Lecture 7 Examples
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| Program | Demonstrates |
|---|---|
| account.cpp | Demonstration of a C++ class which illustrates a function as a member. |
| account2.cpp | Demonstration of a C++ class which illustrates a function as a member. |
| asgnconv.cpp | Shows the use of a constructor with several defaults to demonstrate a copy constructor and type conversion constructor. |
| bank.h | Shows the definition of the class BankAccount that is with programs which require its objects and it shows the use of static class data members. |
| bank1.cpp | Shows an initializing member function and a member access function. |
| bank2.cpp | Shows how to initialize the objects with a constructor member function using the constructor's arguments.. |
| bank3.cpp | Shows how to initialize the objects with a constructor by default. |
| bank4.cpp | Shows how to initialize the objects with constructor functions which are overloaded. |
| bank5.cpp | Show the use of a constructor function with a default value. |
| bank6.cpp | Shows ho a static data member can be shared by all objects. |
| bank7.cpp | Shows a data member can be an array. |
| bank9.cpp | Shows the use of class pointers and the arrow operator. |
| bank10.cpp | Shows the use of class pointers and pointers as data members. |
| bankaccount.cpp transactions.txt (Data for the program) | Inputs data into an array of object of the class transactions and then displays the data on the screen. |
| bankacnt.cpp | Shows how to initialize class objects with a constructor function with default values in the signature. |
| bankactv.cpp | Shows how static class members can be used to keep track of information about the objects. |
| bnkacnts.cpp | Shows the use of friend functions to permit functions to get access to multiple class objects. |
| bnkacnts2.cpp | Shows that friend functions may be declared in private access section as well as public access section. |
| banktotl.cpp | Shows how class objects can be used as arguments of a member function. |
| bankttl2.cpp | Shows how class objects can be used as arguments and output of a member function. |
| bnkwhedr.cpp | Shows how the class definition can be included in a header like bank.h. |
| callcons.cpp | Shows a constructor may be called by using the assignment operator. |
| circles.cpp | Shows the use of the pointer this using struct and using classes. |
| clock.cpp | Shows an example of a class which simulates the movement of a clock. |
| consdesc.cpp | Shows how constructors and destructors are called in relationship to the calling into existence of main() |
| const.cpp | Shows the use of constant class objects and constant member functions. |
| copy.cpp | Shows the use of a copy constructor. |
| crclclss.cpp | Shows a class circle similar to a previous structure circle |
| date.cpp | Contains the definitions of the methods for the class Date which is defined in the header file date.h |
| date.h | Contains the definition of the class Date and the definition of the methods are in the file date.cpp |
| dateclas.cpp | Shows class with member functions defined inside of the class and therefore should expand inline. |
| defltcon.cpp | Shows a constructor with several default arguments. |
| futrpas2.cpp | Demonstrates the keyword operator with the increment operator ++() and the decrement operator --(). |
| haim3.cpp | Demonstrates that the size of a class does not include the size of any static attributes. |
| newdate.cpp | Demonstrates the keyword operator with the increment operator ++() and the decrement operator --() with the ability to assign the new values to another day in the definition of the class date. In addition it demonstrates the use of the this pointer. |
| invclass.cpp | Shows the concept of nested classes. |
| invclass2.cpp | Shows the use of external header files with class definitions |
| invoice.cpp | Contains the definitions of the methods for the class Invoice which is defined in the header file invoice.h |
| invoice.h, | Contains the definition of the class Invoice and the definition of the methods are in file invoice.cpp. |
| invoice2.cpp | Shows functions where class objects are arguments of a non-member function and are output of a non-member function. |
| invoice3.cpp | Shows functions where class objects are arguments of a non-member function and are output of a non-member function. One of the functions is passing the object by reference. |
| invoice4.cpp | Shows functions where arrays of class objects are passed to a non-member function. |
| nlinclass.cpp | Shows the use of inline functions defined outside of the class definition. |
| prvtfnct.cpp | Shows how member functions can be in the private access section. |
| theAccount.h | Contains the definition of the class Account. |
| theAccount_h.cpp | Contains the member functions for the class Account whose definition is contained in the header file: theAccount.h. This file should be a source file in the project. |
| staticAccount.cpp | Demonstrates that a static attribute may be accessed by the class but not if it is declared in the private access section. |
| staticAccount2.cpp | Demonstrates the access of static attributes by the class name if it is declared in the public access section. |
| stactfnct.cpp | Shows a static member function. |
| this.cpp | Shows the use of the class pointer this. |
| The files for the book inventory program: Design Phase:
Coding Phase:
| Files needed for the inventory example. |
Open table as spreadsheet |
// program_id account2.cpp // author Don Voils // date_written 08/03/2006 // // description Demonstration of a C++ class // which illustrates a function as a member. #include<iostream> #include<iomanip> using namespace std; #include "theAccount.h" void main() { cout << fixed << setprecision(2); Account myAccount; float theAmount; cout << "What was the balance of the account when it started? "; cin >> theAmount; myAccount.settheBalance(theAmount); cout << "What is the amount of the deposit? "; cin >> theAmount; myAccount.doDeposit(theAmount); cout << "What is the amount of the withdrawal? "; cin >> theAmount; myAccount.doWithdrawal(theAmount); cout << "The current balance is $" << myAccount.gettheBalance(); cout << endl << endl; char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id account.cpp // author Don Voils // date_written 08/03/2006 // // description Demonstration of a C++ class // which illustrates a function as a member. // // #include<iostream> #include<iomanip> using namespace std; class Account { private: float theBalance; public: void settheBalance(float); float gettheBalance(); void doDeposit(float); void doWithdrawal(float); }; void Account::settheBalance(float theAmount) { theBalance = theAmount; } float Account::gettheBalance() { return theBalance; } void Account::doDeposit(float theAmount) { theBalance += theAmount; } void Account::doWithdrawal(float theAmount) { theBalance -= theAmount; } void main() { cout << fixed << setprecision(2); Account myAccount; float theAmount; cout << "What was the balance of the account when it started? "; cin >> theAmount; myAccount.settheBalance(theAmount); cout << "What is the amount of the deposit? "; cin >> theAmount; myAccount.doDeposit(theAmount); cout << "What is the amount of the withdrawal? "; cin >> theAmount; myAccount.doWithdrawal(theAmount); cout << "The current balance is $" << myAccount.gettheBalance(); cout << endl << endl; char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id asgnconv.cpp // author don voils // date written 10/8/2006 // // program description This program shows the use of // a constructor with several default // to demonstrate a copy constructor // and type conversion constructor. // #include<iostream> using namespace std; class test { private: int element1, element2, element3, element4; public: test(int e1=1 , int e2=2, int e3=3, int e4=4) { element1=e1; element2=e2; element3=e3; element4=e4; } test(test &a_test) { element1=a_test.element1; element2=a_test.element2; element3=a_test.element3; element4=a_test.element4; } ~test(){ } void show_object(){cout << " e1 = "<< element1 << " e2 = "<< element2 << " e3 = "<< element3 << " e4 = "<< element4;} }; void main(void) { test test0; cout << endl << endl << "Showing Test0 "; test0.show_object(); test test_conversion=5; cout << endl << endl << "Showing type conversion constructor "; test_conversion.show_object(); test test_copy=test0; cout << endl << endl << "Showing copy constructor "; test_copy.show_object(); cout << endl << endl; } // program_id bank1.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // It initializes the objects with // an initilizing function. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: void startAccount(float start_amt) { amount = start_amt; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance(void) { return amount; } }; void main(void) { BankAccount myAccount; cout << "I started my account with $500.00" << endl << endl; myAccount.startAccount(500); cout << "I deposited $2,000.00 in my account" << endl << endl; myAccount.depositSlip(2000.00); cout << "I wrote checks for $700.00 against my account." << endl <<endl; myAccount.withdrawalSlip(700.00); cout << "My account balance is $" << myAccount.showBalance(); char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id bank2.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // It initializes the objects with // a constructor function. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: BankAccount(float start_amt) { amount = start_amt; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float check_amount) { amount -= check_amount; } float showBalance(void) { return amount; } }; void main(void) { cout << "I started my account with $500.00" << endl << endl; BankAccount MyAccount(500); cout << "I deposited $2,000.00 in my account" << endl << endl; MyAccount.depositSlip(2000.00); cout << "I wrote checks for $700.00 against my account." << endl <<endl; MyAccount.withdrawalSlip(700.00); cout << "My account balance is $" << MyAccount.showBalance(); char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id bank3.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // It initializes the objects with // a constructor function. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: BankAccount() { amount = 0; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float check_amount) { amount -= check_amount; } float showBalance() { return amount; } }; void main() { cout << "I started my account at the bank" << endl << endl; BankAccount MyAccount; cout << "I deposited $2,000.00 in my account" << endl << endl; MyAccount.depositSlip(2000.00); cout << "I wrote checks for $700.00 against my account." << endl <<endl; MyAccount.withdrawalSlip(700.00); cout << "My account balance is $" << MyAccount.showBalance(); char resp; cout << endl << endl << "Conitnue? "; cin >> resp; cout << endl << endl; } // program_id bank4.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank_account. // It initializes the objects with // two constructor function which are // overloaded. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: BankAccount() { amount = 0; } BankAccount(float starting_amount) { amount = starting_amount; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float check_amount) { amount -= check_amount; } float showBalance(void) { return amount; } }; void main() { cout << "I started my checking account at the bank" << endl << endl; BankAccount CheckingAccount; cout << "I deposited $2,000.00 in my checking account" << endl << endl; CheckingAccount.depositSlip(2000.00); cout << "I wrote checks for $700.00 against my account." << endl <<endl; CheckingAccount.withdrawalSlip(700.00); cout << "My account balance is $" << CheckingAccount.showBalance() << endl << endl; cout << "I started my savings account at the bank with $5,000" << endl << endl; BankAccount SavingsAccount(5000); cout << "I desposited $3,000.00 in my savings account" << endl << endl; SavingsAccount.depositSlip(3000.00); cout << "I withdrew $1,700.00 from my savings account" << endl << endl; SavingsAccount.withdrawalSlip(1700.00); cout << "My savings balance is $" << SavingsAccount.showBalance() << endl << endl; char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id bank5.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // It initializes the objects with // a constructor function with a // default value. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: BankAccount(float startingAmount=0) { amount = startingAmount; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float check_amount) { amount -= check_amount; } float showBalance() { return amount; } }; void main() { cout << "I started my checking account at the bank" << endl << endl; BankAccount checkingAccount; cout << "I deposited $2,000.00 in my checking account" << endl << endl; checkingAccount.depositSlip(2000.00); cout << "I wrote checks for $700.00 against my account." << endl <<endl; checkingAccount.withdrawalSlip(700.00); cout << "My checking account balance is $" << checkingAccount.showBalance() << endl << endl; cout << "I started my savings account at the bank with $5,000" << endl << endl; BankAccount savingsAccount(5000); cout << "I desposited $3,000.00 in my savings account" << endl << endl; savingsAccount.depositSlip(3000.00); cout << "I withdrew $1,700.00 from my savings account" << endl << endl; savingsAccount.withdrawalSlip(1700.00); cout << "My savings balance is $" << savingsAccount.showBalance() << endl << endl; } // program_id bank6.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class // BankAccount. The class has a // static member number_accounts // which is shared by all objects // and it is used to keep track of // the number of new accounts the // customer has opened. // #include<iostream> using namespace std; class BankAccount { private: float amount; static int numberAccounts; public: BankAccount(void) { amount = 0; ++numberAccounts; } BankAccount(float startingAmount) { amount = startingAmount; ++numberAccounts; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance(void) { return amount; } int showNumberAccounts(void) { return numberAccounts; } }; int BankAccount::numberAccounts = 0; void main() { cout << "I started my checking account at the bank" << endl << endl; BankAccount checkingAccount; cout << "I deposited $2,000.00 in my checking account" << endl << endl; checkingAccount.depositSlip(2000.00); cout << "I wrote checks for $700.00 against my account." << endl <<endl; checkingAccount.withdrawalSlip(700.00); cout << "My account balance is $" << checkingAccount.showBalance() << endl << endl; cout << "I started my savings account at the bank with " << "$5,000" << endl << endl; BankAccount savingsAccount(5000); cout << "I desposited $3,000.00 in my savings account" << endl << endl; savingsAccount.depositSlip(3000.00); cout << "I withdrew $1,700.00 from my savings account" << endl << endl; savingsAccount.withdrawalSlip(1700.00); cout << "My savings balance is $" << savingsAccount.showBalance() << endl << endl; cout << "Thank you for opening the " << checkingAccount.showNumberAccounts() << " accounts." << endl << "We have " << savingsAccount.showNumberAccounts() << " gifts for you one for each account." << endl << "You will be receiving them within " << "the next few days. Again thank you for your " << "business." << endl << endl; } // program_id bank7.