName;
	aName.setName("John", "Quincy", "Adams");
	cout << aName.getName() << endl;
	Console::ReadKey();
    return 0;
}

// NameClass.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

class Name
{
   private:
   string first, middle, last;

   public:
   
    Name() 
	{
		first = "";
		middle = "";
		last = "";
	}
    Name(string firstName, string middleName, 
	    string lastName)
    {
	    first = firstName;
	    middle = middleName;
	    last = lastName;
    }

	Name(string firstName, string lastName) 
	{
		first = firstName;
		middle = "";
		last = lastName;
	}

	Name(string lastName) 
	{
		first = "";
		middle = "";
		last = lastName;
	}

	void setFirst(string firstName) 
	{
		first = firstName;
	}

	void setMiddle(string middleName)
	{
		middle = middleName;
	}

	void setLast(string lastName)
	{
		last = lastName;
	}

     void setName(string firstName, string middleName,
                 string lastName)
     {
        first = firstName;
        middle = middleName;
        last = lastName;
     }

	string getFirst() 
	{ 
		return first;
	}

	string getMiddle()
	{
		return middle;
	}

	string getLast()
	{
		return last;
	}

     string getName() 
     {
       return first +  " " + middle + " " + last;
     }

     string getInitials() 
     {
       return first.substr(0,1) + 
              middle.substr(0,1) + 
              last.substr(0,1);
     }
};

int main(array<System::String ^> ^args)
{
	Name myName("Mary", "Alice", "Smith");
	cout << myName.getName() << endl;
	// Mary gets married to Joe Brown
	myName.setLast("Brown");
	cout << myName.getName() << endl;
	cout << "The first name in myName is: " 
          << myName.getFirst() 
          << endl;
	cout << "The middle name in myName is: " 
          << myName.getMiddle() << endl;
	cout << "The last name in myName is: " 
          << myName.getLast() << endl;
     cout << "myName's initials are: " 
          << myName.getInitials() << endl;
	Console::ReadKey();
     return 0;
}

// Name class header file
#include <string>
using namespace std;

class Name
{
private:
	string first, last, middle;

public:
	Name();
	Name(string, string, string);
	Name(string, string);
	Name(string);
	void setFirst(string);
	void setMiddle(string);
	void setLast(string);
	void setName(string, string, string);
	string getFirst();
	string getMiddle();
	string getLast();
	string getName();
	string getInitials();
};

// Name class source file
#include "stdafx.h"
using namespace System;

#include "Name.h"

Name::Name() 
{
	first = "";
	middle = "";
	last = "";
}

Name::Name(string firstName, string middleName, 
           string lastName)
{
    first = firstName;
    middle = middleName;
    last = lastName;
}

Name::Name(string firstName, string lastName) 
{
	first = firstName;
	middle = "";
	last = lastName;
}

Name::Name(string lastName) 
{
	first = "";
	middle = "";
	last = lastName;
}

void Name::setFirst(string firstName) 
{
	first = firstName;
}

void Name::setMiddle(string middleName)
{
	middle = middleName;
}

void Name::setLast(string lastName)
{
	last = lastName;
}

void Name::setName(string firstName, 
                   string middleName,
                   string lastName)
{
    first = firstName;
    middle = middleName;
    last = lastName;
}

string Name::getFirst() 
{ 
	return first;
}

string Name::getMiddle()
{
	return middle;
}

string Name::getLast()
{
	return last;
}

string Name::getName() 
{
   return first +  " " + middle + " " + last;
}

string Name::getInitials() 
{
	return first.substr(0,1) + middle.substr(0,1) + 
            last.substr(0,1);
}

// Test program for Name class
// NameClass.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

#include "Name.h"

int main(array<System::String ^> ^args)
{
	Name myName("Mary", "Alice", "Smith");
	cout << myName.getName() << endl;
	// Mary gets married to Joe Brown
	myName.setLast("Brown");
	cout << myName.getName() << endl;
	cout << "The first name in myName is: " 
          << myName.getFirst() 
          << endl;
	cout << "The middle name in myName is: " 
          << myName.getMiddle()  
          << endl;
	cout << "The last name in myName is: " 
          << myName.getLast() 
          << endl;
	cout << "myName's initials are: " 
          << myName.getInitials() 
          << endl;
	Console::ReadKey();
     return 0;
}

// Header file for List class
#include <iostream>
using namespace std;

class List
{
private:
	vector<int> datastore;
	int numItems;
public:
	List();
	void add(string);
	void clear();
	void display();
	int count();
};

// Source file for List class
#include "stdafx.h"
using namespace System;
#include "List.h"

