Create a Program to Implement Wage Calculator in Java Assignment Solution

Instructions

Objective

Write a java assignment program to implement wage calculator.

Requirements and Specifications

Source Code

package project1; import java.util.Scanner; public class HourlyWageCalculator { // Declare the global constant variables here // Use the names given in the instructions final static double HOUR_RATE = 15.00; final static double BONUS_RATE = 2.00; final static double OVERLOAD_PERCENT = 1.5; final static double REGULAR_HOURS = 40.0; public static void main(String[] args) { // I am starting out this method for you Scanner scnr = new Scanner(System.in); Scanner hourInput = new Scanner(System.in); int weekNumber = 0; String answer = "y"; double[] weekHours; // use a while loop to run program // this loop should give user the option to calculate wages more than once while (answer.equals("y")) { // inside this loop // ask user to enter values // call methods getInputFromUser and calculatePayForWeek // at the end of the loop ask user if they want to do another calculation do { //gets a valid week worked System.out.print("Enter week worked: "); weekNumber = scnr.nextInt(); if ((weekNumber >= 1 && weekNumber <= 52) == false) { System.out.println("Week must be between 1 and 52, please try again"); } } while ((weekNumber >= 1 && weekNumber <= 52) == false); //calls the getInputFromUser and calculatePayForWeek methods to get //the number of hours the user worked and calculate the users pay off that weekHours = getInputFromUser(hourInput, weekNumber); calculatePayForWeek(weekNumber, weekHours); System.out.print("Would you like to calculate pay for another week? y/n: "); answer = scnr.next(); //prints a thank you message if the user dosn't want to keep calculating wages if (answer.equals("n")) { System.out.println(""); System.out.println("Thanks for using the wage calculator tool."); } } } // *** declare methods beginning here // * write getInputFromUser method here public static double[] getInputFromUser(Scanner input, int weekNum) { double[] hoursAsDouble; String getHours; String[] hoursAsString; //get valid input do { System.out.printf("Enter hours for week %d: ", weekNum); getHours = input.nextLine(); hoursAsString = getHours.split(" ");//fix me } while (validateInput(hoursAsString) == false); //convert from string to double and return new array hoursAsDouble = convertStringArrayToDouble(hoursAsString); return hoursAsDouble; } // * write validateInput method here public static boolean validateInput(String[] input) { // complete all validation cases for the method //declare the variables int i; int elementCounter = 0; // enter code to check for seven values // loops through all the elements for (i = 0; i < input.length; i++) { ++elementCounter; } //checks if there's seven elements if (elementCounter != 7) { System.out.println("Input must have seven numbers."); return false; } // here is the code to check values are all numeric // we will see exceptions soon... for (i = 0; i < input.length; i++) try { Double.valueOf(input[i]); // this method returns a double value which I am ignoring as I just want to see if it fails } catch (NumberFormatException e) { // this is how java tells us a value was not numeric System.out.println("Input included invalid numbers. Try again please."); return false; } // enter code to check all positive values for (i = 0; i < input.length; i++) { //convert string array to double one double[] convertedInput = convertStringArrayToDouble(input); //check if the values positive and under or equal to 15 if (convertedInput[i] < 0) { System.out.println("Worked hours must have values between 0 and 15."); return false; } if (convertedInput[i] > 15) { System.out.println("Worked hours must have values between 0 and 15."); return false; } } // if we make to the end, then all checks are good, return true return true; } // * write convertStringArrayToDouble method here public static double[] convertStringArrayToDouble(String[] strInput) { int arraySize = 