A1

#include <iostream>
using std::cout;

#include "Employee.h"


Employee::Employee(string first, string last, int salary)
{
    setFirstName(first);
    setLastName(last);
    setMonthlySalary(salary);

}

void Employee::setFirstName(string name)
{
        firstName = name;
}

string Employee::getFirstName()
{
    return firstName;
}

void Employee::setLastName(string name)
{
    lastName = name;
}


string Employee::getLastName()
{
    return lastName;
}


void Employee::setMonthlySalary(int salary)
{
    if (salary > 0)
        monthlySalary = salary;

    if (salary <= 0)
        monthlySalary = 0;
}

int Employee::getMonthlySalary()
{
    return monthlySalary;
}





#include <iostream>
#include "Employee.h" // include definition of class Employee

using namespace std;

// function main begins program execution
int main()
{
   // create two Employee objects
   Employee employee1( "Lisa", "Roberts", 4500 );
   Employee employee2( "Mark", "Stein", 4000 );

   // display each Employee's yearly salary
   cout << "Employees' yearly salaries: " << endl;

   // retrieve and display employee1's monthly salary multiplied by 12
   int monthlySalary1 = employee1.getMonthlySalary();
   cout << employee1.getFirstName() << " " << employee1.getLastName()
      << ": $" << monthlySalary1 * 12 << endl;

   // retrieve and display employee2's monthly salary multiplied by 12
   int monthlySalary2 = employee2.getMonthlySalary();
   cout << employee2.getFirstName() << " " << employee2.getLastName()
      << ": $" << monthlySalary2 * 12 << endl;

   // give each Employee a 10% raise
   employee1.setMonthlySalary( monthlySalary1 * 1.1 );
   employee2.setMonthlySalary( monthlySalary2 * 1.1 );

   // display each Employee's yearly salary again
   cout << "\nEmployees' yearly salaries after 10% raise: " << endl;

   // retrieve and display employee1's monthly salary multiplied by 12
   monthlySalary1 = employee1.getMonthlySalary();
   cout << employee1.getFirstName() << " " << employee1.getLastName()
      << ": $" << monthlySalary1 * 12 << endl;

   monthlySalary2 = employee2.getMonthlySalary();
   cout << employee2.getFirstName() << " " << employee2.getLastName()
      << ": $" << monthlySalary2 * 12 << endl;

   // Some more test cases

   employee1.setMonthlySalary(0);
   cout << "\nMonthly salary is: $" << employee1.getMonthlySalary() << endl;

   employee2.setMonthlySalary(-1);
   cout << "\nMonthly salary is: $" << employee2.getMonthlySalary() << endl;

   employee1.setFirstName("R");
   cout << "The first name is: " << employee1.getFirstName() << endl;

   employee2.setLastName("");
   cout << "The last name is: " << employee2.getLastName() << endl;


   // Create some extra Employee objects to test ctor a bit more

   Employee employee3("", "Z", 0);
   cout << "\nThe first name is: " << employee3.getFirstName() << endl;
   cout << "The last name is: " << employee3.getLastName() << endl;
   cout << "Monthly salary is: $" << employee3.getMonthlySalary() << endl;

   Employee employee4("M", "", -1);
   cout << "\nThe first name is: " << employee4.getFirstName() << endl;
   cout << "The last name is: " << employee4.getLastName() << endl;
   cout << "Monthly salary is: $" << employee4.getMonthlySalary() << endl;

   cout << "\n";

   system("pause");
} // end main




#include<string>
using std::string;


class Employee {
public:
    Employee(string, string, int);
    void setFirstName(string);
    string getFirstName();
    void setLastName(string);
    string getLastName();
    void setMonthlySalary(int);
    int getMonthlySalary();

private:
    string firstName;
    string lastName;
    int monthlySalary;
};



OUTPUT SHOULD BE LIKE THIS:
Employees' yearly salaries:
Lisa Roberts: $54000
Mark Stein: $48000

Employees' yearly salaries after 10% raise:
Lisa Roberts: $59400
Mark Stein: $52800

Monthly salary is: $0

ERROR - Invalid salary amount specified: $-1
Salary was left unchanged at: $4400

Monthly salary is: $4400

ERROR - invalid length string entered for first name in setFirstName(): R
The first name was left unchanged: Lisa
The first name is: Lisa

ERROR - invalid length string entered for last name in setLastName():
The last name was left unchanged: Stein
The last name is: Stein

Warning - invalid length string entered for first name in ctor:
The string that was entered will be used for now.

Warning - invalid length string entered for last name in ctor: Z
The string that was entered will be used for now.

The first name is:
The last name is: Z
Monthly salary is: $0

Warning - invalid length string entered for first name in ctor: M
The string that was entered will be used for now.

Warning - invalid length string entered for last name in ctor:
The string that was entered will be used for now.

Invalid salary amount specified in ctor: $-1
Salary set to $0 instead.

The first name is: M
The last name is:
Monthly salary is: $0

Press any key to continue . . .