Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question

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| Also, workers in skill level 3 can elect to participate in the retirement plan at 3% of their gross pay. Write an interactive Java payroll application that calculates the net pay for a factory worker. The program prompts the user for skill level and hours worked, as well as appropriate insurance and retirement options for the employee's skill level category. The application displays: (1) the hours worked, (2) the hourly pay rate, (3) the regular pay for 40 hours, (4) the overtime pay, (5) the total of regular and overtime pay, and (6) the total itemized deductions. If the deductions exceed the gross pay, display an error message; otherwise, calculate and display (7) the net pay after all the deductions have been subtracted from the gross. Save the file as Pay.java. A Command Prompt - java Pay Input :\JavaBatchfile>javac Pay.java :\JavabatchFile>java Pay Do you want the long term disability insurance? ? Enter 1 for Yes and 2 for No. Input OK Cancel Please enter skill level: 1, 2, or 3 ? 2 OK Cancel Message Input ******* Gross Pay ****** Hours Worked: 45.0 Please enter hours worked: ? 45 Hourly Pay Rate: 20.0 Regular Pay: 800.0 Overtime Pay: 150.0 OK Cancel Total Pay: 950.0 Input ******* Deductions ******* Medical: 32.5 ? Do you want the medical insurance? Dental: 20.0 Enter 1 for Yes and 2 for No. Disability: 10.0 1 Retirement: 0.0 Total Deductions: 62.5 OK Cancel Net Pay: $887.5 ок Input ? Do you want the dental insurance? I did not print screens for every scenario (no overtime, no insurance, and no disability, etc., but I will check several different scenarios when I grade your program, so please check the program for logic/calculation errors to receive full credit. Enter 1 for Yes and 2 for No. OK Cancel
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Transcribed Image Text:| Also, workers in skill level 3 can elect to participate in the retirement plan at 3% of their gross pay. Write an interactive Java payroll application that calculates the net pay for a factory worker. The program prompts the user for skill level and hours worked, as well as appropriate insurance and retirement options for the employee's skill level category. The application displays: (1) the hours worked, (2) the hourly pay rate, (3) the regular pay for 40 hours, (4) the overtime pay, (5) the total of regular and overtime pay, and (6) the total itemized deductions. If the deductions exceed the gross pay, display an error message; otherwise, calculate and display (7) the net pay after all the deductions have been subtracted from the gross. Save the file as Pay.java. A Command Prompt - java Pay Input :\JavaBatchfile>javac Pay.java :\JavabatchFile>java Pay Do you want the long term disability insurance? ? Enter 1 for Yes and 2 for No. Input OK Cancel Please enter skill level: 1, 2, or 3 ? 2 OK Cancel Message Input ******* Gross Pay ****** Hours Worked: 45.0 Please enter hours worked: ? 45 Hourly Pay Rate: 20.0 Regular Pay: 800.0 Overtime Pay: 150.0 OK Cancel Total Pay: 950.0 Input ******* Deductions ******* Medical: 32.5 ? Do you want the medical insurance? Dental: 20.0 Enter 1 for Yes and 2 for No. Disability: 10.0 1 Retirement: 0.0 Total Deductions: 62.5 OK Cancel Net Pay: $887.5 ок Input ? Do you want the dental insurance? I did not print screens for every scenario (no overtime, no insurance, and no disability, etc., but I will check several different scenarios when I grade your program, so please check the program for logic/calculation errors to receive full credit. Enter 1 for Yes and 2 for No. OK Cancel
Expert Solution
Check Mark
Step 1

Note:

  • Comments mentioned in the code for understandability.
  • In the implementation:
    • If skill level =1 then hourlypay rate considered as 17.
    • If skill level =2 then hourlypay rate considered as 20.
    • If skill level =3 then hourlypay rate considered as 22.

