Create the Employee class: The Employee class has three attributes: private: string firstName; string lastName; string...
Create the Employee class:
The Employee class has three attributes:
private:
string firstName;
string lastName;
string SSN;
The Employee class has
▪ a no-arg constructor (a no-arg contructor is a contructor with an empty parameter list): In this no-arg constructor, use “unknown” to initialize all private attributes.
▪ a constructor with parameters for each of the attributes
▪ getter and setter methods for each of the private attributes
▪ a method getFullName() that returns the last name, followed by a comma and space, followed by the first name
The Employee class contains information common to all employees; however, we need to store additional information about specific groups of employees, such as hourly workers or salaried workers. For hourly workers, we need to store their hourly rate and the number of hours worked in the past week we also need to calculate their pay for the past week.
Create a subclass HourlyEmployee of Employee
Employee is the superclass
HourlyEmployee is the subclass
The HourlyEmployee has addtional attributes:
private:
float hourlyRate;
int hrsWorked;
The HourlyEmployee class has
▪ a constructor with parameters for each of the attributes (Self-learning: how to call the second constructor defined in the superclass to initialize the private attributes defined in the super class through the constructor of the subclass.)
▪ getter and setter methods for each of the private attributes
▪ a new method used to calculate the weekly salary of an hourly employee. The implementation of this
method is given as follows.
double HourlyEmployee::calcWeeklySalary()
{
double overtime = 0.0;
if (hrsWorked > 40)
{
overtime = (hrsWorked - 40)
* (0.5 * hourlyRate);
}
return overtime + hrsWorked * hourlyRate;
}
Your need to create the Employee class and the HourlyEmployee class as required above to make sure the following given main function will produce the right output.
intmain(){
Employee emp1;
cout<<emp1.getFirstName()<<" "<<emp1.getLastName()<<" "<<emp1.getSSN()<<endl;
cout<<emp1.getFullName()<<endl;
Employee emp2("Alice", "Lackey", "291294949");
cout<<emp2.getFirstName()<<" "<<emp2.getLastName()<<" "<<emp2.getSSN()<<endl;
cout<<emp2.getFullName()<<endl;
HourlyEmployee hremp1("Tom", "Steele", "3235245", 7.8, 20);
cout<<hremp1.getFirstName()<<" "<<hremp1.getLastName()<<" "<<hremp1.getSSN()<<" "<<hremp1.getHourlyRate()<<" "<<hremp1.getHrsWorked()<<endl;
cout<<hremp1.getFullName()<<endl;
cout<<hremp1.calcWeeklySalary()<<endl;
hremp1.setFirstName("Bob");
hremp1.setLastName("Zhang");
hremp1.setSSN("9879870897");
hremp1.setHourlyRate(8.5);
hremp1.setHrsWorked(18);
cout<<hremp1.calcWeeklySalary()<<endl;
}
unknown unknown unknown
unknown, unknown
Alice Lackey 291294949
Lackey, Alice
Tom Steele 3235245 7.8 20
Steele, Tom
156
153
Homework Answers
Program:
#include<iostream>
using namespace std;
//Class Employee (Parent class)
class Employee
{
//class members firstname, lastname and ssn
private:
string firstName;
string lastName;
string SSN;
public:
Employee();
Employee(string, string, string);
string getFirstName();
string getLastName();
string getSSN();
void setFirstName(string);
void setLastName(string);
void setSSN(string);
string getFullName();
};
//default constructor
Employee :: Employee()
{
//set firstname, lastname and SSN to unknown
firstName = "unknown";
lastName = "unknown";
SSN = "unknown";
}
//constructor with parameters
Employee :: Employee(string set_firstname, string set_lastname, string set_ssn)
{
//set firstname, lastname and SSN to unknown
firstName = set_firstname;
lastName = set_lastname;
SSN = set_ssn;
}
//method that returns the firstname
string Employee :: getFirstName()
{
return firstName;
}
//method that returns the lastname
string Employee :: getLastName()
{
return lastName;
}
//method that returns SSN
string Employee :: getSSN()
{
return SSN;
}
//method that sets firstname
void Employee :: setFirstName(string fname)
{
firstName = fname;
}
//method that sets lastname
void Employee :: setLastName(string lname)
{
lastName = lname;
}
//method that sets SSn
void Employee :: setSSN(string ssn)
{
SSN = ssn;
}
//method that returns fullname
string Employee :: getFullName()
{
return lastName + ", " + firstName;
}
//class HourlyEmployee that inherits Employee class
class HourlyEmployee: public Employee
{
private:
float hourlyRate;
int hrsWorked;
public:
HourlyEmployee(string, string, string, float, int);
float getHourlyRate();
int getHrsWorked();
void setHourlyRate(float);
void setHrsWorked(int);
double calcWeeklySalary();
};
//parameterized constructor, call the parent class parameterized constructor
HourlyEmployee:: HourlyEmployee(string fname, string lname, string ssn, float rate, int hrs) : Employee(fname, lname, ssn)
{
hourlyRate = rate;
hrsWorked = hrs;
}
//method that gets hourlyRate
float HourlyEmployee:: getHourlyRate()
{
return hourlyRate;
}
//method that gets hours worked
int HourlyEmployee:: getHrsWorked()
{
return hrsWorked;
}
//method that sets hourlyRate
void HourlyEmployee:: setHourlyRate(float rate)
{
hourlyRate = rate;
}
//method that sets hours worked
void HourlyEmployee:: setHrsWorked(int hrs)
{
hrsWorked = hrs;
}
double HourlyEmployee:: calcWeeklySalary()
{
double overtime = 0.0;
if (hrsWorked > 40)
{
overtime = (hrsWorked - 40)
* (0.5 * hourlyRate);
}
return overtime + hrsWorked * hourlyRate;
}
int main()
{
Employee emp1;
cout<<emp1.getFirstName()<<" "<<emp1.getLastName()<<" "<<emp1.getSSN()<<endl;
cout<<emp1.getFullName()<<endl;
Employee emp2("Alice", "Lackey", "291294949");
cout<<emp2.getFirstName()<<" "<<emp2.getLastName()<<" "<<emp2.getSSN()<<endl;
cout<<emp2.getFullName()<<endl;
HourlyEmployee hremp1("Tom", "Steele", "3235245", 7.8, 20);
cout<<hremp1.getFirstName()<<" "<<hremp1.getLastName()<<" "<<hremp1.getSSN()<<" "<<hremp1.getHourlyRate()<<" "<<hremp1.getHrsWorked()<<endl;
cout<<hremp1.getFullName()<<endl;
cout<<hremp1.calcWeeklySalary()<<endl;
hremp1.setFirstName("Bob");
hremp1.setLastName("Zhang");
hremp1.setSSN("9879870897");
hremp1.setHourlyRate(8.5);
hremp1.setHrsWorked(18);
cout<<hremp1.calcWeeklySalary()<<endl;
}
output:
unknown unknown unknown
unknown,unknown
Alice Lackey 291294949
Lackey,Alice
Tom Steele 3235245 7.8 20
Steele,Tom
156
153
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