Question

I need this java program to contain methods that do some of the work that can be modularized. It must logically be the same as this loop program but instead the logic will be modularized into Java Methods. Continue to take input for every employee in a company, and display their information until a sentinel value is entered, that exits the loop and ends the program.

import java.util.Scanner;

public class SalaryCalc {
double Rpay = 0, Opay = 0;

void calPay(double hours, double rate) {
if (hours <= 40) {
Rpay = hours * rate;
Opay = 0;
} else {
double Rhr, Ohr;
Rhr = 40;
Ohr = hours - Rhr;
Rpay = Rhr * rate;
Opay = Ohr * (1.5 * rate);
}
}

public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String name;
int shift = 0;
Double rate, hours;
System.out.println("Pay Calculator");
String ch = "";
//added loop here to take the inputs repetedly
do {
System.out.println("Enter Your Name");
name = sc.next();
System.out.println("Enter Your Shift, Enter 0 for Day, Enter1 for Night");
System.out.println("0=Day, 1= Night");
shift=sc.nextInt();
System.out.println("Enter Number of Hours Worked");
hours = sc.nextDouble();
System.out.println("Enter Hourly Pay");
rate = sc.nextDouble();
SalaryCalc c = new SalaryCalc();
c.calPay(hours, rate);
Double Tpay = c.Rpay + c.Opay;
System.out.println();
System.out.println("Calculate Pay");
System.out.println("Employee Name: " + name);
System.out.println("Employee Regular Pay: " + c.Rpay);
System.out.println("Employee Overtime Pay: " + c.Opay);
System.out.println("Employee Total Pay: " + Tpay);
if (shift == 0) {
System.out.println("Employee PayPeriod is Friday");
} else {
System.out.println("Employee PayPeriod is Saturday");
}
//asking user if they want to continue to enter another employee data
System.out.println("Press Y to continue.Other key to exit ");
ch=sc.next();
} while (ch.equalsIgnoreCase("y"));
}
}

Answer 1

import java.util.Scanner;

public class SalaryCalc {
   double Rpay = 0, Opay = 0, hours = 0;
   String name;
   int shift;
//calculates the pay for user
   void calPay(double hours, double rate) {
       if (hours <= 40) {
           Rpay = hours * rate;
           Opay = 0;
       } else {
           double Rhr, Ohr;
           Rhr = 40;
           Ohr = hours - Rhr;
           Rpay = Rhr * rate;
           Opay = Ohr * (1.5 * rate);
       }
   }

   //reads the info from user
   public void readInfo(Scanner sc, SalaryCalc c) {
       System.out.println("Enter Your Name");
       name = sc.next();
       System.out.println("Enter Your Shift, Enter 0 for Day, Enter1 for Night");
       System.out.println("0=Day, 1= Night");
       shift = sc.nextInt();
       System.out.println("Enter Number of Hours Worked");
       hours = sc.nextDouble();
       System.out.println("Enter Hourly Pay");
       double rate = sc.nextDouble();
       c.calPay(hours, rate);
   }

   public static void main(String[] args) {
       Scanner sc = new Scanner(System.in);
       SalaryCalc c = new SalaryCalc();

       String name;
       int shift = 0;
       Double rate, hours;
       System.out.println("Pay Calculator");
       String ch = "";
       // added loop here to take the inputs repetedly
       do {
           c.readInfo(sc, c);
           Double Tpay = c.Rpay + c.Opay;
           c.displayInfo(c.name, c.Rpay, c.Opay, Tpay, shift);
           // asking user if they want to continue to enter another employee
           // data
           System.out.println("Press Y to continue.Other key to exit ");
           ch = sc.next();
       } while (ch.equalsIgnoreCase("y"));
   }

   //prints the info for user
   private void displayInfo(String name, double Rpay, double Opay, double Tpay, int shift) {
       System.out.println();
       System.out.println("Calculate Pay");
       System.out.println("Employee Name: " + name);
       System.out.println("Employee Regular Pay: " + Rpay);
       System.out.println("Employee Overtime Pay: " + Opay);
       System.out.println("Employee Total Pay: " + Tpay);
       if (shift == 0) {
           System.out.println("Employee PayPeriod is Friday");
       } else {
           System.out.println("Employee PayPeriod is Saturday");
       }
   }
}

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