Question

PAYROLL FRO Employees at a store are paid daily wages according to the following rules • Each employee is paid the same fixed amount per day. • Each employee is paid an additional amount for each item they sold on that day. Daily Bonus: If the number of items sold that day by an employee is greater than a computed threshold, then the employee also receives a bonus equal to 10 percent of the employee's daily wages You will write two methods in the Payroll class below. public class Payroll private int ( items Sold; // number of items sold by each employee private double wages; // wages to be computed in part (b) /*+ Returns the bonus threshold as described in part (a). public double computeBonus Threshold /* To be implemented in part (a) */ /** Computes employee wages as described in part (b) * and stores them in wages. • The parameter fixedwage represents the fixed amount each employee * is paid per day. The parameter peritemWage represents the amount each employee * is paid per item sold. public void computewages (double fixedWage, double per ItemWage) /* To be implemented in part (b) */ // Other instance variables, constructors, and methods not shown.

Answer 1

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Code:

========payroll.java======

public class Payroll
{
private int[] itemsSold;
  
private double[] wages;
  
//constructor is just kept for demonstrating the code output
public Payroll()
{
itemsSold = new int[] {48,50,37,62,38,70,55,37,64,60};
wages = new double[10];
}
  
/*
to compute Bonus Threshold, you have to find sum Of Items Sold, highest and lowest
deduct highest and lowest from sum Of Items Sold and then divide by number of items -2
to find the bonus Threshold
*/
public double computeBonusThreshold()
{
int highest = itemsSold[0];
int lowest = itemsSold[0];
int sumOfItemsSold = itemsSold[0];
  
double bonusThreshold =0;
  
//iterate over items , find sum of items sold and highest and lowest
for (int i = 1; i < itemsSold.length ; i++)
{
sumOfItemsSold += itemsSold[i];
  
if(itemsSold[i] > highest)
highest = itemsSold[i];
  
if(itemsSold[i] < lowest )
lowest = itemsSold[i];
}
  
bonusThreshold = (sumOfItemsSold - lowest - highest ) / (itemsSold.length -2.0);
  
return bonusThreshold;
}
  
/*
Compute wages as asked, wage for an employee is fixed wage added with itemSold * perItemWage
When an employee sold items more than bonus Threshold Items then he will get extra 10%
*/
public void computeWages(double fixedWage, double perItemWage)
{
double bonusThresholdForWages = computeBonusThreshold();
for (int i = 0; i < wages.length ; i++)
{
wages[i] = fixedWage + ( itemsSold[i] * perItemWage);
  
if(itemsSold[i] > bonusThresholdForWages)
{
wages[i] = wages[i] * 1.1 ; //which is 10 % extra of current wage of employee
}
}
}
  
/*
Method to show itemsold, wages for the employee
*/
public void printWages()
{
for (int i = 0; i < wages.length ; i++)
{
System.out.printf("Employee =%d , ItemsSold = %d, Wage = %.2f\n",i,itemsSold[i], wages[i]);
}
}
}

=========main.java======

public class Main
{
   public static void main(String[] args) {
       //create an object of payroll class, where itemsSolds are hard coded for demo
       Payroll payroll = new Payroll();
      
       System.out.println("Bonus threshold items are : " + payroll.computeBonusThreshold());
      
       //call computeWages which will internally class bonus threshold as well
       payroll.computeWages(10.0,1.5);
      
       payroll.printWages();
   }
}

=============screen shot of code for indentation======

Menjava Payroll av i 1 public class Payroll private int[] itens Sold; private double[] wages; //constructor is just kept for demonstrating the code output public Payroll() itensSold - new int[] [43,58,37,62,38,78,55,37,64,6e); wages - new doublefiel: to compute Bonus Threshold you have to find some of Items Sold, highest and Lowest substract highest and Lowest from surf Items Sold and then divide by number of items -2 to find the bonus Threshold public double computeBonus Threshold() int highest - itemsSold[@]; int lowest - itens Soldel; int sunofItemsSold - itemssaldel: double bonus Thresold -e; //iterate over items, find sue of items sold and highest and Lowest for (int i = 1; i < itensSold.length; i++) sunofItems Sold - itensSold[1]; if(itersSold[i] > highest) highest - itensSold[1]; if(items Sold[4] < lowest ) lowest Items Sold[i]; bonus Thresold - (sumofitersSold - lowest - highest ) / (itemsSold. length -2.0); return bonus Thresold; Compute wages os asked wage for an employee is fixed wage added with itemsold . peritemage when an enployee sold itens more than bonus Thresold Itens then he will get extra 10% public void computellages (double fixediage, double perItemilage) double bonus ThresholdForlages - computeBonus Threshold(); for (int i = 0; i < wages.length; i++) wages [1] - fixediage ( itemsSold[i] * periterage); if(itersSold[1] > bonus ThresholdForwages) wages [1] - wages[1] . 1.1; //which is 10% extra of current wage of employee Method to show itensold, wages for the employee public void printhages() for (int i -e; i < wages.length; i++) System.out.printf("Employee -Xd , Itenssold - Zd, Wage - %.2f\n",1, itemssold[1], wages[1]); 721

Main.java Payroll.java: 1 public class Main 2- { public static void main(String[] args) { //create an object of payroll class, where itemsSolds are hard coded for demo Payroll payroll = new Payroll(); Eco van w System.out.println("Bonus threshold items are : " + payroll.computeBonus Threshold(); //call computeWages which will interanlly class bonus threshold as well payroll.computewages (10.0,1.5); payroll.printWages(); 13

output:

input Bonus threshold items are : 51.75 Employee =0, Items Sold = 48, Wage = 82.00 Employee =1 , Items Sold = 50, Wage = 85.00 Employee =2 , Items Sold = 37, Wage = 65.50 Employee =3, Items Sold = 62, Wage = 113.30 Employee =4 , Items Sold = 38, Wage = 67.00 Employee =5 , Items Sold = 70, Wage = 126.50 Employee =6 , Items Sold = 55, Wage = 101.75 Employee =7 , Items Sold = 37, Wage = 65.50 Employee =8 , Items Sold = 64, Wage = 116.60 Employee =9 , Items Sold = 60, Wage = 110.00 -- Program finished with exit code o Press ENTER to exit console. I