Code:

import javax.swing.JOptionPane;
public class Pay
{
     
    public static void main(String argds[])
    {
        //variable declaration
        int REGULAR_HOURS =40;
        int skillLevel;
         int hoursWorked;
         int medicalOption;
         int dentalOption;
         int disabilityOption;
         double medicalCost=0.0;
         double dentalCost=0.0;
         double disabilityCost=0.0;
         int retirementPlan;
         double hourlyPayRate;
         double regularPay;
         int overtimeHoursWorked;
         double overtimePay;
         double totalPay;
         double deductions;
         double insuranceCost;
         double retirementCost;
         double netPay;

         //Getting skill Level from user
         do{
        skillLevel =Integer.parseInt(JOptionPane.showInputDialog("Please Enter sill level: 1,2 or 3 "));
         } while(skillLevel<1 || skillLevel>3);

         //Getting hours worked from user
        hoursWorked =Integer.parseInt(JOptionPane.showInputDialog("Please Enter Hours worked: "));

        //getting Medical insurance option from user
       do{ 
        medicalOption =Integer.parseInt(JOptionPane.showInputDialog("Do you want the medical insurance?\nEnter 1 for Yes and 2 for No. "));
        }while(medicalOption<1 || medicalOption>2);

        // Getting dental insurance option from user
        do{
        dentalOption =Integer.parseInt(JOptionPane.showInputDialog("Do you want the dental insurance?\nEnter 1 for Yes and 2 for No. "));
        }while(dentalOption<1 || dentalOption>2);
        
        // Getting diability insurance option  from user
        do{
        disabilityOption =Integer.parseInt(JOptionPane.showInputDialog("Do you want the long term disability insurance?\nEnter 1 for Yes and 2 for No. "));
        }while(disabilityOption<1 || disabilityOption>2);

          
        //Calculating hourly pay rate based on skill level    
        switch(skillLevel)
        {
            case 1:
                hourlyPayRate = 17.00;
                break;
            case 2:
                hourlyPayRate = 20.00;
                break;
            case 3:
                hourlyPayRate = 22.00;
                break;
            default:
                hourlyPayRate = 0.0;
        }
        
        //Calculating regular pay and overtime pay vased on hours worked
        if(hoursWorked > 40)
        {
            regularPay = REGULAR_HOURS * hourlyPayRate;
            overtimeHoursWorked = hoursWorked - REGULAR_HOURS;
            overtimePay=overtimeHoursWorked*(hourlyPayRate*1.5);
        }
        else
        {
            regularPay = hoursWorked * hourlyPayRate;
            overtimePay= 0.0;
        }

        //Claculate totalpay
        totalPay =  regularPay +overtimePay;

        //Calculating Insurance cost based on medical,dental and disability insurance options.
        insuranceCost= 0.0;
        if(medicalOption == 1)
        {
            insuranceCost += 32.50;
            medicalCost =32.50;

        }   
        if(dentalOption == 1)
            {
                insuranceCost += 20.00;
                dentalCost =20.00;
            }
        if(disabilityOption == 1)
        {
            insuranceCost += 10.00;
            disabilityCost =10.00;
        }    

        //calculating retiremnet cost based on skill level.
        retirementCost=0.0;
        if(skillLevel == 3)
        {
            retirementCost = (totalPay * 3)/100;
        }   
        
        //Calculating deductions
        deductions = insuranceCost + retirementCost;
        //if deductions is greater than total pay then error message is displayed.
        if(deductions > totalPay)
        {
            JOptionPane.showMessageDialog(null,"Error: the deductions exceed the gross pay, so deductions set to 0.");
            deductions=0.0;
        }

        //calculating total pay
        netPay = totalPay - deductions;

        //Desgining a string to display output
        String s1= "******* Gross Pay *******"
                   +"\n Hours Worked: "+hoursWorked
                   +"\n Hourly Pay rate: "+hourlyPayRate
                   +"\n Regular Pay: "+regularPay
                   +"\n Overtime Pay: "+overtimePay
                   +"\n Total Pay: "+totalPay
                   + "\n\n******* Deductions *******"
                    +"\n Medical: "+medicalCost
                    +"\n Dental: "+dentalCost
                    +"\n Disability: "+disabilityCost
                    +"\n Retirement: "+retirementCost
                    +"\n Total deductions: "+deductions
                    +"\n\nNet Pay: "+netPay;
        
        // Display string 
        JOptionPane.showMessageDialog(null,s1);
    }
}
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