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class // BankAccount. Has a data member // which is an array. #include<string> #include<conio.h> #include<iostream> using namespace std; class BankAccount { private: char customer[30]; float amount; public: BankAccount() { strcpy_s(customer,""); amount = 0.00; } BankAccount(float new_amount) { strcpy_s(customer,""); amount = new_amount; } BankAccount(char * newCustomer,float newAmount) { strcpy_s(customer,newCustomer); amount = newAmount; } void setName(char * newCustomer) { strcpy_s(customer,newCustomer); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char* showCustomer() { return customer; } }; void main() { char customer[30]; float amount; short index; for(index=0;index<25;++index) _putch('\n'); cout << "What is the customer's name? "; char resp = _getche(); for(index=0;index<29 && resp!='\r';++index) { customer[index] = resp; resp = _getche(); } customer[index] = '\0'; cout << endl << endl << endl; cout << "How much did " << customer << " start the checking account with? "; cin >> amount; cout << endl << endl; BankAccount checkingAccount(customer,amount); cout << "How much did " << checkingAccount.showCustomer() << " deposit in the checking account? "; float deposit; cin >> deposit; cout << endl << endl; checkingAccount.depositSlip(deposit); cout << "How much did " << checkingAccount.showCustomer() << " write the check for? "; float check; cin >> check; cout << endl <<endl; checkingAccount.withdrawalSlip(check); cout << checkingAccount.showCustomer() << " has a checking account balance of $" << checkingAccount.showBalance() << endl << endl; cout << "How much did " << checkingAccount.showCustomer() << " started a savings account at the bank with? "; cin >> deposit; cout << endl << endl; BankAccount savingsAccount(deposit); savingsAccount.setName(customer); cout << "How much did " << savingsAccount.showCustomer() << " deposited in the savings account? "; cin >> amount; cout << endl << endl; savingsAccount.depositSlip(amount); cout << "How much did " << savingsAccount.showCustomer() << " withdrew the savings account? " ; cin >> amount; cout << endl << endl; savingsAccount.withdrawalSlip(amount); cout << savingsAccount.showCustomer() << " has a savings balance of $" << savingsAccount.showBalance() << endl << endl; cout << "Thank you "<< checkingAccount.showCustomer() << endl << "for opening a checking and a savings account at our bank." << endl << "Your checking account balance is $" << checkingAccount.showBalance() << endl << "You have a savings balance of $" << savingsAccount.showBalance() << endl << endl << "Again thank you " << savingsAccount.showCustomer() << " for your business." << endl << endl; } // program_id bank9.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class // BankAccount. It illustrates the use // of class pointers. #include<string> #include<conio.h> #include<iostream> using namespace std; class BankAccount { private: char customer[30]; float amount; public: BankAccount() { strcpy_s(customer,""); amount = 0.00; } BankAccount(char * newCustomer,float newAmount) { strcpy_s(customer,newCustomer); amount = newAmount; } void getName(char * newCustomer) { strcpy_s(customer,newCustomer); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char* showCustomer() { return customer; } }; void main() { char customer[30]; float amount; BankAccount* ptr = new BankAccount[2]; short index; for(short index=0;index<25;++index) _putch('\n'); cout << "What is the customer's name? "; char resp = _getche(); for(index=0;(index<29 && resp!='\r');++index) { customer[index] = resp; resp = _getche(); } customer[index] ='\0'; cout << endl << endl << endl; ptr->getName(customer); (ptr+1)->getName(customer); cout << "How much did the customer start the checking account with? "; cin >> amount; cout << endl << endl; ptr->depositSlip(amount); cout << "How much did " << (ptr+1)->showCustomer() << " start with in the savings account?"; cin >> amount; cout << endl << endl; (ptr+1)->depositSlip(amount); cout << "Thank you "<< ptr->showCustomer() << endl << "for opening a checking and a savings account at our bank." << endl << "Your checking account balance is $" << ptr->showBalance() << " accounts." << endl << "You have a savings balance of $" << (ptr+1)->showBalance() << endl << endl << "Again thank you " << (ptr+1)->showCustomer() << " for your business." << endl << endl; // don't forget to destroy the dynamically created memory // delete[]ptr; } // program_id bank10.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class // bank_account. It illustrates the use // of class pointers and pointers as data // members. #include<string> #include<conio.h> #include<iostream> using namespace std; class BankAccount { private: char* ptr; float amount; public: BankAccount() { ptr = new char[30]; strcpy(ptr,""); amount = 0.00; } BankAccount(char * newCustomer,float newAmount) { ptr = new char[30]; strcpy(ptr,newCustomer); amount = newAmount; } ~BankAccount() { delete[]ptr; } void getName(char * newCustomer) { strcpy(ptr,newCustomer); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char* showCustomer() { return ptr; } }; void main() { char customer[30]; float amount; BankAccount* ptr = new BankAccount[2]; short index; for(index=0;index<25;++index) _putch('\n'); cout << "What is the customer's name? "; char resp = _getche(); for(index=0;(index<29 && resp!='\r');++index) { customer[index] = resp; resp = _getche(); } customer[index] ='\0'; cout << endl << endl << endl; ptr->getName(customer); (ptr+1)->getName(customer); cout << "How much did " << ptr->showCustomer()<< " start the checking account with? "; cin >> amount; cout << endl << endl; ptr->depositSlip(amount); cout << "How much did " << (ptr+1)->showCustomer() << " start with in the savings account? "; cin >> amount; cout << endl << endl; (ptr+1)->depositSlip(amount); cout << "Thank you "<< ptr->showCustomer() << endl << "for opening a checking and a savings account at our bank." << endl << "Your checking account balance is $" << ptr->showBalance() << " accounts." << endl << "You have a savings balance of $" << (ptr+1)->showBalance() << endl << endl << "Again thank you " << (ptr+1)->showCustomer() << " for your business." << endl << endl; // don't forget to destroy the dynamically created memory // delete [] ptr; } // program_id bank.h // author don voils // date written 10/15/2006 // // program description This header contains the definition of the // class bank_account. It is to be used with // programs which require its objects. // class BankAccount { private: float amount; static int numberAccounts; static int numberDeposits; static int numberWithdrawals; public: BankAccount(float startingAmount=0) { ++numberAccounts; amount = startingAmount; } void depositSlip(float deposit) { ++numberDeposits; amount += deposit; } void withdrawalSlip(float checkAmount) { ++numberWithdrawals; amount -= checkAmount; } float showBalance() { return amount; } int showAccounts() { return numberAccounts; } int showDeposits() { return numberDeposits; } int showWithdrawals() { return numberWithdrawals; } }; int BankAccount::numberAccounts=0; int BankAccount::numberDeposits=0; int BankAccount::numberWithdrawals=0; // program_id bankaccount.cpp // written_by don voils // date_writtten 11/11/2006 // description: This program inputs data into an array of object of the class // transactions and then displays the data on the screen. // #include<iostream> #include<fstream> #include<iomanip> using namespace std; class Transactions { private: char type; double amount; public: void setType(char theType) { type = theType; } void setAmount(double theAmount) { amount = theAmount; } char getType() { return type; } double getAmount() { return amount; } }; void main() { short numberTransactions = 0; char theType; double theAmount; double theBalance; Transactions transactionAmount[100]; ifstream inFile("transactions.txt"); if(!inFile) { cout << "File did not open" << endl; exit(1); } inFile >> theType; while(inFile) { inFile >> theAmount; transactionAmount[numberTransactions].setType(theType); transactionAmount[numberTransactions].setAmount(theAmount); ++numberTransactions; inFile >> theType; } inFile.close(); cout << fixed << setprecision(2); for(short index=0;index < numberTransactions;++index) { if(transactionAmount[index].getType()=='b') { theBalance = transactionAmount[index].getAmount(); cout << left << "Starting Balance" << right; cout << setw(25) << transactionAmount[index].getAmount() << endl; } else if(transactionAmount[index].getType()=='d') { theBalance += transactionAmount[index].getAmount(); cout << left << "Deposit" << right; cout << setw(27) << transactionAmount[index].getAmount() << endl; } else { theBalance -= transactionAmount[index].getAmount(); cout << left << "Withdrawal" << right; cout << setw(15) << transactionAmount[index].getAmount() << endl; } } cout << right << setw(41)<< " ____________" << endl; cout << left << "Ending Balance" << right; cout << setw(27) << theBalance << endl; cout << endl << endl; } // program_id bankacnt.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // It initializes the objects with // a constructor function with a // default value. This example provides // for user input. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: BankAccount(float startingAmount=0) { amount = startingAmount; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } }; void main() { char resp; float amount; cout << "Thank you for starting an account with our bank." << endl << "How much will you open your account with? "; cin >> amount; BankAccount checkingAccount(amount); do { cout << endl << endl << "How much was the deposit? "; cin >> amount; if (amount >=0) checkingAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the withdrawal? "; cin >> amount; if (amount >=0) checkingAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another withdrawal? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); cout << endl << "Your checking account balance is $" << checkingAccount.showBalance() << endl << endl; } // program_id bankactv.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // This example illustrates how // static class members // can be used to keep track // of the number of deposits // and withdrawals in all // accounts both checking and // savings. // #include<iostream> using namespace std; class BankAccount { private: float amount; static int numberAccounts; static int numberDeposits; static int numberWithdrawals; public: BankAccount(float startingAmount=0) { ++numberAccounts; amount = startingAmount; } void depositSlip(float deposit) { ++numberDeposits; amount += deposit; } void withdrawalSlip(float checkAmount) { ++numberWithdrawals; amount -= checkAmount; } float showBalance() { return amount; } int showAccounts() { return numberAccounts; } int showDeposits() { return numberDeposits; } int showWithdrawals() { return numberWithdrawals; } }; int BankAccount::numberAccounts=0; int BankAccount::numberDeposits=0; int BankAccount::numberWithdrawals=0; void main() { char resp; float amount; cout << "Thank you for starting a checking account with our" << " bank." << endl << endl << "How much will you open your checking account " << "with? "; cin >> amount; BankAccount checkingAccount(amount); do { cout << endl << endl << "How much was the deposit " << "to your checking account? "; cin >> amount; if (amount >=0) checkingAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit to your " << "checking account? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the check? "; cin >> amount; if (amount >=0) checkingAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another check? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); cout << endl << "Your checking account balance is $" << checkingAccount.showBalance() << endl << endl; cout << endl << endl << "Thank you for starting a savings " << "account with our bank." << endl << endl << "How much will you open your savings account " << "with? "; cin >> amount; BankAccount savingsAccount(amount); do { cout << endl << endl << "How much was the deposit to " << "your savings account? "; cin >> amount; if (amount >=0) savingsAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit to your " << "savings account? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the withdrawal " << "from your savings account? "; cin >> amount; if (amount >=0) savingsAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another savings account " << "withdrawal? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); cout << endl << "Your savings account balance is $" << savingsAccount.showBalance() << endl << endl << "You have had " << checkingAccount.showDeposits() << " deposits this month from your " << endl << checkingAccount.showAccounts() << " accounts and " << savingsAccount.showWithdrawals() << " withdrawals." << endl << endl; } // program_id banktotl.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // It initializes the objects with // a constructor function with a // default value. This example provides // for user input for a checking and // a savings account. At the end it // prints out the total amount on // deposit in both account. This example // illustrates class objects as arguments // of a member function. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: BankAccount(float startingAmount=0) { amount = startingAmount; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance(void) { return amount; } void totalOfAccount(BankAccount c, BankAccount s) { amount = c.amount + s.amount; } }; void main(void) { char resp; float amount; BankAccount bothAccounts; cout << "Thank you for starting a checking account with our bank." << endl << endl << "How much will you open your checking account with? "; cin >> amount; BankAccount checkingAccount(amount); do { cout << endl << endl << "How much was the deposit to your checking account? "; cin >> amount; if (amount >=0) checkingAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit to your checking account? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the check? "; cin >> amount; if (amount >=0) checkingAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another check? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); cout << endl << "Your checking account balance is $" << checkingAccount.showBalance() << endl << endl; cout << endl << endl << "Thank you for starting a savings account with our bank." << endl << endl << "How much will you open your savings account with? "; cin >> amount; BankAccount savingsAccount(amount); do { cout << endl << endl << "How much was the deposit to your savings account? "; cin >> amount; if (amount >=0) savingsAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit to your savings account? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the withdrawal from your savings account? "; cin >> amount; if (amount >=0) savingsAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another savings account withdrawal? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); cout << endl << "Your savings account balance is $" << savingsAccount.showBalance() << endl << endl; bothAccounts.totalOfAccount(checkingAccount,savingsAccount); cout << endl << "Your total funds on deposit at our bank is $" << bothAccounts.showBalance() << endl << endl; } // program_id bankttl2.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // It initializes the objects with // a constructor function with a // default value. This example provides // for user input for a checking and // a savings account. At the end it // prints out the total amount on // deposit in both account. This example // illustrates class objects as arguments // and output of a member function. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: BankAccount(float startingAmount=0) { amount = startingAmount; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance(void) { return amount; } BankAccount plus(BankAccount s) { BankAccount temp; temp.amount = amount + s.amount; return temp; } }; void main(void) { char resp; float amount; BankAccount bothAccounts; cout << "Thank you for starting a checking account with our bank." << endl << endl << "How much will you open your checking account with? "; cin >> amount; BankAccount checkingAccount(amount); do { cout << endl << endl << "How much was the deposit to your checking account? "; cin >> amount; if (amount >=0) checkingAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit to your checking account? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the check? "; cin >> amount; if (amount >=0) checkingAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another check? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); cout << endl << "Your checking account balance is $" << checkingAccount.showBalance() << endl << endl; cout << endl << endl << "Thank you for starting a savings account with our bank." << endl << endl << "How much will you open your savings account with? "; cin >> amount; BankAccount savingsAccount(amount); do { cout << endl << endl << "How much was the deposit to your savings account? "; cin >> amount; if (amount >=0) savingsAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit to your savings account? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the withdrawal from your savings account? "; cin >> amount; if (amount >=0) savingsAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another savings account withdrawal? (Y/N) "; cin >> resp; }while((resp!='Y') && (resp!='N')); }while(resp=='Y'); cout << endl << "Your savings account balance is $" << savingsAccount.showBalance() << endl << endl; bothAccounts = checkingAccount.plus(savingsAccount); cout << endl << "Your total funds on deposit at our bank is $" << bothAccounts.showBalance() << endl << endl; } // program_id bnkacnts2.cpp // author don voils // date written 10/26/2006 // // program description This program simulates a bank // account using the classes checking, // savings and money. It illustrates the // use of friend functions. // // This program is the same as bnkacnts.cpp // except the declaration of the friend function // is in the private access section and this causes // no problems. #include<string> #include<conio.h> #include<iostream> using namespace std; // If these classes are not declared here, then the // program will not compile because the friend function approved() // needs to know that these classes are defined elsewhere. // class Savings; class Money; class Checking { private: char customer[30]; char custId[10]; float amount; bool friend approved(Checking c,Savings s, Money m); public: Checking() { strcpy_s(customer,""); strcpy_s(custId,"01-"); amount = 0.00; } Checking(char * newCustomer,char *newId, float newAmount) { strcpy_s(customer,newCustomer); strcpy_s(custId,"01-"); strcat_s(custId,newId); amount = newAmount; } void getName(char * newCustomer) { strcpy_s(customer,newCustomer); } void getId(char *newId) { strcat_s(custId,newId); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char * showId() { return custId; } char* showCustomer() { return customer; } }; class Savings { private: char customer[30]; char custId[10]; float amount; bool friend approved(Checking c, Savings s, Money m); public: Savings() { strcpy_s(customer,""); strcpy_s(custId,"02-"); amount = 1000.00; } Savings(char * newCustomer,char *newId, float newAmount) { strcpy_s(customer,newCustomer); strcpy_s(custId,"02-"); strcat_s(custId,newId); amount = newAmount; } void getName(char * newCustomer) { strcpy_s(customer,newCustomer); } void getId(char *newId) { strcat_s(custId,newId); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char * showId() { return custId; } char* showCustomer() { return customer; } }; class Money { private: char customer[30]; char custId[10]; float amount; bool friend approved(Checking c, Savings s, Money m); public: Money() { strcpy_s(customer,""); strcpy_s(custId,"03-"); amount = 0.00; } Money(char * newCustomer,char *newId, float newAmount) { strcpy_s(customer,newCustomer); strcpy_s(custId,"03-"); strcat_s(custId,newId); amount = newAmount; } void getName(char * newCustomer) { strcpy_s(customer,newCustomer); } void getId(char *newId) { strcat_s(custId,newId); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char * showId() { return custId; } char* showCustomer() { return customer; } }; bool approved(Checking c, Savings s, Money m) { bool isApproved = false; if((c.amount+s.amount+m.amount)>10000) isApproved = true; return isApproved; } void main() { char customer[30]; char custId[7]; float amount; short index; for(index=0;index<25;++index) _putch('\n'); cout << "What is the customer's name? "; char resp = _getche(); for(index=0;(index<29 && resp!='\r');++index) { customer[index] = resp; resp = _getche(); } customer[index] ='\0'; cout << endl << endl << endl; cout << "What is the customer's Id? "; resp = _getche(); for(index=0;(index<6 && resp!='\r');++index) { custId[index] = resp; resp = _getche(); } custId[index] ='\0'; cout << endl << endl << endl; cout << "How much did " << customer << " start with in the checking account?"; cin >> amount; cout << endl << endl; Checking cAccount(customer,custId,amount); cout << "How much did " << customer << " start with in the savings account?"; cin >> amount; cout << endl << endl; Savings sAccount(customer,custId,amount); cout << "How much did " << customer << " start with in the money market account?"; cin >> amount; cout << endl << endl; Money mAccount(customer,custId,amount); cout << "Thank you "<< cAccount.showCustomer() << " for opening a checking," << endl << "a savings and a money account at our bank." << endl << "Your checking account id is "<< cAccount.showId() << endl << "and your checking balance is $" << cAccount.showBalance() << endl << endl << "Your savings account id is "<< sAccount.showId() << endl << "and your savings balance is $" << sAccount.showBalance() << endl << endl << "Your money market account id is "<< mAccount.showId() << endl << "and your money market balance is $" << mAccount.showBalance(); if(approved(cAccount,sAccount,mAccount)==true) cout << endl << endl << "You have been approved for a free VISA account"; else cout << endl << endl << "I am sorry but your balance does not entitle" << endl << "you for a free VISA account"; cout << endl << endl << "Again thank you " << mAccount.showCustomer() << " for your business." << endl << endl; } // program_id bnkacnts.cpp // author don voils // date written 10/26/2006 // // program description This program simulates a bank // account using the classes checking, // savings and money. It illustrates the // use of friend functions. // #include<string> #include<conio.h> #include<iostream> using namespace std; // If these classes are not declared here, then the // program will not compile because the friend function approved() // needs to know that these classes are defined elsewhere. // class Savings; class Money; class Checking { private: char customer[30]; char custId[10]; float amount; public: Checking() { strcpy_s(customer,""); strcpy_s(custId,"01-"); amount = 0.00; } Checking(char * newCustomer,char *newId, float newAmount) { strcpy_s(customer,newCustomer); strcpy_s(custId,"01-"); strcat_s(custId,newId); amount = newAmount; } void getName(char * newCustomer) { strcpy_s(customer,newCustomer); } void getId(char *newId) { strcat_s(custId,newId); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char * showId() { return custId; } char* showCustomer() { return customer; } bool friend approved(Checking c, Savings s, Money m); }; class Savings { private: char customer[30]; char custId[10]; float amount; public: Savings() { strcpy_s(customer,""); strcpy_s(custId,"02-"); amount = 1000.00; } Savings(char * newCustomer,char *newId, float newAmount) { strcpy_s(customer,newCustomer); strcpy_s(custId,"02-"); strcat_s(custId,newId); amount = newAmount; } void getName(char * newCustomer) { strcpy_s(customer,newCustomer); } void getId(char *newId) { strcat_s(custId,newId); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char * showId() { return custId; } char* showCustomer() { return customer; } bool friend approved(Checking c, Savings s, Money m); }; class Money { private: char customer[30]; char custId[10]; float amount; public: Money() { strcpy_s(customer,""); strcpy_s(custId,"03-"); amount = 0.00; } Money(char * newCustomer,char *newId, float newAmount) { strcpy_s(customer,newCustomer); strcpy_s(custId,"03-"); strcat_s(custId,newId); amount = newAmount; } void getName(char * newCustomer) { strcpy_s(customer,newCustomer); } void getId(char *newId) { strcat_s(custId,newId); } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } char * showId() { return custId; } char* showCustomer() { return customer; } bool friend approved(Checking c, Savings s, Money m); }; bool approved(Checking c, Savings s, Money m) { bool isApproved = false; if((c.amount+s.amount+m.amount)>10000) isApproved = true; return isApproved; } void main() { char customer[30]; char custId[7]; float amount; short index; for(index=0;index<25;++index) _putch('\n'); cout << "What is the customer's name? "; char resp = _getche(); for(index=0;(index<29 && resp!='\r');++index) { customer[index] = resp; resp = _getche(); } customer[index] ='\0'; cout << endl << endl << endl; cout << "What is the customer's Id? "; resp = _getche(); for(index=0;(index<6 && resp!='\r');++index) { custId[index] = resp; resp = _getche(); } custId[index] ='\0'; cout << endl << endl << endl; cout << "How much did " << customer << " start with in the checking account? "; cin >> amount; cout << endl << endl; Checking cAccount(customer,custId,amount); cout << "How much did " << customer << " start with in the savings account? "; cin >> amount; cout << endl << endl; Savings sAccount(customer,custId,amount); cout << "How much did " << customer << " start with in the money market account? "; cin >> amount; cout << endl << endl; Money mAccount(customer,custId,amount); cout << "Thank you "<< cAccount.showCustomer() << " for opening a checking," << endl << "a savings and a money account at our bank." << endl << "Your checking account id is " << cAccount.showId() << endl << "and your checking balance is $" << cAccount.showBalance() << endl << endl << "Your savings account id is "<< sAccount.showId() << endl << "and your savings balance is $" << sAccount.showBalance() << endl << endl << "Your money market account id is "<< mAccount.showId() << endl << "and your money market balance is $" << mAccount.showBalance(); if(approved(cAccount,sAccount,mAccount)==true) cout << endl << endl << "You have been approved for a free VISA account"; else cout << endl << endl << "I am sorry but your balance does not entitle" << endl << "you for a free VISA account"; cout << endl << endl << "Again thank you " << mAccount.showCustomer() << " for your business." << endl << endl; } // program_id bnkwhedr.cpp // author don voils // date written 9/23/2006 // // program description This program simulates a bank // account using the class bank. // This example takes the program // BANDACTV.CPP and removes the // definition of the class BankAccount. // It then adds the class definition // by including the header BANK.H. #define AND && #define OR || #include<iostream> using namespace std; #include"bank.h" void main(void) { char resp; float amount; cout << "Thank you for starting a checking account with our" << " bank." << endl << endl << "How much will you open your checking account " << "with? "; cin >> amount; BankAccount checkingAccount(amount); do { cout << endl << endl << "How much was the deposit " << "to your checking account? "; cin >> amount; if (amount >=0) checkingAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit to your " << "checking account? (Y/N) "; cin >> resp; }while((resp!='Y') AND (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the check? "; cin >> amount; if (amount >=0) checkingAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another check? (Y/N) "; cin >> resp; }while((resp!='Y') AND (resp!='N')); }while(resp=='Y'); cout << endl << "Your checking account balance is $" << checkingAccount.showBalance() << endl << endl; cout << endl << endl << "Thank you for starting a savings " << "account with our bank." << endl << endl << "How much will you open your savings account " << "with? "; cin >> amount; BankAccount savingsAccount(amount); do { cout << endl << endl << "How much was the deposit to " << "your savings account? "; cin >> amount; if (amount >=0) savingsAccount.depositSlip(amount); do { cout << endl << endl << "Another deposit to your " << "savings account? (Y/N) "; cin >> resp; }while((resp!='Y') AND (resp!='N')); }while(resp=='Y'); do { cout << endl << endl << "How much was the withdrawal " << "from your savings account? "; cin >> amount; if (amount >=0) savingsAccount.withdrawalSlip(amount); do { cout << endl << endl << "Another savings account " << "withdrawal? (Y/N) "; cin >> resp; }while((resp!='Y') AND (resp!='N')); }while(resp=='Y'); cout << endl << "Your savings account balance is $" << savingsAccount.showBalance() << endl << endl << "You have had " << checkingAccount.showDeposits() << " deposits this month from your " << endl << checkingAccount.showAccounts() << " accounts and " << savingsAccount.showWithdrawals() << " withdrawals." << endl << endl; } // program_id bookInventory.gif // written_by don voils // date_written 5/5/2006 // description This is the UML chart for the class: BookInventory. 