List::List() 
{
	vector<string> datastore;
	int numItems = 0;
}

void List::add(string item)
{
	datastore.push_back(item);
}

void List::clear()
{
	datastore.clear();
}

string List::display() 
{
	string items = "";
	for(int i = 0; i < datastore.size(); ++i) {
		items += datastore[i];
		items += " ";
	}
	return items;
}

int List::count()
{
	return datastore.size();
}

// Test program for List class
// ListClass.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

#include "List.h"

int main(array<System::String ^> ^args)
{
     List groceries;
	groceries.add("milk");
	groceries.add("bread");
	groceries.add("eggs");
	cout << "First list: " << endl;
	cout << groceries.display() << endl;
	cout << "Number of items in list: " 
		<< groceries.count() 
          	<< endl;
	groceries.clear();
	groceries.add("cereal");
	groceries.add("coffee");
	groceries.add("apples");
	groceries.add("ice cream");
	cout << endl << "Second list: " << endl;
     	cout << groceries.display() << endl;
	cout << "Number of items in list: " 
     	     << groceries.count() << endl;
	Console::ReadKey();
	return 0;
}

Chapter 12

// CreateFile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <fstream>
using namespace std;

int main(array<System::String ^> ^args)
{
     ofstream outFile("c:\\data\\grades.txt");
	outFile << 85;
	outFile << endl;
	outFile << 77;
	outFile.close();
	Console::ReadKey();
     return 0;
}

// CreateFile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <fstream>
using namespace std;

int main(array<System::String ^> ^args)
{
     ofstream outFile("c:\\data\\grades.txt");
 	int grade;
	cout << "Enter a grade (-1 to quit): ";
	cin >> grade;
	while (grade > -1)
	{
	   outFile << grade << endl;
	   cout << "Enter a grade (-1 to quit): ";
	   cin >> grade;

	}
	outFile.close();
	Console::ReadKey();
     return 0;
}

// ReadFile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <fstream>
using namespace std;

int main(array<System::String ^> ^args)
{
     ifstream inFile("c:\\data\\grades.txt");
	int grade;
	inFile >> grade;
	cout << grade << endl;
	inFile >> grade;
	cout << grade << endl;
	inFile.close();
	Console::ReadKey();
     return 0;
}

// ReadFile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <fstream>
using namespace std;

int main(array<System::String ^> ^args)
{
     ifstream inFile("c:\\data\\grades.txt");
	int grade;
	while (!inFile.eof())
	{
		inFile >> grade;
		cout << grade << endl;
	}
	inFile.close();
	Console::ReadKey();
     return 0;
}

// ReadFile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <fstream>
using namespace std;

int main(array<System::String ^> ^args)
{
     ifstream inFile("c:\\data\\grades.txt");
	int grade, total, numGrades;
	double average;
	total = numGrades = 0;
	while (!inFile.eof())
	{
		inFile >> grade;
		cout << grade << " ";
		total += grade;
		++numGrades;
	}
	inFile.close();
	average = total / numGrades;
	cout << endl << "The average grade is: " 
          << average << endl;
	Console::ReadKey();
     return 0;
}

// AppendFile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <fstream>
using namespace std;

int main(array<System::String ^> ^args)
{
     ofstream outFile("c:\\data\\grades.txt", 
                      ios::app);
     outFile << endl; // next grade on new line
	int grade = 0;
	cout << "Enter a grade (-1 to quit): ";
	cin >> grade;
	while (grade > -1)
	{
		outFile << grade << endl;
		cout << "Enter a grade (-1 to quit): ";
		cin >> grade;
	}

	outFile.close();
	Console::ReadKey();
     return 0;
}

Chapter 13

// Switch.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
     	char letterGrade;
	cout << "Enter your letter grade: ";
	cin >> letterGrade;
	switch (letterGrade)
	{
	case 'A':
		cout << "A grade is in the range of 90-100." 
                << endl;
		break;
	case 'B':
		cout << "B grade is in the range of 80-89." 
                << endl;
		break;
	case 'C':
		cout << "C grade is in the range of 70-79." 
                << endl;
		break;
	case 'D':
		cout << "D grade is in the range of 60-69." 
                << endl;
		break;
	case 'F':
		cout << "A F grade is in the range of 0-59." 
                << endl;
		break;
	default:
		cout << "The letter grade must be A-D,"
           cout << " or F." << endl;
	}
	Console::ReadKey();
	return 0;
}

// Switch.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
	char letterGrade;
	cout << "Enter your letter grade: ";
	cin >> letterGrade;
	switch (letterGrade)
	{
	case 'A':
	case 'B':
	case 'C':
	case 'D':
		cout << "You passed the test!" << endl;
		break;
	case 'F':
		cout << "Sorry, you failed the test." 
                << endl;
		break;
	default:
		cout << "Enter a valid letter grade." 
                << endl;
	}
	Console::ReadKey();
     	return 0;
}