7; double[] newDoubleInput = new double[arraySize]; for (int i = 0; i < strInput.length; ++i) { newDoubleInput[i] = Double.parseDouble(strInput[i]);//converts from string to double } //returns the new double array return newDoubleInput; } // * write calculatePayForWeek method here public static void calculatePayForWeek(int weekNum, double[] hrsWorked) { double totalHrsWorked = getTotalHours(hrsWorked); double regularPay; double regularBonusPay; double overtimeHrs; double regularOvertimePay; double bonusOvertimePay; double bonusRate = HOUR_RATE + BONUS_RATE; double regularOvertimeRate = HOUR_RATE * OVERLOAD_PERCENT; double bonusOvertimeRate = bonusRate * OVERLOAD_PERCENT; double regularTotalPay; double bonusTotalPay; if (totalHrsWorked <= REGULAR_HOURS) { regularPay = totalHrsWorked * HOUR_RATE; regularBonusPay = totalHrsWorked * (HOUR_RATE + BONUS_RATE); overtimeHrs = 0.0; regularOvertimePay = 0.0; bonusOvertimePay = 0.0; regularTotalPay = regularPay; bonusTotalPay = regularBonusPay; if ((weekNum <= 2) || ((weekNum >= 44) && (weekNum <= 52))) { System.out.printf("Week %d receives a bonus of $2.00 per hour\n", weekNum); System.out.printf("Your total pay for week %d is: $%.2f\n", weekNum, bonusTotalPay); System.out.printf("You worked a total of %.2f hours\n", totalHrsWorked); System.out.println("Here is your summary:"); System.out.printf(" Base hours worked: %.2f at $%.2f\n", totalHrsWorked, bonusRate); System.out.printf(" Base pay: $%.2f\n", regularBonusPay); System.out.printf(" Overtime hours worked: %.2f at $%.2f\n", overtimeHrs, bonusOvertimeRate); System.out.printf(" Overtime pay: $%.2f\n", bonusOvertimePay); System.out.println(""); } else { System.out.printf("Your total pay for week %d is: $%.2f\n", weekNum, regularTotalPay); System.out.printf("You worked a total of %.2f hours\n", totalHrsWorked); System.out.println("Here is your summary:"); System.out.printf(" Base hours worked: %.2f at $%.2f\n", totalHrsWorked, HOUR_RATE); System.out.printf(" Base pay: $%.2f\n", regularPay); System.out.printf(" Overtime hours worked: %.2f at $%.2f\n", overtimeHrs, regularOvertimeRate); System.out.printf(" Overtime pay: $%.2f\n", regularOvertimePay); System.out.println(""); } } //checks and calculates if you worked overtime else if (totalHrsWorked > REGULAR_HOURS) { overtimeHrs = totalHrsWorked - REGULAR_HOURS; regularOvertimePay = overtimeHrs * regularOvertimeRate; bonusOvertimePay = overtimeHrs * bonusOvertimeRate; regularPay = REGULAR_HOURS * HOUR_RATE; regularBonusPay = REGULAR_HOURS * (HOUR_RATE + BONUS_RATE); regularTotalPay = regularPay + regularOvertimePay; bonusTotalPay = regularBonusPay + bonusOvertimePay; if ((weekNum <= 2) || ((weekNum >= 44) && (weekNum <= 52))) { System.out.printf("Week %d receives a bonus of $2.00 per hour\n", weekNum); System.out.printf("Your total pay for week %d is: $%.2f\n", weekNum, bonusTotalPay); System.out.printf("You worked a total of %.2f hours\n", totalHrsWorked); System.out.println("Here is your summary:"); System.out.printf(" Base hours worked: 40 at $%.2f\n", bonusRate); System.out.printf(" Base pay: $%.2f\n", regularBonusPay); System.out.printf(" Overtime hours worked: %.2f at $%.2f\n", overtimeHrs, bonusOvertimeRate); System.out.printf(" Overtime pay: $%.2f\n", bonusOvertimePay); System.out.println(""); } else { System.out.printf("Your total pay for week %d is: $%.2f\n", weekNum, regularTotalPay); System.out.printf("You worked a total of %.2f hours\n", totalHrsWorked); System.out.println("Here is your summary:"); System.out.printf(" Base hours worked: 40 at $%.2f\n", HOUR_RATE); System.out.printf(" Base pay: $%.2f\n", regularPay); System.out.printf(" Overtime hours worked: %.2f at $%.2f\n", overtimeHrs, regularOvertimeRate); System.out.printf(" Overtime pay: $%.2f\n", regularOvertimePay); System.out.println(""); } } } // * write getTotalHours method here public static double getTotalHours(double[] listOfHrs) { double totalHrs = 0; int i; for (i = 0; i < listOfHrs.length; ++i) { totalHrs = totalHrs + listOfHrs[i]; } return totalHrs; } }