// program_id bookInventory.cpp // written_by don voils // date_written 5/25/2006 // // description This file contains the method definitions // for the class bookInventory. // #include "bookInventory.h" // The following methods are initilizing and // access methods for each of the attributes // of the class bookInventory. // void BookInventory::setbookName(string theName) { bookName = theName; } string BookInventory::getbookName() { return bookName; } void BookInventory::setISBN(string theISBN) { ISBN = theISBN; } string BookInventory::getISBN() { return ISBN; } void BookInventory::setyearPublished(string theYear) { yearPublished = theYear; } string BookInventory::getyearPublished() { return yearPublished; } void BookInventory::setnumberOnHand(string theNumber) { numberOnHand = theNumber; } string BookInventory::getnumberOnHand() { return numberOnHand; } void BookInventory::setcostBook(string theCost) { costBook = theCost; } string BookInventory::getcostBook() { return costBook; } void BookInventory::setpriceBook(string thePrice) { priceBook = thePrice; } string BookInventory::getpriceBook() { return priceBook; } void BookInventory::setbookAuthors(int theNumber,string theName) { bookAuthors[theNumber] = theName; } string BookInventory::getbookAuthors(int theNumber) { return bookAuthors[theNumber]; } // program_id bookInventory.h // written-by Don Voils // date_written 5/25/2006 // // Description: This header contains the definition // of the class bookInventory. // #include<iostream> #include<string> using namespace std; #ifndef INVENTORY #define INVENTORY // Although some of the attributes would normally // be numeric rather than strings, string data // type was chosen because of the way C++ handles // file I/O. // class BookInventory { private: string bookName; string ISBN; string yearPublished; string numberOnHand; string costBook; string priceBook; string bookAuthors[4]; public: void setbookName(string theName); string getbookName(); void setISBN(string theISBN); string getISBN(); void setyearPublished(string theYear); string getyearPublished(); void setnumberOnHand(string theNumber); string getnumberOnHand(); void setcostBook(string theCost); string getcostBook(); void setpriceBook(string thePrice); string getpriceBook(); void setbookAuthors(int theNumber,string theName); string getbookAuthors(int theNumber); }; #endif // program_id CALLCONS.CPP // author don voils // date written 10/09/2006 // // program description This program demonstrates that // a constructor may be called // directly. // #include<iostream> using namespace std; class Date { private: int month, day, year; public: Date(int m, int d, int y){month=m;day=d;year=y;} int showMonth(){ return month;} int showDay(){return day;} int showYear(){return year;} }; void main() { char dash; int month, day, year; cout << "What is the date? "; cin >> month >> dash >> day >> dash >> year; Date FirstDate(month,day,year); Date SecondDate = Date(month,day+1,year); cout << endl << endl << "Did you say the date was " << FirstDate.showMonth() << "/" << FirstDate.showDay() << "/" << FirstDate.showYear(); cout << endl << endl << "or did you say the date was " << SecondDate.showMonth() << "/" << SecondDate.showDay() << "/" << SecondDate.showYear() << endl; char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id circles.cpp // author Don Voils // date_written 10/26/2006 // // description Demonstration of the this pointer. // const double PI = 3.14159; #include<iostream> using namespace std; struct Circle { double radius; double area() { return (radius * radius * PI); } double circumference() { return (2 * radius * PI); } }; void getRadius(Circle *thisPtr, double input) { thisPtr->radius = input; } class Acircle { private: double radius; public: void getRadius(double input) { this->radius = input; } double area() { return (radius * radius * PI); } double circumference() { return (2 * radius * PI); } }; void main() { Circle *thisPtr = new Circle; Acircle secondCircle; double theInput; cout << "What is the radius of the circle? "; cin >> theInput; getRadius(thisPtr, theInput); secondCircle.getRadius(theInput); cout << endl << endl << "The area of the first circle is " << thisPtr->area(); cout << endl << endl << "The circumference of the first circle is " << thisPtr->circumference(); cout << endl << endl << "The area of the first circle is " << secondCircle.area(); cout << endl << endl << "The circumference of the first circle is " << secondCircle.circumference() << endl << endl; delete thisPtr; } // program_id CLOCK.CPP // author don voils // date written 9/15/2006 // // program description This program simulates // the movement of a clock. // #include<conio.h> #include<iostream> #include<string> using namespace std; char backspace; struct Block { char spacer[2]; }spacerZero={"0"}, spacerBlank={""}; class Time { private: int hours, minutes, seconds; public: void startClock(); void tickClock(); void displayClock(); }; void main() { unsigned long counter; Time day1; for(counter=1;counter<=250;++counter) cout << endl; cout << flush; backspace = '\b'; for(counter=1;counter<=250;++counter) cout << endl; cout << flush; day1.startClock(); for (counter=1;counter<=250;++counter) cout << endl; cout << flush; // The function kbhit() returns false until a // key on the keyboard is pressed. // while(!_kbhit()) { day1.tickClock(); day1.displayClock(); for(counter=1;counter <= 450000000;++counter); } cout << endl << endl; } void Time::startClock() { char mark; cout << "Example: hh:mm:ss"<< endl << endl << "Use a 24 hour clock" << endl << endl << "What is the time in hours, minutes and seconds? "; cin >> hours >> mark >> minutes >> mark >> seconds; } void Time::displayClock() { int counter; Block hoursZero, minutesZero, secondsZero; if (hours<=9) hoursZero=spacerZero; else hoursZero=spacerBlank; if (minutes<=9) minutesZero=spacerZero; else minutesZero=spacerBlank; if (seconds<=9) secondsZero=spacerZero; else secondsZero=spacerBlank; for (counter=1;counter<=8;++counter) _putch(backspace); for (counter=1;counter<=8;++counter) _putch(' '); for (counter=1;counter<=8;++counter) _putch(backspace); cout << hoursZero.spacer << hours << ':' << minutesZero.spacer << minutes << ':' << secondsZero.spacer << seconds; } void Time::tickClock() { ++seconds; if (seconds >=60) { seconds -= 60; ++minutes; } if (minutes >=60) { minutes -= 60; ++hours; } if(hours >=24) { hours = 0; } } // program_id consdesc.cpp // author don voils // date written 10/8/2006 // // program description This program demonstrates how // constructors and destructors are // called in relationship to the // calling into existence of main(). // // #include<iostream> using namespace std; class Date { private: int month, day, year; public: // The following constructor provides the data members // with default values if none are provided when an // object is defined in the program. // Date(int m=1,int d=1,int y=1994) { month=m; day=d; year=y; cout<< "Initialized " << month << "/" << day << "/" << year << endl << endl; } ~Date() { cout << "Destroying " << month << "/" << day << "/" << year << endl << endl; } void showDate() { cout << month << "/" << day << "/" << year; } }StartDate; // This defines the object outside of main() void main() { cout << "The beginning of main()." << endl << endl; Date InsideDate(7,4,1776); cout << "The end of main()." << endl << endl; char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id const.cpp // written_by don voils // date_written 10/29/2006 // // program_description This program demonstrates // constant class objects and // constant member functions. // #include<iostream> using namespace std; class Stuff { private: int number; public: Stuff(int aNumber) { number = aNumber; } ~Stuff(){} //The constant method below does not compile //because it is attempting to change //the attribute number // void changeConst(int aNumber)const // { number = aNumber;} void changeIt(int aNumber) { number = aNumber; } int showNumber() const { return number; } }; void main() { int number1 = 20; int number2 = 150; Stuff stuff1(number1); Stuff const stuff2(number2); //The following will not compile because stuff2 is a contant //object and the method change_it() is attempting to change //the attribute. // //stuff2.changeIt(500); cout << endl << endl << "The non-constant object accessing a " << "constant method the value of number1 is " << stuff1.showNumber(); cout << endl << endl << "The constant object accessing a " << "constant method the value of number2 is " << stuff2.showNumber(); cout << endl << endl; } // program_id copy.cpp // written_by don voils // date_written 10/29/2006 // // program_descripton This program demonstrates // the use of a copy constructor. // #include<iostream> using namespace std; class Stuff { private: int number; public: Stuff() {} Stuff(int aNumber) { number = aNumber; } Stuff(const Stuff &anObject) { number = anObject.number; } ~Stuff() {} int showStuff() { return number; } }; void main() { int aNumber = 10; Stuff stuff1(aNumber); cout << endl << endl << "stuff1 contains " << stuff1.showStuff(); Stuff stuff2(stuff1); cout << endl << endl << "stuff2 contains " << stuff2.showStuff() << endl << endl; } // program_id crclclss.cpp // author Don Voils // date_written 08/03/2006 // // description Demonstration of a class // #include<iostream> using namespace std; const double PI = 3.14159; // Definition of a class class Circle { // The private access section private: // This data member may only be accessed within the class double radius; public: // These member functions may be accessed any where an // object of the class is defined. void getRadius(double); double showRadius(); double showArea(); double showCircumference(); }; void main() { // Definition of an object to the class circle Circle theCircle; double theRadius; cout << "What is the radius of the circle? "; cin >> theRadius; // Since the methods used below were declared in the public // access section, it can be accessed anywhere the object // is defined. theCircle.getRadius(theRadius); cout << endl << endl << "The radus is " << theCircle.showRadius(); cout << endl << endl << "The area of the circle is " << theCircle.showArea(); cout << endl << endl << "The circumference of the circle is " << theCircle.showCircumference(); char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // Notice the definitions outside of the class definition. // // Notice the scope resolution operator is required when // these functions are defined outside of the class so that // the compiler can determine to which object they belong. // // Notice that the data member radius is being accessed within // the methods. This is required because it was declared // in the private access section. // void Circle::getRadius(double r) { radius = r; } double Circle::showRadius() { return (radius); } double Circle::showArea() { return (radius * radius * PI); } double Circle::showCircumference() { return (2 * radius * PI); } // program_id date.cpp // written_by don voils // date_written 11/05/2006 // description Contains the definitions of the methods of // the class: date /// #include "date.h" void Date::setDate(int theMonth, int theDay, int theYear) {dateMonth=theMonth; dateDay=theDay; dateYear=theYear;} int Date::showMonth() {return dateMonth;} int Date::showDay() {return dateDay;} int Date::showYear() {return dateYear;} // program_id date.h // written_by don voils // date_written 11/03/2006 // description Contains the definition of the // class Date whose methods are // in the file: date.cpp // #ifndef DATE #define DATE class Date { private: int dateMonth, dateDay, dateYear; public: void setDate(int, int, int); int showMonth(); int showDay(); int showYear(); }; #endif // program_id dateclas.cpp // author Don Voils // date_written 08/04/2006 // // program description: The date class with member functions // defined inside of the class. // #include<iostream> using namespace std; class Date { private: short month, day, year; public: void setDate(void) { char dash; cout << "What is the date? (e.g. 8/31/2000) "; cin >> month >> dash >> day >> dash >> year; if(year < 1000) if(year>10) year += 1900; else year += 2000; } void showMonthName(void) { char monthName[][10] = {"","JANUARY", "FEBRUARY", "MARCH", "APRIL", "MAY", "JUNE","JULY", "AUGUST", "SEPTEMBER", "OCTOBER", "NOVEMBER", "DECEMBER"}; cout << endl<< endl << "The date is " << monthName[month] << " " << day << ", " << year; } }; void main(void) { Date InvoiceDate; InvoiceDate.setDate(); InvoiceDate.showMonthName(); char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id defltcon.cpp // author don voils // date written 10/8/2006 // // program description This program shows the use of // a constructor with several default // elements and the effect of // initializing an object with // various values supplied when // defined. // #include<iostream> using namespace std; class Test { private: int element1, element2, element3, element4; public: Test(int e1=1 , int e2=2, int e3=3, int e4=4) { element1=e1; element2=e2; element3=e3; element4=e4; } ~Test(){ } void showObject() { cout << " e1 = "<< element1 << " e2 = "<< element2 << " e3 = "<< element3 << " e4 = "<< element4; } }; void main() { Test test0; cout << endl << endl << "Showing Test0 "; test0.show_object(); Test test1(5); cout << endl << endl << "Showing Test1 "; test1.show_object(); Test