Write the Java program bellow: add a new HourlyEmployee class to this project, so that it makes the main function work as shown in the sample output. Specifically you will need: To define HourlyEmployee as a sub-class of Employee (so it extends Employee). Two additional instance variables: an hourlyRate (dollars/hour) and an expectedHoursPerWeek. Both of these should have datatype double. A constructor that has all instance variables as parameters An input() function that overrides and uses its super-class input function, also inputting the two variables above. A weeksPay() method that returns the expectedHoursPerWeek times hourlyRate. An accessor (getter) and mutator (setter) for expectedHoursPerWeek An output() method that overrides and uses its super-class output function, also outputting the expected hours per week.
Write the Java program bellow: add a new HourlyEmployee class to this project, so that it makes the main function work as shown in the sample output. Specifically you will need: To define HourlyEmployee as a sub-class of Employee (so it extends Employee). Two additional instance variables: an hourlyRate (dollars/hour) and an expectedHoursPerWeek. Both of these should have datatype double. A constructor that has all instance variables as parameters An input() function that overrides and uses its super-class input function, also inputting the two variables above. A weeksPay() method that returns the expectedHoursPerWeek times hourlyRate. An accessor (getter) and mutator (setter) for expectedHoursPerWeek An output() method that overrides and uses its super-class output function, also outputting the expected hours per week.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Question
Write the Java program bellow:
add a new HourlyEmployee class to this project, so that it makes the main function work as shown in the sample output. Specifically you will need:
- To define HourlyEmployee as a sub-class of Employee (so it extends Employee).
- Two additional instance variables: an hourlyRate (dollars/hour) and an expectedHoursPerWeek. Both of these should have datatype double.
- A constructor that has all instance variables as parameters
- An input() function that overrides and uses its super-class input function, also inputting the two variables above.
- A weeksPay() method that returns the expectedHoursPerWeek times hourlyRate.
- An accessor (getter) and mutator (setter) for expectedHoursPerWeek
- An output() method that overrides and uses its super-class output function, also outputting the expected hours per week.
Code:
import java.util.Scanner;
import java.util.ArrayList;
class Main
{
publicstaticvoid main(String[] args)
{
Scanner scan = new Scanner(System.in);
int i;
String input = "starting"; // initialize so loop condition below is true
ArrayList<Person> people = new ArrayList<Person>();
System.out.println("This program allows you to enter info about people.");
// a for-loop can have any condition you want:
// in this case, count with i, but repeat until user enters 'q'
for(i = 0; input.charAt(0) != 'q'; i++)
{
System.out.print("Is person #" + (i + 1) + " an employee? (Enter 'y' for Yes, 'n' for No, or 'q' to stop entering employees) ");
input = scan.nextLine();
if (input.charAt(0) == 'y') // Employee:
{
System.out.print("Is this person on salary, hourly, or neither? (Enter 's', 'h', or 'n') ");
input = scan.nextLine();
if (input.charAt(0) == 's')
{ // SalariedEmployee object
people.add(new SalariedEmployee());
}
elseif (input.charAt(0) == 'h')
{ // HourlyEmployee
people.add(new HourlyEmployee());
}
else
{ // Employee object
people.add(new Employee());
}
}
elseif (input.charAt(0) == 'n')
{ // Person object
people.add(new Person());
}
else// neither 'y' nor 'n': no Person. Maybe quit?
continue; // skip the rest of the loop body
// input this person's data. Because of polymorphism,
// the appropriate input function will be called
// (not necessarily the one defined in the Person class)
people.get(i).input();
// this function is defined in the Person class only,
// but it works for all because of inheritance:
people.get(i).sayGoodMorning();
if(people.get(i) instanceof SalariedEmployee) // if this is a SalariedEmployee
{
System.out.println("Your salary is $"
+ ((SalariedEmployee)people.get(i)).monthsPay()
+ " per month.");
}
elseif(people.get(i) instanceof HourlyEmployee) // if this is an HourlyEmployee
{
// Save a reference to the object, for easier coding:
HourlyEmployee he = (HourlyEmployee)people.get(i);
System.out.println("Your weekly pay is $"
+ he.weeksPay());
double hoursEntered = he.getHoursPerWeek();
he.setHoursPerWeek(40);
System.out.println("If you worked 40 hours per week, your weekly pay would be $"
+ he.weeksPay());
// return to original valued entered by user:
he.setHoursPerWeek(hoursEntered);
}
} // end of for loop
System.out.println("Here are all the people:");
for(Person p : people)
p.output();
}
}
/* Sample Output:
This program allows you to enter info about people.
Is person #1 an employee? (Enter 'y' for Yes, 'n' for No, or 'q' to stop entering employees) y
Is this person on salary, hourly, or neither? (Enter 's', 'h', or 'n') h
Please enter first name: Ed
Please enter last name: Sheeran
Please enter Social Security Number: 123-45-6789
Please enter country of citizenship: UK
Please enter hourly rate: $100
Please enter expected hours to work each week: 30
Good morning, Ed Sheeran
Your weekly pay is $3000.0
If you worked 40 hours per week, your weekly pay would be $4000.0
Is person #2 an employee? (Enter 'y' for Yes, 'n' for No, or 'q' to stop entering employees) y
Is this person on salary, hourly, or neither? (Enter 's', 'h', or 'n') s
Please enter first name: John
Please enter last name: Legend
Please enter Social Security Number: 111-11-1111
Please enter country of citizenship: USA
Please enter salary: 1000000
Good morning, John Legend
Your salary is $83333.33333333333 per month.
Is person #3 an employee? (Enter 'y' for Yes, 'n' for No, or 'q' to stop entering employees) y
Is this person on salary, hourly, or neither? (Enter 's', 'h', or 'n') n
Please enter first name: Ray
Please enter last name: LaMontagne
Please enter Social Security Number: 222-22-2222
Please enter country of citizenship: USA
Good morning, Ray LaMontagne
Is person #4 an employee? (Enter 'y' for Yes, 'n' for No, or 'q' to stop entering employees) n
Please enter first name: Bruno
Please enter last name: Mars
Good morning, Bruno Mars
Is person #5 an employee? (Enter 'y' for Yes, 'n' for No, or 'q' to stop entering employees) q
Here are all the people:
1 Ed Sheeran 123-45-6789 UK
currently working 30.0 hours per week
2 John Legend 111-11-1111 USA
3 Ray LaMontagne 222-22-2222 USA
4 Bruno Mars
*/
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