// isVowel.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

bool isVowel(char letter)
{
	switch (letter)
	{
	case 'a': case 'A': case 'e': case 'E': case 'i': 
     	case 'I': 	case 'o': case 'O': case 'u': 
     	case 'U':
		return true;
		break;
	default:
		return false;
	}
}

int main(array<System::String ^> ^args)
{
     string sentence;
	char ltr;
	int numVowels = 0;
	cout << "Enter a sentence: ";
	getline(cin, sentence);
	for(int i = 0; i < sentence.size(); ++i) 
	{
		ltr = sentence[i];
		if (isVowel(ltr))
			++numVowels;
	}
	cout << "There are " << numVowels 
           << " vowels in the sentence.";
	Console::ReadKey();
     return 0;
}

// DoWhile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
	int op1, op2, result, answer;
	char quit;
	srand(time(NULL));
	op1 = rand() % 100 + 1;
	op2 = rand() % 100 + 1;
	result = op1 + op2;
	cout << "What is " << op1 << " + " << op2 << "? ";
	cin >> answer;
	if (result == answer)  
		cout << endl << "Right!";

	else
		cout << "Sorry. That is wrong.";
	
	cout << "Another problem (y or n)?";
	cin >> quit;
	while (quit != 'n')
	{
		op1 = rand() % 100 + 1;
		op2 = rand() % 100 + 1;
		result = op1 + op2;
		cout << "What is " << op1 << " + " << op2 
                << "? ";
		cin >> answer;
		if (result == answer)  
			cout << endl << "Right! ";
		else 
			cout << "Sorry. That is wrong.";
		cout << " Another problem (y or n)?";
		cin >> quit;
	}
	cout << endl 
           << "Thanks for practicing your addition." 
           << endl;
	Console::ReadKey();
     return 0;
}

// DoWhile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
	int op1, op2, result, answer;
	char quit;
	srand(time(NULL));
	do
	{
		op1 = rand() % 100 + 1;
		op2 = rand() % 100 + 1;
		result = op1 + op2;
		cout << "What is " << op1 << " + " << op2 
                << "? ";
		cin >> answer;
		if (result == answer)  
			cout << endl << "Right! ";
		else 
			cout << "Sorry. That is wrong.";
		cout << "Another problem (y or n)?";
		cin >> quit;
	} while (quit != 'n');
	cout << endl 
           << "Thanks for practicing your addition." 
           << endl;
	Console::ReadKey();
     return 0;
}

// DoWhile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
	double balance, rate;
	int years = 0;	
	balance = 5000;
     // Enter 1.02 for 2%
	cout << "What is the interest rate? ";
	cin >> rate;
	while (balance < 10000)
	{ 
		balance *= rate;
		++years;
	}
	cout << "It will take " << years 
           << " to reach $10,000.00." << endl;
	Console::ReadKey();
     return 0;
}

// DoWhile.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
	double balance, rate;
	int years = 0;	
	balance = 5000;
     // Enter 1.02 for 2%
	cout << "What is the interest rate? ";
	cin >> rate;
	do
	{ 
		balance *= rate;
		++years;
	} while (balance < 10000);
	cout << "It will take " << years 
           << " to reach $10,000.00." << endl;
	Console::ReadKey();
     return 0;
}

Chapter 14

// PointerExample1.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
using namespace std;

int main(array<System::String ^> ^args)
{
	int num = 100;
	int *ptrNum;
	ptrNum = &num;
	cout << "The memory address of num: " 
     	     << ptrNum << endl;
	cout << "The value stored in num: " 
     	     << *ptrNum << endl;
	Console::ReadKey();
     	return 0;
}

// Swap.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

void swap(string &word1, string &word2) 
{
	string temp = word1;
	word1 = word2;
	word2 = temp;
}

int main(array<System::String ^> ^args)
{
	string word1, word2;
	word1 = "banana";
	word2 = "apple";
	cout << word1 << " " << word2 << endl;
	swap(word1, word2);
	cout << word1 << " " << word2 << endl;
	Console::ReadKey();
     return 0;
}

// Swap.cpp : main project file.