test2(5,6); cout << endl << endl << "Showing Test2 "; test2.show_object(); Test test3(5,6,7); cout << endl << endl << "Showing Test3 "; test3.show_object(); Test test4(5,6,7,8); cout << endl << endl << "Showing Test4 "; test4.show_object(); cout << endl << endl; } // program_id doInventory.cpp // written_by don voils // date_written 5/25/2006 // // Description This is the menu for a program that processes // the inventory for Barnes and Nelson BookStores. // #include<iostream> using namespace std; // The following header contains the definition of the // class bookInventory. // #include "bookInventory.h" // The following header contains the functions that are // the modules for the program. // #include "theFunctions.h" void main() { // Used to receive the input for the // menu selection. // char index; // Used to control the menu loop. // bool More = true; // Used to define and control the // array of inventory items. // const int numberItems = 500; // The follwing array contains the inventory // items that the program processes. // BookInventory inventory[numberItems]; // The following module loads the inventory from // disk and places it into the array of inventory // items. If there is no data in the array, then // the array is filled with blank data. // loadInventory(inventory, numberItems); do { clearScreen(); cout << " Inventory Modification" << endl << endl << endl << " 1. Enter New Records" << endl << endl << " 2. Display by ISBN" << endl << endl << " 3. Edit Records" << endl << endl << " 4. Delete Records" << endl << endl << " 5. Exit" << endl << endl << " Which? "; cin.get(index).get(); cout << endl << endl; // This is an example of late binding. The compiler does not specify // the location of the jump until the execution of the program. // switch(index) { case '1': // This option permits the entry of inventory // records into the inventory array. // enterNewRecords(inventory,numberItems); break; case '2': // This option permits the display of an // inventory record given the ISBN of the book. // ISBNDisplay(inventory,numberItems); break; case '3': // This option permits the editing of each // item of a specific book record given the // ISBN of the book. // editItems(inventory,numberItems); break; case '4': // This option permits the deleting of an // item of a specific book record given the // ISBN of the book. // deleteItem(inventory,numberItems); break; case '5': clearScreen(); cout << "Data is being stored to file." << endl << endl; // This option terminates the program but // saves all of the data to a file prior // to ending. // saveInventory(inventory,numberItems); // Used to end the menu loop. // More = false; break; } } while(More); clearScreen(); cout << "Data has been stored to file." << endl << endl; } // program_id futrpas2.cpp // author don voils // date written 10/15/2006 // program description This program demonstrates the use of the // keyword operator with the increment operator // ++() and the decreament operator --() // with the ability to assign the new values // to another day in the definiion of the // class Date. // #include<iostream> using namespace std; class Date { private: long month, day, year; public: void getDate(); void setDate(long m,long d,long y); long lastDay(long m,long y); long showDay(); long showMonth(); long showYear(); bool leapYear(long y); Date operator ++(); Date operator --(); bool incorrectDate(long m,long d,long y); }; // MAIN PROGRAM // void main() { Date theDay, nextDay, aDay, bDay; cout << "What is the date today? "; theDay.getDate(); cout << endl << endl << "If today is " << theDay.showMonth() << "/" << (theDay.showDay()) << "/" << (theDay.showYear()) << ", then tomorrow will be "; ++theDay; cout << (theDay.showMonth()) << "/" << (theDay.showDay()) << "/" << (theDay.showYear()); nextDay = ++theDay; cout << endl << endl << "The day after that would be " << (theDay.showMonth()) << "/" << theDay.showDay() << "/" << (theDay.showYear()) << " or may be " << (nextDay.showMonth()) << "/" << (nextDay.showDay()) << "/" << (nextDay.showYear()); cout << endl << endl << "What was the second day you wanted checked? "; aDay.getDate(); cout << endl << endl << "If second day is " << (aDay.showMonth()) << "/" << (aDay.showDay()) << "/" << (aDay.showYear()) << ", then the day before was "; --aDay; cout << aDay.showMonth() << "/" << aDay.showDay() << "/" << (aDay.showYear()); bDay = --aDay; cout << endl << endl << "The day before that would be " << aDay.showMonth() << "/" << (aDay.showDay()) << "/" << (aDay.showYear()) << " or may be " << (bDay.showMonth()) << "/" << (bDay.showDay()) << "/" << (bDay.showYear()) << endl << endl; } long Date::showDay() { return day; } long Date::showMonth() { return month; } long Date::showYear() { return year; } void Date::getDate() { char dash; do { cin >> month >> dash >> day >> dash >> year; if(year < 100) if(year < 10) year += 2000; else year += 1900; }while(incorrectDate(month,day,year)); } void Date::setDate(long m,long d,long y) { month = m; day = d; year = y; } Date Date::operator ++() { Date temp; if (day < lastDay(month,year)) { day = day+1; } else { if(month<12) { month=month+1; day = 1; } else { month=1; day=1; year=year+1; } } temp.setDate(month,day,year); return temp; } Date Date::operator --() { Date temp; if (day != 1) { day -= 1; } else { if(month !=1) { month -= 1; day = lastDay(month,year); } else { month=12; day = 31; year -= 1; } } temp.setDate(month,day,year); return temp; } long Date::lastDay(long m,long y) { int lastDay; int daysInMonth[]={0,31,28,31,30,31,30,31,31,30,31,30,31}; if (m != 2) lastDay=daysInMonth[int(m)]; else if (leapYear(y)) lastDay =29; else lastDay=daysInMonth[int(m)]; return lastDay; } bool Date::leapYear(long y) { bool leapTest; if (((y%4==0) && (y%100!=0)) || (y%400==0)) leapTest=true; else leapTest=false; return leapTest; } bool Date::incorrectDate(long m,long d,long y) { bool notCorrect; if ((m>=1) && (m<=12) && (d>=1) && (d<=lastDay(m,y))) notCorrect = false; else notCorrect = true; return notCorrect; } // program_id haim3.cpp // written_by Don Voils // date_writte 4/6/2006 // // Program Description: This program demonstrates that the size // of a class does not include the size of // any static attributes. // #include<iostream> #include<string> using namespace std; class It { private: char theChar; static int theStatic; public: It() { theChar = 'A'; } char showChar() { return theChar; } int showStatic() { return theStatic; } }; int It::theStatic = 5; void main() { It theObject; cout << "The size of theObject = " << sizeof(theObject) << endl; cout << "The size of the class it " << sizeof(It) << endl << endl; } // program_id INVCLASS2.CPP // author don voils // date written 2/14/2006 // // program description This program demonstrates the // concept of classes in header files // by placing the class definition in // one file and the method definition // in another file. // #include<iomanip> #include<iostream> #include<string> using namespace std; #include "invoice.h" void main() { char dash; int theMonth, theDay, theYear; float theAmount; Invoice newInvoice; cout << "What was the date? "; cin >> theMonth >> dash >> theDay >> dash >> theYear; newInvoice.setDate(theMonth, theDay, theYear); cout << endl<< endl<< "What was the amount of the invoice? "; cin >> theAmount; newInvoice.setAmount(theAmount); for(int index=1;index<=50;++index) cout << endl; cout << "Did you say that the invoice date was: " << newInvoice.showInvoiceMonth() << "/" << newInvoice.showInvoiceDay() << "/" << newInvoice.showInvoiceYear() << endl << endl << "Did you say that the invoice amount was : $" << setiosflags(ios::fixed) << setprecision(2) << setiosflags(ios::showpoint) << newInvoice.showInvoiceAmount() << endl << endl; } // program_id INVCLASS.CPP // author don voils // date written 10/09/2006 // // program description This program demonstrates the // concept of nested classes. // #include<iomanip> #include<iostream> using namespace std; class Date { private: int month, day, year; public: void setDate(int m, int d, int y) {month=m; day=d; year=y;} int showMonth(){return month;} int showDay(){return day;} int showYear(){return year;} }; class Invoice { private: float invAmount; Date invDate; public: void setDate(int m, int d, int y) { invDate.setDate(m,d,y); } void setAmount(float amount) { invAmount=amount; } int showInvMonth() { return invDate.showMonth(); } int showInvDay() { return invDate.showDay(); } int showInvYear() { return invDate.showYear(); } float showInvAmount() { return invAmount; } }; void main() { char dash; int month, day, year; float amount; Invoice invoice1234; cout << "What was the date? "; cin >> month >> dash >> day >> dash >> year; invoice1234.setDate(month, day, year); cout <<endl<<endl<< "What was the amount of the invoice? "; cin >> amount; invoice1234.setAmount(amount); for(int index=1;index<=250;++index) cout << endl; cout << "Did you say that the invoice date was: " << invoice1234.showInvMonth() << "/" << invoice1234.showInvDay() << "/" << invoice1234.showInvYear() << endl << endl << "Did you say that the invoice amount was: " << setiosflags(ios::fixed) << setprecision(2) << setiosflags(ios::showpoint) << invoice1234.showInvAmount() << endl << endl; } // program_id invoice2.cpp // author don voils // date_written 7/3/2006 // // description This program shows functions where class objects // are arguments of a non-member function and // are output of a non-member function. // #include<iostream> #include<iomanip> using namespace std; class Invoice { private: long itemNumber; short numberOrdered; double unitPrice; public: void setitemNumber(long theNumber) { itemNumber = theNumber; } void setnumberOrdered(short theNumber) { numberOrdered = theNumber; } void setunitPrice(double theNumber) { unitPrice = theNumber; } long getitemNumber() { return itemNumber; } short getnumberOrdered() { return numberOrdered; } double getunitPrice() { return unitPrice; } }; Invoice inputInvoice(); void display(Invoice theInvoice); void clearscreen(); void main() { Invoice anInvoice; anInvoice = inputInvoice(); clearscreen(); display(anInvoice); clearscreen(); } Invoice inputInvoice() { Invoice theInvoice; long idNumber; short theNumber; double thePrice; cout << endl << "What was the item number? "; cin >> idNumber; cout << endl << "What was the number ordered? "; cin >> theNumber; cout << endl << "What was the unit price? "; cin >> thePrice; theInvoice.setitemNumber(idNumber); theInvoice.setnumberOrdered(theNumber); theInvoice.setunitPrice(thePrice); char resp; cout << endl << endl << "Continue? "; cin >> resp; return theInvoice; } void display(Invoice theInvoice) { cout << fixed << setprecision(2); cout << endl << "The item number is " << theInvoice.getitemNumber() << endl; cout << endl << "The number ordered is " << theInvoice.getnumberOrdered() << endl; cout << endl << "The unit price is $" << theInvoice.getunitPrice() << endl; char resp; cout << endl << endl << "Continue? "; cin >> resp; } void clearscreen() { for(int index=0;index<500;++index) cout << endl; } // program_id invoice3.cpp // author don voils // date_written 4/3/2006 // description This program shows functions where class objects // are arguments of a non-member function and // are output of a non-member function. One of the // functions is passing the object by reference. // #include<iostream> #include<iomanip> using namespace std; class invoice { private: long itemNumber; short numberOrdered; double unitPrice; public: void setitemNumber(long iN) { itemNumber = iN; } void setnumberOrdered(short oN) { numberOrdered = oN; } void setunitPrice(double uP) { unitPrice = uP; } long getitemNumber() { return itemNumber; } short getnumberOrdered() { return numberOrdered; } double getunitPrice() { return unitPrice; } }; void inputInvoice(invoice& invoice); void display(invoice theInvoice); void clearscreen(); void main() { invoice anInvoice; inputInvoice(anInvoice); clearscreen(); display(anInvoice); clearscreen(); } void inputInvoice(invoice& theInvoice) { long idNumber; short theNumber; double thePrice; cout << endl << "What was the item number? "; cin >> idNumber; cout << endl << "What was the number ordered? "; cin >> theNumber; cout << endl << "What was the unit price? "; cin >> thePrice; theInvoice.setitemNumber(idNumber); theInvoice.setnumberOrdered(theNumber); theInvoice.setunitPrice(thePrice); char resp; cout << endl << endl << "Continue? "; cin >> resp; } void display(invoice theInvoice) { cout << fixed << setprecision(2); cout << endl << "The item number is " << theInvoice.getitemNumber() << endl; cout << endl << "The number ordered is " << theInvoice.getnumberOrdered() << endl; cout << endl << "The unit price is $" << theInvoice.getunitPrice() << endl; char resp; cout << endl << endl << "Continue? "; cin >> resp; } void clearscreen() { for(int index=0;index<500;++index) cout << endl; } // program_id invoice4.cpp // written_by don voils // date_written 5/20/2006 // description This program shows functions where arrays of class objects // are passed to a non-member function. // #include<iostream> #include<iomanip> using namespace std; class invoice { private: long itemNumber; short numberOrdered; double unitPrice; public: void setitemNumber(long iN) { itemNumber = iN; } void setnumberOrdered(short oN) { numberOrdered = oN; } void setunitPrice(double uP) { unitPrice = uP; } long getitemNumber() { return itemNumber; } short getnumberOrdered() { return numberOrdered; } double getunitPrice() { return unitPrice; } }; void inputInvoice(invoice theInvoices[],short& numberItems); void display(invoice theInvoices[],short numberItems); void clearscreen(); void main() { invoice anInvoice[100]; short theNumber = 0; inputInvoice(anInvoice,theNumber); clearscreen(); display(anInvoice,theNumber); clearscreen(); } void inputInvoice(invoice theInvoice[],short& numberItems) { long idNumber; short theNumber; double thePrice; char resp; clearscreen(); do { cout << endl << "Entering informaton for invoice item " << numberItems+1 << endl; cout << endl << "What was the item number? "; cin >> idNumber; cout << endl << "What was the number ordered? "; cin >> theNumber; cout << endl << "What was the unit price? "; cin >> thePrice; theInvoice[numberItems].setitemNumber(idNumber); theInvoice[numberItems].setnumberOrdered(theNumber); theInvoice[numberItems].setunitPrice(thePrice); numberItems++; cout << endl << endl << "Continue? (Y/N) "; cin >> resp; clearscreen(); }while(resp=='y' || resp=='Y'); } void display(invoice theInvoice[],short numberItems) { cout << fixed << setprecision(2); cout << left << setw(15)<< "Invoice number" << setw(15) << "Item number" << setw(15) << "Number Ordered" << setw(15) << "Unit Price" << right << endl; for(short index = 0;index<numberItems;++index) { cout << setw(14) << index+1; cout << setw(15) << theInvoice[index].getitemNumber(); cout << setw(15) << theInvoice[index].getnumberOrdered(); cout << " $" << setw(14) << theInvoice[index].getunitPrice() << endl; } char resp; cout << endl << endl << "Continue? "; cin >> resp; } void clearscreen() { for(int index=0;index<500;++index) cout << endl; } // program_id invoice.cpp // written_by don voils // date_written 8/21/2006 // description Contains the definitions of the methods // of the class Invoice #include "invoice.h" void Invoice::setDate(int theMonth, int theDay, int theYear) {invoiceDate.setDate(theMonth,theDay,theYear);} void Invoice::setAmount(float theAmount) {invoiceAmount=theAmount;} int Invoice::showInvoiceMonth() {return invoiceDate.showMonth();} int Invoice::showInvoiceDay() {return invoiceDate.showDay();} int Invoice::showInvoiceYear() {return invoiceDate.showYear();} float Invoice::showInvoiceAmount() {return invoiceAmount;} // program_id invoice.h // written_by don voils // date_written 8/21/2006 // description Contains the definition of the class // Invoice. // #include "date.h" #ifndef INVOICE #define INVOICE class Invoice { private: float invoiceAmount; Date invoiceDate; public: void setDate(int,int,int); void setAmount(float); int showInvoiceMonth(); int showInvoiceDay(); int showInvoiceYear(); float showInvoiceAmount(); }; #endif // program_id newdate.cpp // author don voils // date written 10/15/2006 // program description // This program demonstrates the use of the // keyword operator with the increment operator // ++() and the decreament operator --() // with the ability to assign the new values // to another day in the definiion of the // class date. In addtion it demonstrates // the use of the this pointer. // #include<iostream> using namespace std; class Date { private: long month, day, year; public: void getDate(void); void setDate(long m,long d,long y); long lastDay(long m,long y); long showDay(); long showMonth(); long showYear(); bool leapYear(long y); Date operator ++(); Date operator --(); bool incorrectDate(long m,long d,long y); }; // MAIN PROGRAM // void main() { Date theDay, nextDay, aDay, bDay; cout << "What is the date today? "; theDay.getDate(); cout << endl << endl << "If today is " << theDay.showMonth() << "/" << (theDay.showDay()) << "/" << (theDay.showYear()) << ", then tomorrow will be "; ++theDay; cout << (theDay.showMonth()) << "/" << (theDay.showDay()) << "/" << (theDay.showYear()); nextDay = ++theDay; cout << endl << endl << "The day after that would be " << (theDay.showMonth()) << "/" << theDay.showDay() << "/" << (theDay.showYear()) << " or may be " << (nextDay.showMonth()) << "/" << (nextDay.showDay()) << "/" << (nextDay.showYear()); cout << endl << endl << "What was the second day you wanted checked? "; aDay.getDate(); cout << endl << endl << "If second day is " << (aDay.showMonth()) << "/" << (aDay.showDay()) << "/" << (aDay.showYear()) << ", then the day before was "; --aDay; cout << aDay.showMonth() << "/" << aDay.showDay() << "/" << (aDay.showYear()-1900); bDay = --aDay; cout << endl << endl << "The day before that would be " << aDay.showMonth() << "/" << (aDay.showDay()) << "/" << (aDay.showYear()) << " or may be " << (bDay.showMonth()) << "/" << (bDay.showDay()) << "/" << (bDay.showYear()); cout << endl << endl << "Continue? (Y/N) "; char resp; cin >> resp; cout << endl << endl; } long Date::showDay() { return day; } long Date::showMonth() { return month; } long Date::showYear() { return year; } void Date::getDate() { char dash; do { cin >> month >> dash >> day >> dash >> year; if(year <100) if(year < 30) year +=2000; else year+=1900; }while(incorrectDate(month,day,year)); } void Date::setDate(long m,long d,long y) { month = m; day = d; year = y; } Date Date::operator ++() { if (day < lastDay(month,year)) { day = day+1; } else { if(month<12) { month=month+1; day = 1; } else { month=1; day=1; year=year+1; } } return *this; } Date Date::operator --() { if (day != 1) { day -= 1; } else { if(month !=1) { month -= 1; day = lastDay(month,year); } else { month=12; day = 31; year -= 1; } } return *this; } long Date::lastDay(long m,long y) { int lastDay; int daysInMonth[]={0,31,28,31,30,31,30,31,31,30,31,30,31}; if (m!=2) lastDay=daysInMonth[int(m)]; else if (leapYear(y)) lastDay = 29; else lastDay = daysInMonth[int(m)]; return lastDay; } bool Date::leapYear(long y) { bool leapTest; if (((y%4==0) && (y%100!=0)) || (y%400==0)) leapTest=true; else leapTest=false; return leapTest; } bool Date::incorrectDate(long m,long d,long y) { bool notCorrect; if ((m>=1) && (m<=12) && (d>=1) && (d<=lastDay(m,y))) notCorrect = false; else notCorrect = true; return notCorrect; } // program_id nlinclas.cpp // author don voils // date written 10/08/2006 // // program description This program illustrates the use // of inline definitions outside of // the class definition. // #include<iostream> using namespace std; class stuff { private: int stuff_int; float stuff_float; public: void set(int i); void set(float f); void display_object(); }; inline void stuff::set(int i) { stuff_int=i; } inline void stuff::set(float f) { stuff_float=f; } inline void stuff::display_object() { cout<<"integer="<<stuff_int << " and float="<<stuff_float<< endl; } void main(void) { int i = 5; float f = 25.50; stuff stuff1; stuff1.set(i); stuff1.set(f); stuff1.display_object(); cout << endl << endl; } // program_id pc_doInventory.txt // written_by don voils // date_written 4/3/2006 // description This is the pseudo code for the program doInventory.cpp. // doInventory Set More = true; Set numberItems = 500; Process loadInventory(inventory[], numberItems); Do Process clearScreen(); Display " Inventory Modification" " 1. Enter New Records" " 2. Display by ISBN" " 3. Edit Records" " 4. Delete Records" " 5. Exit" << endl " Which? " Receive Choice CASE of Choice '1': Process enterNewRecords(inventory[],numberItems) '2': Process ISBNDisplay(inventory[],numberItems) '3': Process editItems(inventory[],numberItems) '4': Process deleteItem(inventory[],numberItems) '5': Process clearScreen(); Display "Data is being stored to file." Process saveInventory(inventory[],numberItems) Set More = false ENDCASE }while(More) Process clearScreen(); Display "Data has been stored to file." END clearScreen() FOR(loop_counter=0;loop_counter<=100;++loop_counter) Display carriageReturn ENDFOR RETURN loadInventory(inventory[],numberItems) Open inFile(inventory.txt) IF(!inFile)THEN Set startString = "Start" Set aString = "****" FOR(index = 0; index < numberItems;++index) inventory[index].setbookName(startString) inventory[index].setISBN(aString) inventory[index].setyearPublished(aString) inventory[index].setnumberOnHand(aString) inventory[index].setcostBook(aString) inventory[index].setpriceBook(aString) inventory[index].setbookAuthors(0,aString) inventory[index].setbookAuthors(1,aString) inventory[index].setbookAuthors(2,aString) inventory[index].setbookAuthors(3,"end") ENDFOR ELSE FOR(index = 0;index<numberItems;++index) Receive aString inventory[index].setbookName(aString) Receive aString inventory[index].setISBN(aString) Receive aString inventory[index].setyearPublished(aString) Receive aString inventory[index].setnumberOnHand(aString) Receive aString inventory[index].setcostBook(aString) Receive aString inventory[index].setpriceBook(aString) Receive aString inventory[index].setbookAuthors(0,aString) Receive aString inventory[index].setbookAuthors(1,aString) Receive aString inventory[index].setbookAuthors(2,aString) Receive aString inventory[index].setbookAuthors(3,aString) ENDFOR ENDIF Close inFile RETURN enterNewRecords(inventory[],numberItems) { Set recordNumber = -1 FOR(index = 0; index < numberItems;++index) IF(inventory[index].getISBN() == "****")THEN recordNumber = index break ENDIF ENDFOR IF(recordNumber == -1)THEN Process clearScreen() Display "Error file is full. Continue? " Receive resp ELSE Process clearScreen() Request "What is the book name? " Receive aString inventory[index].setbookName(aString) Request "What is the ISBN? " Receive aString inventory[index].setISBN(aString) Request "What is the year the book was published? " Receive aString inventory[index].setyearPublished(aString) Request "How many of this book do we have on hand? " Receive aString inventory[index].setnumberOnHand(aString); Request "What was the cost of the book? " Receive aString inventory[index].setcostBook(aString) Request "What is the price of the book? " Receive aString inventory[index].setpriceBook(aString) Request "What is the name of the first author? " Receive aString inventory[index].setbookAuthors(0,aString) Request "What is the name of the second author? " Receive aString inventory[index].setbookAuthors(1,aString) Request "What is the name of the third author? " Receive aString inventory[index].setbookAuthors(2,aString) Request "What is the name of the fourth author? " Receive aString inventory[index].setbookAuthors(3,aString) ENDIF RETURN ISBNDisplay(bookInventory inventory[],int const &numberItems) Process clearScreen() Display"What is the ISBN? " Receive aString Set recordNumber = -1 FOR(index = 0; index < numberItems;++index) IF(inventory[index].getISBN() == aString)THEN Set recordNumber = index break ENDIF ENDFOR IF(recordNumber == -1)THEN Process clearScreen() Display "Error. There is no book with that ISBN. Continue? " Receive resp ELSE Process clearScreen() Display "The book name is: " << inventory[index].getbookName() Display "The ISBN is: " << inventory[index].getISBN() Display "The year the book was published: " Display inventory[index].getyearPublished() Display "The number of this book that we have on hand is: " Display inventory[index].getnumberOnHand() Display "The cost of the book was $: " Display inventory[index].getcostBook() Display "The total cost is: $" Display atof((inventory[index].getcostBook()).c_str())* atoi((inventory[index].getnumberOnHand()).c_str()) Display "The price of the book is: $" Display inventory[index].getpriceBook() Display "The total selling price is: $" Display atof((inventory[index].getpriceBook()).c_str())* atoi((inventory[index].getnumberOnHand()).c_str()) Display "The name of the first author is: " Display inventory[index].getbookAuthors(0) Display "The name of the second author is: " Display inventory[index].getbookAuthors(1) Display "The name of the third author is: " Display inventory[index].getbookAuthors(2) Display "The name of the fourth author? " Display inventory[index].getbookAuthors(3) Display "Continue? " Receive resp ENDIF RETURN editItems(inventory[],numberItems) Set recordNumber = -1 Process clearScreen() Display "What is the ISBN? " Receive aString FOR(int index = 0; index < numberItems;++index) IF(inventory[index].getISBN() == aString)THEN Set recordNumber = index break ENDIF ENDFOR IF(recordNumber == -1)THEN Process clearScreen() Display "Error!! There is no such book on record. Continue? " Receive resp ELSE Process clearScreen(); Display "The current data on that book is:" << endl << endl Display "The book name is: " << inventory[index].getbookName() Display "The ISBN is: " << inventory[index].getISBN() Display "The year the book was published: " Display inventory[index].getyearPublished() Display "The number of this book that we have on hand is: " Display inventory[index].getnumberOnHand() Display "The cost of the book was: $" Display inventory[index].getcostBook() Display "The price of the book is: $" Display inventory[index].getpriceBook() Display "The name of the first author is: " Display inventory[index].getbookAuthors(0) Display "The name of the second author is: " Display inventory[index].getbookAuthors(1) Display "The name of the third author is: " Display inventory[index].getbookAuthors(2) Display "The name of the fourth author? " Display inventory[index].getbookAuthors(3) << endl << endl Display "Continue? " Receive resp Display "What is the book name? " Receive aString inventory[index].setbookName(aString) Display "What is the ISBN? " Receive aString inventory[index].setISBN(aString) Display "What is the year the book was published? " Receive aString inventory[index].setyearPublished(aString) Display "How many of this book do we have on hand? " Receive aString inventory[index].setnumberOnHand(aString) Display "What was the cost of the book? " Receive aString inventory[index].setcostBook(aString) Display "What is the price of the book? " Receive aString inventory[index].setpriceBook(aString) Display "What is the name of the first author? " Receive aString inventory[index].setbookAuthors(0,aString) Display "What is the name of the second author? " Receive aString inventory[index].setbookAuthors(1,aString) Display "What is the name of the third author? " Receive aString inventory[index].setbookAuthors(2,aString) Display "What is the name of the fourth author? " ; Receive aString inventory[index].setbookAuthors(3,aString) Display "Continue? " Receive resp ENDIF RETURN deleteItem(bookInventory inventory[],int const &numberItems) Set recordNumber = -1 Process clearScreen(); Display "What is the ISBN of the book you want to delete? " Receive aString FOR(index = 0; index < numberItems;++index) IF(inventory[index].getISBN() == aString)THEN SetrecordNumber = index; break; ENDIF ENDFOR IF(recordNumber == -1)THEN Process clearScreen() Display "Error!! There is no such book on record. Continue? " Receive resp) ELSE Process clearScreen() Display "The current data on the book to be deleted is:" Display "The book name is: " << inventory[index].getbookName() Display "The ISBN is: " << inventory[index].getISBN() Display "The year the book was published: " Display inventory[index].getyearPublished() Display "The number of this book that we have on hand is: " Display inventory[index].getnumberOnHand() Display "The cost of the book was: $" Display inventory[index].getcostBook() Display "The price of the book is: $" Display inventory[index].getpriceBook() Display "The name of the first author is: " Display inventory[index].getbookAuthors(0) Display "The name of the second author is: " Display inventory[index].getbookAuthors(1) Display "The name of the third author is: " Display inventory[index].getbookAuthors(2) Display "The name of the fourth author? " Display inventory[index].getbookAuthors(3) Display "Continue to delete? (Y/N)" Receive resp) IF((resp=='Y') | (resp == 'y'))THEN Set startString = "Start"; Set aString = "****"; Set endString = "End" inventory[index].setbookName(startString) inventory[index].setISBN(aString) inventory[index].setyearPublished(aString) inventory[index].setnumberOnHand(aString) inventory[index].setcostBook(aString) inventory[index].setpriceBook(aString) inventory[index].setbookAuthors(0,aString) inventory[index].setbookAuthors(1,aString) inventory[index].setbookAuthors(2,aString) inventory[index].setbookAuthors(3,endString) ENDIF ENDIF RETURN saveInventory(inventory[],numberItems) OPEN outFile("inventory.txt"); FOR(index = 0; index < numberItems; ++index) Set aString = inventory[index].getbookName() Save aString to outFile Set aString = inventory[index].getISBN() Save aString to outFile Set aString = inventory[index].getyearPublished() Save aString to outFile Set aString = inventory[index].getnumberOnHand() Save aString to outFile Set aString = inventory[index].getcostBook() Save aString to outFile Set aString = inventory[index].getpriceBook() Save aString to outFile Set aString = inventory[index].getbookAuthors(0) Save aString to outFile Set aString = inventory[index].getbookAuthors(1) Save aString to outFile Set aString = inventory[index].getbookAuthors(2) Save aString to outFile Set aString = inventory[index].getbookAuthors(3) Save aString to outFile ENDFOR outFile.close(); RETURN // program_id prvtfnct.cpp // author don voils // date written 10/9/2006 // // program description This program show an example // where functions can be in the // private section as well as data. // #include<iostream> using namespace std; const short START_YEAR = 2000; class Date { private: short month, day, year; // The following functions are hidden from main(). // Only date class members may access them. // bool testDay(const short d) { return ((d>31) || (d < 1))? false : true; } bool testMonth(const short m) { return ((m>12) || (m<1))? false: true; } bool testYear(const int y) { return (y<START_YEAR)? false: true; } public: // The following three functions are called access // functions because they permit access to the data elements // from main() through these functions. // short showMonth() {return (month);} short showDay() {return (day);} short showYear() {return (year);} // This function sets the data elements of the date. // A constructor could not be used here because there // is a return which is not permitted for a constructor. // bool setDate(const short m, const short d, const short y) { bool good_day; if((testMonth(m)) && (testDay(d)) && (testYear(y))) { day = d; month = m; year = y; good_day = true; } else good_day = false; return (good_day); } }; void main(void) { Date invoiceDate; bool not_correct_date; char dash; short month, day, year; do { cout << endl << endl << "What is the invoice date? (MM/DD/YYYY) "; cin >> month >> dash >> day >> dash >> year; if (invoiceDate.setDate(month,day,year)) not_correct_date = false; else { not_correct_date = true; cout << endl << endl << "Check date entered."; } }while(not_correct_date); cout << endl << endl << "The invoice date entered is " << invoiceDate.showMonth() << "/" << invoiceDate.showDay() << "/" << invoiceDate.showYear(); char resp; cout << endl << endl << "Continue? "; cin >> resp; cout << endl << endl; } // program_id sc_doInventory.gif // written_by don voils // date_written 5/5/2006 // description This is the structure chart for the program: doInventory.cpp. 
// program_id STACFNCT.CPP // author don voils // date written 10/11/2006 // // program description This program contains a static // member function. // #include<iostream> using namespace std; class Counter { private: static int count; static int showIt(); public: Counter(); static void showCount(); }; int Counter::count=0; Counter::Counter() { ++count; } void Counter::showCount() { cout << "count = " << count << endl << endl; } int Counter::showIt() { return count; } void main() { // The statement below will not compile because of the access // // Counter::show_it(); cout << "Before any objects are defined " << endl; Counter::showCount(); Counter numb1, numb2, numb3; cout << "Three objects have been defined. " << endl << endl; cout << endl << "Using numb1 and the static method show_count()" << endl; numb1.showCount(); cout << endl << "Using numb2 and the static method show_count()" << endl; numb2.showCount(); cout << endl << "Using numb3 and the static method show_count()" << endl; numb3.showCount(); cout << endl; cout << "Using the class name and the static method show_count()" << endl; Counter::showCount(); } // program_id staticAccount2.cpp // author don voils // date written 9/23/2006 // // program description This program demonstrates // the access of static attributes // by the class name if it is declared // in the public access section. // #include<iostream> using namespace std; class BankAccount { private: float amount; public: static int numberAccounts; BankAccount() { amount = 0; ++numberAccounts; } BankAccount(float startingAmount) { amount = startingAmount; ++numberAccounts; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } int showNumberAccounts() { return numberAccounts; } }; int BankAccount::numberAccounts = 0; void main() { cout << "I started my checking account at the bank" << endl << endl; BankAccount checkingAccount; cout << "I deposited $2,000.00 in my checking account" << endl << endl; checkingAccount.depositSlip(2000.00); cout << "I wrote checks for $700.00 against my account." << endl <<endl; checkingAccount.withdrawalSlip(700.00); cout << "My account balance is $" << checkingAccount.showBalance() << endl << endl; cout << "I started my savings account at the bank with " << "$5,000" << endl << endl; BankAccount savingsAccount(5000); cout << "I desposited $3,000.00 in my savings account" << endl << endl; savingsAccount.depositSlip(3000.00); cout << "I withdrew $1,700.00 from my savings account" << endl << endl; savingsAccount.withdrawalSlip(1700.00); cout << "My savings balance is $" << savingsAccount.showBalance() << endl << endl; cout << "Thank you for opening the " << BankAccount::numberAccounts << " accounts." << endl << endl << "We have " << savingsAccount.showNumberAccounts() << " gifts for you one for each account." << endl << endl << "You will be receiving them within " << "the next few days. Again thank you for your " << "business." << endl << endl; } // program_id staticAccount.cpp // author don voils // date written 9/23/2006 // // program description This program demonstrates // that a static attribute // may be accessed by the // class but not if it is // declared in the private // access section. // #include<iostream> using namespace std; class BankAccount { private: float amount; static int numberAccounts; public: BankAccount() { amount = 0; ++numberAccounts; } BankAccount(float startingAmount) { amount = startingAmount; ++numberAccounts; } void depositSlip(float deposit) { amount += deposit; } void withdrawalSlip(float checkAmount) { amount -= checkAmount; } float showBalance() { return amount; } int showNumberAccounts() { return numberAccounts; } }; int BankAccount::numberAccounts = 0; void main() { cout << "I started my checking account at the bank" << endl << endl; BankAccount checkingAccount; cout << "I deposited $2,000.00 in my checking account" << endl << endl; checkingAccount.depositSlip(2000.00); cout << "I wrote checks for $700.00 against my account." << endl <<endl; checkingAccount.withdrawalSlip(700.00); cout << "My account balance is $" << checkingAccount.showBalance() << endl << endl; cout << "I started my savings account at the bank with " << "$5,000" << endl << endl; BankAccount savingsAccount(5000); cout << "I desposited $3,000.00 in my savings account" << endl << endl; savingsAccount.depositSlip(3000.00); cout << "I withdrew $1,700.00 from my savings account" << endl << endl; savingsAccount.withdrawalSlip(1700.00); cout << "My savings balance is $" << savingsAccount.showBalance() << endl << endl; cout << "Thank you for opening the " << BankAccount::numberAccounts << " accounts." << endl << "We have " << savingsAccount.showNumberAccounts() << " gifts for you one for each account." << endl << "You will be receiving them within " << "the next few days. Again thank you for your " << "business." << endl << endl; } /* program_id theAccount.h written_by don voils date_written 3/3/2006 Description: This file contains the definition of the class theAccount. The member functions for the class are placed in the source file: theAccount.cpp */ #ifndef ACCOUNT #define ACCOUNT class Account { private: float theBalance; public: void settheBalance(float); float gettheBalance(); void doDeposit(float); void doWithdrawal(float); }; #endif /* program_id theAccount.cpp written_By don voils date_written 4/3/2006 description: This file contains the member functions for the class Account whose definition is contained in the header file: theAccount.h. This file should be a source file in the project. */ #include "theAccount.h" void Account::settheBalance(float theAmount) { theBalance = theAmount; } float Account::gettheBalance() { return theBalance; } void Account::doDeposit(float theAmount) { theBalance += theAmount; } void Account::doWithdrawal(float theAmount) { theBalance -= theAmount; } // program-id theFunctions.h // written-by Don Voils // date written 5/27/2006 // // Description This file contains the definition of the // function that are the modules for the // program doInventory.cpp. // #include<iostream> #include<string> #include<fstream> #include<iomanip> #include<cstdlib> using namespace std; // The defintion of the bookInventory class // must be included into the program. // #include"bookInventory.h" // This function is used to clear the screen for // a better user presentation. // void clearScreen() { for(int loop_counter=0;loop_counter<=150;++loop_counter) cout << endl; } // This function is used to load from file the book records // and then stores them into the inventory array. // void loadInventory(BookInventory inventory[],int const &numberItems) { // The data file that holds the inventory is opened // ifstream inFile("inventory.txt"); // If the file is empty, then it is filled with // empty data. // if(!inFile) { string startString = "Start"; string aString = "****"; //cout << "Starting." << endl; //char resp; //cin.get(resp).get(); for(int index = 0; index < numberItems;++index) { inventory[index].setbookName(startString); inventory[index].setISBN(aString); inventory[index].setyearPublished(aString); inventory[index].setnumberOnHand(aString); inventory[index].setcostBook(aString); inventory[index].setpriceBook(aString); inventory[index].setbookAuthors(0,aString); inventory[index].setbookAuthors(1,aString); inventory[index].setbookAuthors(2,aString); inventory[index].setbookAuthors(3,"end"); } } else { // If the file is not empty, it is input into // the array of inventory items array. // string aString; for(int index = 