201816060101

201816060101/Lab1/Account.cpp

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+// Lab 1: Account.cpp
+// Member-function definitions for class Account.
+#include <iostream>
+using namespace std;
+
+#include "Account.h" // include definition of class Account
+
+// Account constructor initializes data member balance
+Account::Account(int initialBalance)
+{
+	balance = 0; // assume that the balance begins at 0
+
+	// if initialBalance is greater than 0, set this value as the
+	// balance of the Account; otherwise, balance remains 0
+	if (initialBalance > 0)
+		balance = initialBalance;
+
+	// if initialBalance is negative, print error message
+	if (initialBalance < 0)
+		cout << "Error: Initial balance cannot be negative.\n" << endl;
+} // end Account constructor
+
+// credit (add) an amount to the account balance
+void Account::credit(int amount)
+{
+	balance = balance + amount; // add amount to balance
+} // end function credit
+
+/* write code to define member function debit. */
+bool Account::debit(int Debit)
+{
+	//Return false if the balance is insufficient
+	if (balance < Debit) return false;
+	//Otherwise, the fee will be deducted
+	else balance -= Debit;
+	return true;
+}
+
+// return the account balance
+int Account::getBalance()
+{
+	return balance; // gives the value of balance to the calling function
+} // end function getBalance

201816060101/Lab1/Account.h

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+// Lab 1: Account.h
+// Definition of Account class.
+
+class Account
+{
+public:
+	Account(int); // constructor initializes balance
+	void credit(int); // add an amount to the account balance
+	/* write code to declare member function debit. */
+	bool debit(int);
+	int getBalance(); // return the account balance
+private:
+	int balance; // data member that stores the balance
+}; // end class Account
+

201816060101/Lab1/AccountTest.cpp

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+// Lab 1: AccountTest.cpp
+// Create and manipulate Account objects.
+#include <iostream>
+using namespace std;
+
+// include definition of class Account from Account.h
+#include "Account.h"
+
+// function main begins program execution
+int main()
+{
+	Account account1(50); // create Account object
+	Account account2(0); // create Account object
+
+	// display initial balance of each object
+	cout << "account1 balance: $" << account1.getBalance() << endl;
+	cout << "account2 balance: $" << account2.getBalance() << endl;
+
+	int withdrawalAmount; // stores withdrawal amount read from user
+
+	cout << "\nEnter withdrawal amount for account1: "; // prompt
+	cin >> withdrawalAmount; // obtain user input
+	cout << "\nsubtracting " << withdrawalAmount
+		<< " from account1 balance\n\n";
+	/* write code to withdraw money from account1 */
+	if (!account1.debit(withdrawalAmount)) cout << "Debit amount exceeded account balance.\n\n";
+
+	// display balances
+	cout << "account1 balance: $" << account1.getBalance() << endl;
+	cout << "account2 balance: $" << account2.getBalance() << endl;
+
+	cout << "\nEnter withdrawal amount for account2: "; // prompt
+	cin >> withdrawalAmount; // obtain user input
+	cout << "\nsubtracting " << withdrawalAmount
+		<< " from account2 balance\n\n";
+	/* write code to withdraw money from account2 */
+	if (!account2.debit(withdrawalAmount)) cout << "Debit amount exceeded account balance.\n\n";
+
+	// display balances
+	cout << "account1 balance: $" << account1.getBalance() << endl;
+	cout << "account2 balance: $" << account2.getBalance() << endl;
+} // end main
+

