Answered: Using the dialog boxes in the…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

package payroll2;

// This program calculates an employee's take home pay.

import javax.swing.JOptionPane;

public class Payroll

{

private static double sum;

private static double salary;

private static double dependentDeduction;

public static void main(String args[])

{

double salary;

double numDependents;

double dependentDeduction = salary * 0.025 * numDependents;

double stateTax = salary * 0.065;

double federalTax = salary * 0.28;

double totalWithholding= stateTax + federalTax;

double takeHomePay = salary - stateTax - federalTax + dependentDeduction;

// Calculate state tax here.

JOptionPane.showInputDialog("Enter Employee name: ");

JOptionPane.showInputDialog("Enter Salary: ");//prompt

JOptionPane.showInputDialog("Enter number of dependents: "); //prompt

sum = salary * numDependents; // multiply numbers

JOptionPane.showMessageDialog(null,"State Tax: $/");

sum = salary * 0.065; // multiply numbers

JOptionPane.showMessageDialog(null,"Federal Tax: $" + federalTax);

// Calculate dependant deduction here.

sum = salary * 0.28; // multiply numbers

JOptionPane.showMessageDialog(null,"Total Withholdings: $" + dependentDeduction);

// Calculate total withholding here.

sum = stateTax * federalTax;

JOptionPane.showMessageDialog(null,"Take Home Pay: $" + takeHomePay);

//Calculate take home pay

sum = salary - stateTax - federalTax + dependentDeduction;

System.exit(0);

}

I can not get it to work. My salary and numDependents is still not working. Same errors as before. I've never used this JOptionPane before, so I don't know what to do. I'm just trying to get it to calculate my input from salary and dependents.

Using the dialog boxes in the JOptionPane class, write a program that calculates and prints the
monthly paycheck for an employee. The net pay is calculated aftertaking thefollowing deductions:
a) Federal Income Tax: 15%
b) State Tax: 3.5%
c) Social Security Tax: 5.75%
d) Medicare/Medicaid Tax: 2.75%
e) Pension Plan" 5%
f) Health Insurance: $ 75.00
Your program should prompt the user to input the gross amount and the employee name. Format
the output to have two decimal places. A sample output follows:
Juan Dela Cruz
$ 3575.00
$ 536. 25
$ 125.13
$ 205.56
$ 98.31
$ 178.75
$ 75.00
$ 2356.00
Gross Amount:
Federal Tax:
State Tax:
Social Security Tax:
Medicare/Medicaid Tax:
Pension Plan:
Health Insurance:
Net Pay:

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