#include "stdafx.h"

using namespace System;

#include <iostream>
#include <string>
using namespace std;

void swap(string *word1, string *word2) 
{
	string temp;
	temp = *word1;
	*word1 = *word2;
	*word2 = temp;
}

int main(array<System::String ^> ^args)
{
	string word1, word2;
	word1 = "banana";
	word2 = "apple";
	cout << word1 << " " << word2 << endl;
	swap(word1, word2);
	cout << word1 << " " << word2 << endl;
	Console::ReadKey();
     return 0;
}

// PointersAndArrays.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
	int nums[100];
	srand(time(NULL));
     	const int size = 100;
	for(int i = 0; i < size; ++i)
        nums[i] = rand() % 100 + 1;
	cout << nums[0] << endl;
	int *ptrNums;
	ptrNums = &nums[0];
	cout << *ptrNums;
	Console::ReadKey();
     	return 0;
}

// PointersAndArrays.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
     int nums[100];
	srand(time(NULL));
     const int size = 100;
	for(int i = 0; i < size; ++i)
		nums[i] = rand() % 100 + 1;
	cout << nums[0] << endl;
	cout << *nums << endl;
	Console::ReadKey();
     return 0;
}

// PointersAndArrays.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
     int nums[100];
	const int size = 100;
	srand(time(NULL));
	for(int i = 0; i < size; ++i)
		nums[i] = rand() % 100 + 1;
	cout << "The first element: " << *(nums+0) << endl;
	cout << "The second element: " << *(nums+1) << endl;
	cout << "Accessing the second element ";
	cout << " without parentheses: " << *nums+1 << endl;
	Console::ReadKey();
     return 0;
}

// PointersAndArrays.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

int main(array<System::String ^> ^args)
{
     int nums[100];
	const int size = 100;
	srand(time(NULL));
	for(int i = 0; i < size; ++i)
		nums[i] = rand() % 100 + 1;
	for(int i = 0; i < size; ++i)
		cout << *(nums+i) << " ";
	Console::ReadKey();
     return 0;
}

Chapter 15

// EmployeeClass.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

class Employee
{
private:
	string empName;
	double pay;

public:
	Employee(string name, double payRate)
	{
		empName = name;
		pay = payRate;
	}

	string getName() 
	{ 
		return empName;
	}

	double getPay()
	{
		return pay;
	}

	double grossPay(int hours)
	{
		return pay * hours;
	}
};

int main(array<System::String ^> ^args)
{
     Employee emp1("Mary Smith", 15.0);
	cout << "Employee name: " << emp1.getName() << endl;
	cout << "Pay rate: " << emp1.getPay() << endl;
	cout << "Gross pay: " << emp1.grossPay(40) << endl; 
	Console::ReadKey();
     return 0;
}

// EmployeeClass.cpp : main project file.

#include "stdafx.h"
using namespace System;

#include <iostream>
#include <string>
using namespace std;

class Employee
{
protected:
	string empName;
	double pay;

public:
	Employee(string name, double payRate)
	{
		empName = name;
		pay = payRate;
	}

	string getName() 
	{ 
		return empName;
	}

	double getPay()
	{
		return pay;
	}

	double grossPay(int hours)
	{
		return pay * hours;
	}
};

class Manager : public Employee
{
protected:
	bool salaried;

public:
	Manager(string name, double payRate, 
              bool isSalaried)
		: Employee(name, payRate)
	{
		salaried = isSalaried;
	}

	bool getSalaried()
	{
		return salaried;
	}

	double grossPay(double hours)
	{
		if (salaried)
			return pay;
		else 
			return Employee::grossPay(hours);
	}
};

int main(array<System::String ^> ^args)
{
     Employee emp1("Mary Smith", 15.0);
	cout << "Employee name: " << emp1.getName() 
           << endl;
	cout << "Pay rate: " << emp1.getPay() << endl;
	cout << "Gross pay: " << emp1.grossPay(40) 
           << endl; 
	Manager emp2("Liz Warren", 1500, true);
	cout << "Employee name: " << emp2.getName() 
           << endl;
	cout << "Pay rate: " << emp2.getPay() << endl;
	cout << "Gross pay: " << emp2.grossPay(40) 
           << endl;
	Console::ReadKey();
     return 0;
}

// Date class code only
class Date
{
private:
	int month, day, year;

public:
	Date()
	{
		month = 0;
		day = 0;
		year = 0;
	}

	Date(int m, int d, int y)
	{
		month = m;
		day = d;
		year = y;
	}

	void setDate(int m, int d, int y)
	{
		month = m;
		day = d;
		year = y;
	}

	string getDate()
	{
		stringstream dt;
		dt << month << "/" << day << "/" << year;
		return dt.str();
	}

};

// Employee class code only

class Employee
{
private:
	Name empName;
	Date hireDate;

public:
	Employee(string first, string middle, 
              string last, int m, int d, int y)
	{
		empName.setName(first, middle, last);
		hireDate.setDate(m, d, y);
	}

	string getEmployee()
	{
		return empName.getName() + "\n" + 
                  hireDate.getDate() + "\n";
	}
};