201816060101/Lab2/GradeBook.cpp

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+// Lab 2: GradeBook.cpp
+// Member-function definitions for class GradeBook.
+#include <iostream>
+using namespace std;
+
+// include definition of class GradeBook from GradeBook.h
+#include "GradeBook.h"
+
+// constructor initializes courseName and instructorName 
+// with strings supplied as arguments
+GradeBook::GradeBook(string course, string instructor)
+{
+	setCourseName(course); // initializes courseName
+	setInstructorName(instructor); // initialiZes instructorName
+} // end GradeBook constructor
+
+// function to set the course name
+void GradeBook::setCourseName(string name)
+{
+	courseName = name; // store the course name
+} // end function setCourseName
+
+// function to retrieve the course name
+string GradeBook::getCourseName()
+{
+	return courseName;
+} // end function getCourseName
+
+/* write code to define a get member function for the instructor's name */
+string GradeBook::getInstructorName()
+{
+	return instructorName;
+}
+
+/* write code to define a set member function for the instructor's name */
+void GradeBook::setInstructorName(string name)
+{
+	instructorName = name;
+}
+
+// display a welcome message and the instructor's name
+void GradeBook::displayMessage()
+{
+	// display a welcome message containing the course name
+	cout << "Welcome to the grade book for\n" << getCourseName() << "!"
+		<< endl;
+	/* write code to output the instructor's name */
+	cout << "This course is presented by: " << getInstructorName() << "\n";
+} // end function displayMessage
+

201816060101/Lab2/GradeBook.h

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+// Lab 2: GradeBook.h
+// Definition of GradeBook class that stores an instructor's name.
+#include <string> // program uses C++ standard string class
+using namespace std;
+
+// GradeBook class definition
+class GradeBook
+{
+public:
+	// constructor initializes course name and instructor name
+	GradeBook(string, string);
+	void setCourseName(string); // function to set the course name
+	string getCourseName(); // function to retrieve the course name
+	/* write code to declare a get function for the instructor's name */
+	string getInstructorName();
+	/* write code to declare a set function for the instructor's name */
+	void setInstructorName(string);
+	void displayMessage(); // display welcome message and instructor name
+private:
+	string courseName; // course name for this GradeBook
+	string instructorName; // instructor name for this GradeBook
+}; // end class GradeBook  
+

201816060101/Lab2/GradeBookTest.cpp

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+// Lab 2: GradeBookTest.cpp
+// Test program for modified GradeBook class.
+#include <iostream>
+using namespace std;
+
+// include definition of class GradeBook from GradeBook.h
+#include "GradeBook.h"
+
+// function main begins program execution
+int main()
+{
+	// create a GradeBook object; pass a course name and instructor name
+	GradeBook gradeBook("CS101 Introduction to C++ Programming", "Sam Smith");
+
+	// display welcome message and instructor's name
+	gradeBook.displayMessage();
+
+	/* write code to change instructor's name and output changes */
+	cout << "\nChanging instructor name to Judy Jones\n\n";
+	gradeBook.setInstructorName("Judy Jones");
+
+	// display welcome message and instructor's name
+	gradeBook.displayMessage();
+} // end main

201816060101/Lab3/Employee.cpp

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+// Lab 3: Employee.cpp
+// Employee class member-function definitions.
+#include <iostream>
+using namespace std;
+
+#include "Employee.h" // Employee class definition
+
+/* Define the constructor. Assign each parameter value to the appropriate data
+   member. Write code that validates the value of salary to ensure that it is
+   not negative. */
+Employee::Employee(string FirstName, string LastName, int MonthlySalary) :FirstName(FirstName), LastName(LastName), MonthlySalary(MonthlySalary) {}
+
+/* Define a set function for the first name data member. */
+void Employee::setFirstName(string _FirstName)
+{
+	FirstName = _FirstName;
+}
+
+/* Define a get function for the first name data member. */
+string Employee::getFirstName()
+{
+	return FirstName;
+}
+
+/* Define a set function for the last name data member. */
+void Employee::setLastName(string _LastName)
+{
+	LastName = _LastName;
+}
+
+/* Define a get function for the last name data member. */
+string Employee::getLastName()
+{
+	return LastName;
+}
+
+/* Define a set function for the monthly salary data member. Write code
+   that validates the salary to ensure that it is not negative. */
+void Employee::setMonthlySalary(int _MonthlySalary)
+{
+	if (_MonthlySalary <= 0) MonthlySalary = 0;
+	else MonthlySalary = _MonthlySalary;
+}
+
+/* Define a get function for the monthly salary data member. */
+int Employee::getMonthlySalary()
+{
+	return MonthlySalary;
+}