0;index<numberItems;++index) { getline(inFile,aString); inventory[index].setbookName(aString); getline(inFile,aString); inventory[index].setISBN(aString); getline(inFile,aString); inventory[index].setyearPublished(aString); getline(inFile,aString); inventory[index].setnumberOnHand(aString); getline(inFile,aString); inventory[index].setcostBook(aString); getline(inFile,aString); inventory[index].setpriceBook(aString); getline(inFile,aString); inventory[index].setbookAuthors(0,aString); getline(inFile,aString); inventory[index].setbookAuthors(1,aString); getline(inFile,aString); inventory[index].setbookAuthors(2,aString); getline(inFile,aString); inventory[index].setbookAuthors(3,aString); } } inFile.close(); } // This function permits the entry of a book records. It first // finds an empty record in the inventory array and then permits // the individual data items to be entered into the particular record. // void enterNewRecords(BookInventory inventory[],int const &numberItems) { // The inventory array is searched for an empty record. // int recordNumber = -1; for(int index = 0; index < numberItems;++index) { if(inventory[index].getISBN() == "****") { recordNumber = index; break; } } // If the inventory array has no more empty records, the // user is notified of that case. // if(recordNumber == -1) { clearScreen(); cout << "Error file is full. Continue? " << endl; char resp; cin.get(resp).get(); } else { // If the inventory array has an empty record, // the data is entered into that record. // clearScreen(); string aString; cout << "What is the book name? "; getline(cin,aString); inventory[recordNumber].setbookName(aString); cout << endl << "What is the ISBN? "; getline(cin,aString); inventory[recordNumber].setISBN(aString); cout << endl << "What is the year the book was published? "; getline(cin,aString); inventory[recordNumber].setyearPublished(aString); cout << endl << "How many of this book do we have on hand? "; getline(cin,aString); inventory[recordNumber].setnumberOnHand(aString); cout << endl << "What was the cost of the book? "; getline(cin,aString); inventory[recordNumber].setcostBook(aString); cout << endl << "What is the price of the book? "; getline(cin,aString); inventory[recordNumber].setpriceBook(aString); cout << endl << "What is the name of the first author? "; getline(cin,aString); inventory[recordNumber].setbookAuthors(0,aString); cout << endl << "What is the name of the second author? "; getline(cin,aString); inventory[recordNumber].setbookAuthors(1,aString); cout << endl << "What is the name of the third author? "; getline(cin,aString); inventory[recordNumber].setbookAuthors(2,aString); cout << endl << "What is the name of the fourth author? "; getline(cin,aString); inventory[recordNumber].setbookAuthors(3,aString); } } // This function displays the data values of a particular record // given the ISBN of the book. // void ISBNDisplay(BookInventory inventory[],int const &numberItems) { string aString; clearScreen(); // The ISBN of the record to be displayed is requested. // cout << "What is the ISBN? "; getline(cin,aString); // The manipulators for output is set up. // cout << setprecision(2); cout << fixed; // The inventory array is searched to determine // whether a record exists with the requested // ISBN. // int recordNumber = -1; for(int index = 0; index < numberItems;++index) { if(inventory[index].getISBN() == aString) { recordNumber = index; break; } } // If no record exists for the requested ISBN, // an error message is returned. // if(recordNumber == -1) { clearScreen(); cout << "Error. There is no book with that ISBN. Continue? "; char resp; cin.get(resp).get(); } else { // When the record for the requested ISBN book exists, // the data for the book is displayed. // clearScreen(); cout << "The book name is: " << inventory[recordNumber].getbookName() << endl << "The ISBN is: " << inventory[recordNumber].getISBN() << endl << "The year the book was published: " << inventory[recordNumber].getyearPublished() << endl << "The number of this book that we have on hand is: " << inventory[recordNumber].getnumberOnHand() << endl << "The cost of the book was $: " << inventory[recordNumber].getcostBook() << endl << "The total cost is: $" << atof((inventory[recordNumber].getcostBook()).c_str())* atoi((inventory[recordNumber].getnumberOnHand()).c_str()) << endl << "The price of the book is: $" << inventory[recordNumber].getpriceBook() << endl << "The total selling price is: $" << atof((inventory[recordNumber].getpriceBook()).c_str())* atoi((inventory[recordNumber].getnumberOnHand()).c_str()) << endl << "The name of the first author is: " << inventory[recordNumber].getbookAuthors(0) << endl << "The name of the second author is: " << inventory[recordNumber].getbookAuthors(1) << endl << "The name of the third author is: " << inventory[recordNumber].getbookAuthors(2) << endl << "The name of the fourth author? " << inventory[recordNumber].getbookAuthors(3) << endl << endl; cout << "Continue? "; char resp; cin.get(resp).get(); } } // This function permits the editing of the individual record items // one at a time given an the ISBN of the book. // void editItems(BookInventory inventory[],int const &numberItems) { string aString; char resp; int recordNumber = -1; // The ISBN for the record to be edited is requested. // clearScreen(); cout << "What is the ISBN? "; getline(cin,aString); for(int index = 0; index < numberItems;++index) { if(inventory[index].getISBN() == aString) { recordNumber = index; break; } } // If no book exists in the inventory array with the // requested ISBN, an error message is returned. // if(recordNumber == -1) { clearScreen(); cout << "Error!! There is no such book on record. Continue? "; cin.get(resp).get(); } else { // The current data for the book with the requested // ISBN is displayed. // clearScreen(); cout << "The current data on that book is:" << endl << endl << "The book name is: " << inventory[recordNumber].getbookName() << endl << "The ISBN is: " << inventory[recordNumber].getISBN() << endl << "The year the book was published: " << inventory[recordNumber].getyearPublished() << endl << "The number of this book that we have on hand is: " << inventory[recordNumber].getnumberOnHand() << endl << "The cost of the book was: $" << inventory[recordNumber].getcostBook() << endl << "The price of the book is: $" << inventory[recordNumber].getpriceBook() << endl << "The name of the first author is: " << inventory[recordNumber].getbookAuthors(0) << endl << "The name of the second author is: " << inventory[recordNumber].getbookAuthors(1) << endl << "The name of the third author is: " << inventory[recordNumber].getbookAuthors(2) << endl << "The name of the fourth author? " << inventory[recordNumber].getbookAuthors(3) << endl << endl; cout << "Continue? "; cin.get(resp).get(); // The new data for the record is requested. // cout << endl << endl << "What is the book name? "; getline(cin,aString); inventory[recordNumber].setbookName(aString); cout << endl << "What is the ISBN? "; getline(cin,aString); inventory[recordNumber].setISBN(aString); cout << endl << "What is the year the book was published? "; getline(cin,aString); inventory[recordNumber].setyearPublished(aString); cout << endl << "How many of this book do we have on hand? "; getline(cin,aString); inventory[recordNumber].setnumberOnHand(aString); cout << endl << "What was the cost of the book? "; getline(cin,aString); inventory[recordNumber].setcostBook(aString); cout << endl << "What is the price of the book? "; getline(cin,aString); inventory[recordNumber].setpriceBook(aString); cout << endl << "What is the name of the first author? "; getline(cin,aString); inventory[recordNumber].setbookAuthors(0,aString); cout << endl << "What is the name of the second author? "; getline(cin,aString); inventory[recordNumber].setbookAuthors(1,aString); cout << endl << "What is the name of the third author? "; getline(cin,aString); inventory[recordNumber].setbookAuthors(2,aString); cout << endl << "What is the name of the fourth author? "; getline(cin,aString); inventory[recordNumber].setbookAuthors(3,aString); cout << endl << "Continue? "; cin.get(resp).get(); } } // This function permits the deleting from a record that has been // selected by using the ISBN. It first asks for the ISBN and then // if the user desires it to be deleted the record is filed with // empty data. // void deleteItem(BookInventory inventory[],int const &numberItems) { string aString; char resp; int recordNumber = -1; clearScreen(); // The ISBN for the book to be deleted is requested. // cout << "What is the ISBN of the book you want to delete? "; getline(cin,aString); // The records of the inventory array are searched to // find the record with the requested ISBN. // for(int index = 0; index < numberItems;++index) { if(inventory[index].getISBN() == aString) { recordNumber = index; break; } } // If no record exists with the requested ISBN, // an error message is returned. // if(recordNumber == -1) { clearScreen(); cout << "Error!! There is no such book on record. Continue? "; cin.get(resp).get(); } else { clearScreen(); // If the record exists, the data is displayed in order // for the user to check to ensure that the record found // is the record to be deleted. // cout << "The current data on the book to be deleted is:" << endl << endl << "The book name is: " << inventory[recordNumber].getbookName() << endl << "The ISBN is: " << inventory[recordNumber].getISBN() << endl << "The year the book was published: " << inventory[recordNumber].getyearPublished() << endl << "The number of this book that we have on hand is: " << inventory[recordNumber].getnumberOnHand() << endl << "The cost of the book was: $" << inventory[recordNumber].getcostBook() << endl << "The price of the book is: $" << inventory[recordNumber].getpriceBook() << endl << "The name of the first author is: " << inventory[recordNumber].getbookAuthors(0) << endl << "The name of the second author is: " << inventory[recordNumber].getbookAuthors(1) << endl << "The name of the third author is: " << inventory[recordNumber].getbookAuthors(2) << endl << "The name of the fourth author? " << inventory[recordNumber].getbookAuthors(3) << endl << endl; cout << "Continue to delete? (Y/N)"; cin.get(resp).get(); // The user is requested to confirm that the displayed data // is the record to be deleted. If it is, then the // record is filled with empty data. // if((resp=='Y') || (resp == 'y')) { string startString = "Start"; string aString = "****"; string endString = "End"; inventory[recordNumber].setbookName(startString); inventory[recordNumber].setISBN(aString); inventory[recordNumber].setyearPublished(aString); inventory[recordNumber].setnumberOnHand(aString); inventory[recordNumber].setcostBook(aString); inventory[recordNumber].setpriceBook(aString); inventory[recordNumber].setbookAuthors(0,aString); inventory[recordNumber].setbookAuthors(1,aString); inventory[recordNumber].setbookAuthors(2,aString); inventory[recordNumber].setbookAuthors(3,endString); } } } // This function stores the data that is contained in the // inventory array into the file for later use. This is // called prior to the program ending. // void saveInventory(BookInventory inventory[],int const &numberItems) { // The data file is opened for outputing the records // that are stored in the inventory array prior to // ending the program. // string aString; ofstream outFile("inventory.txt"); // Each record in the inventory array is sent to // the data file. // for(int index = 0; index < numberItems; ++ index) { aString = inventory[index].getbookName(); outFile << aString << endl; aString = inventory[index].getISBN(); outFile << aString << endl; aString = inventory[index].getyearPublished(); outFile << aString << endl; aString = inventory[index].getnumberOnHand(); outFile << aString << endl; aString = inventory[index].getcostBook(); outFile << aString << endl; aString = inventory[index].getpriceBook(); outFile << aString << endl; aString = inventory[index].getbookAuthors(0); outFile << aString << endl; aString = inventory[index].getbookAuthors(1); outFile << aString << endl; aString = inventory[index].getbookAuthors(2); outFile << aString << endl; aString = inventory[index].getbookAuthors(3); outFile << aString << endl; } outFile.close(); } //program_id THIS.CPP //author don voils //date_written 10/26/2006 // //program_description This program demonstrates the class // pointer this. // #include<iostream> using namespace std; class AClass { private: float amount; public: AClass(float anAmount) { this->amount = anAmount; } float getAmount() { return this->amount; } void showAddress() { cout << this << endl; } }; void main() { AClass a1(10.0); AClass a2(20.0); AClass a3(30.0); cout << "The amount in a1 is " << a1.getAmount() << endl; cout << "The amount in a2 is " << a2.getAmount() << endl; cout << "The amount in a3 is " << a3.getAmount() << endl << endl; cout << "The address of a1 is "; a1.showAddress(); cout << "The address of a2 is "; a2.showAddress(); cout << "The address of a3 is "; a3.showAddress(); cout << endl << "The address of a1 is " << &a1 << endl; cout << "The address of a2 is " << &a2 << endl; cout << "The address of a3 is " << &a3 << endl << endl; } b 100.23 d 423.22 w 43.15 w 64.23 w 55.83 d 534.65 w 438.32 
Intermediate Business Programming with C++
ISBN: 738453099
EAN: N/A
EAN: N/A
Year: 2007
Pages: 142
Pages: 142