201816060101/Lab3/Employee.h

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+// Lab 3: Employee.h
+// Employee class definition.
+
+#include <string> // program uses C++ standard string class
+using namespace std;
+
+// Employee class definition
+class Employee
+{
+public:
+	/* Declare a constructor that has one parameter for each data member */
+	Employee(string, string, int);
+	/* Declare a set method for the employee's first name */
+	void setFirstName(string);
+	/* Declare a get method for the employee's first name */
+	string getFirstName();
+	/* Declare a set method for the employee's last name */
+	void setLastName(string);
+	/* Declare a get method for the employee's last name */
+	string getLastName();
+	/* Declare a set method for the employee's monthly salary */
+	void setMonthlySalary(int);
+	/* Declare a get method for the employee's monthly salary */
+	int getMonthlySalary();
+private:
+	/* Declare a string data member for the employee's first name */
+	string FirstName;
+	/* Declare a string data member for the employee's last name */
+	string LastName;
+	/* Declare an int data member for the employee's monthly salary */
+	int MonthlySalary;
+}; // end class Employee

201816060101/Lab3/EmployeeTest.cpp

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+// Lab 3: EmployeeTest.cpp
+// Create and manipulate two Employee objects.
+#include <iostream>
+using namespace std;
+
+#include "Employee.h" // include definition of class Employee
+
+// function main begins program execution
+int main()
+{
+	/* Create two Employee objects and assign them to Employee variables. */
+	Employee a("BoB", "Jones", 34500 / 12), b("Susan", "Baker", 37800 / 12);	//Initializing elements
+   /* Output the first name, last name and salary for each Employee. */
+	cout << "Employee 1: " << a.getFirstName() << " " << a.getLastName() << "; Yearly Salary: " << a.getMonthlySalary() * 12 << "\n";
+	cout << "Employee 2: " << b.getFirstName() << " " << b.getLastName() << "; Yearly Salary: " << b.getMonthlySalary() * 12 << "\n";
+
+	/* Give each Employee a 10% raise. */
+	cout << "\nIncreasing employee salaries by 10%\n";
+	a.setMonthlySalary(a.getMonthlySalary() * 1.1);
+	b.setMonthlySalary(b.getMonthlySalary() * 1.1);
+
+	/* Output the first name, last name and salary of each Employee again. */
+	cout << "Employee 1: " << a.getFirstName() << " " << a.getLastName() << "; Yearly Salary: " << a.getMonthlySalary() * 12 << "\n";
+	cout << "Employee 2: " << b.getFirstName() << " " << b.getLastName() << "; Yearly Salary: " << b.getMonthlySalary() * 12 << "\n";
+} // end main

201816060101/Lab4/Complex.cpp

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+// Lab 4: Complex.cpp
+// Member-function definitions for class Complex.
+#include <iostream> 
+using namespace std;
+
+#include "Complex.h"
+
+Complex::Complex(double real, double imaginary)
+{
+	setComplexNumber(real, imaginary);
+} // end Complex constructor
+
+Complex Complex::add(const Complex &right)
+{
+	/* Write a statement to return a Complex object. Add
+	   the realPart of right to the realPart of this Complex
+	   object and add the imaginaryPart of right to the
+	   imaginaryPart of this Complex object */
+	return Complex(realPart + right.realPart, imaginaryPart + right.imaginaryPart);
+} // end function add
+
+Complex Complex::subtract(const Complex &right)
+{
+	/* Write a statement to return a Complex object. Subtract
+	   the realPart of right from the realPart of this Complex
+	   object and subtract the imaginaryPart of right from
+	   the imaginaryPart of this Complex object */
+	return Complex(realPart - right.realPart, imaginaryPart - right.imaginaryPart);
+} // end function subtract
+
+void Complex::printComplex()
+{
+	cout << '(' << realPart << ", " << imaginaryPart << ')';
+} // end function printComplex
+
+void Complex::setComplexNumber(double rp, double ip)
+{
+	realPart = rp;
+	imaginaryPart = ip;
+} // end function setComplexNumber 

201816060101/Lab4/Complex.h

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+// Lab 4: Complex.h
+#ifndef COMPLEX_H
+#define COMPLEX_H
+
+/* Write class definition for Complex */
+class Complex {
+public:
+	Complex(double = 0, double = 0);
+	Complex add(const Complex&);
+	Complex subtract(const Complex&);
+	void printComplex();
+	void setComplexNumber(double, double);
+private:
+	double realPart, imaginaryPart;
+};
+
+#endif