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Thread: Simple Employee Payment Program

  1. #1
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    Default Simple Employee Payment Program

    Hi all,

    I am struggling with a small program which calculates an employee's payment due.

    Some basic points:

    * Min Wage as 6.21
    * Hours over first 40 is payed at 1.5
    * Program should output the payment due

    As you can see below i am using if statements to try and do this.

    I have looked through several times but cant work out where the problem is.

    package latesttasks;
     
    import java.util.*;
     
    // Write a program that reads two numbers from the command line, the number of
    // hours worked by an employee and their base pay rate. Then output the
    // total pay due. Ensure the base pay rate entered is over minimum wage, if it 
    // doesnt meet minimum wage print a warning and ask again for correct wage.
    // After 40 hour mark, pay rate is 150% or i.e. * 1.5. 
    public class Task2 {
     
        public static void main(String[] args) {
     
            Scanner scan = new Scanner(System.in);
     
            double hoursWorked;
            double minimumWage = 6.21;
            double baseRate;
            double overtimeRate;
            double amountDue;
            int hoursLimit = 40;
     
            System.out.println("Please enter your basic hourly rate: ");
            baseRate = scan.nextInt();
     
            if (baseRate < minimumWage) {
                System.out.println("Warning! rate doesn't meet minimum wage.");
                System.out.println("");
            }
            System.out.println("How many hours have you worked this week: ");
            hoursWorked = scan.nextInt();
            System.out.println("");
            if (hoursWorked <= 0) {
                System.out.println("You are due no payment.");
            } else if (hoursWorked > hoursLimit) {
                overtimeRate = baseRate * 1.5;
                amountDue = (baseRate * hoursLimit) + 
                        ((hoursWorked - hoursLimit) * overtimeRate);
                System.out.println(amountDue);
            }
            else {
                amountDue = (hoursWorked * baseRate);
                System.out.println(amountDue);
            }
        }
    }

    Any advice and suggestions appreciated.


  2. #2
    Super Moderator curmudgeon's Avatar
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    Default Re: Simple Employee Payment Program

    How exactly is your program misbehaving?

  3. #3
    Junior Member CosmicCode's Avatar
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    Default Re: Simple Employee Payment Program

    hello djl1990
    can you please specify the problem you're having ?
    is it a calculation problem or a code problem?
    which part of the code do you have problem with ?

    I just did a modification on a little part of the code, hope it's correct !

    import java.util.*;
     
    // Write a program that reads two numbers from the command line, the number of
    // hours worked by an employee and their base pay rate. Then output the
    // total pay due. Ensure the base pay rate entered is over minimum wage, if it
    // doesnt meet minimum wage print a warning and ask again for correct wage.
    // After 40 hour mark, pay rate is 150% or i.e. * 1.5.
    public class Task2 {
     
        public static void main(String[] args) {
     
            Scanner scan = new Scanner(System.in);
     
            double hoursWorked;
            double minimumWage = 6.21;
            double baseRate;
            double overtimeRate;
            double amountDue;
            int hoursLimit = 40;
     
    	while(true){// to go over this, until the input is > minimumWage.
                    System.out.println("Please enter your basic hourly rate: ");//
            	baseRate = scan.nextInt();
    	    	if (baseRate < minimumWage) {
    	            System.out.println("Warning! rate doesn't meet minimum wage.");
    	            System.out.println("");
    	        }
    	        else // if baseRate is > minimumWage, break the loop.
    	        	break;
            }
     
            System.out.println("How many hours have you worked this week: ");
            hoursWorked = scan.nextInt();
            System.out.println("");
            if (hoursWorked <= 0) {
                System.out.println("You are due no payment.");
            } else if (hoursWorked > hoursLimit) {
                overtimeRate = baseRate * 1.5;
                amountDue = (baseRate * hoursLimit) +
                        ((hoursWorked - hoursLimit) * overtimeRate);
                System.out.println(amountDue);
            }
            else {
                amountDue = (hoursWorked * baseRate);
                System.out.println(amountDue);
            }
        }
    }

  4. #4
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    Default Re: Simple Employee Payment Program

    Here was the error i was getting:

    run:
    Please enter your basic hourly rate:
    12.79
    Exception in thread "main" java.util.InputMismatchException
    at java.util.Scanner.throwFor(Scanner.java:909)
    at java.util.Scanner.next(Scanner.java:1530)
    at java.util.Scanner.nextInt(Scanner.java:2160)
    at java.util.Scanner.nextInt(Scanner.java:2119)
    at latesttasks.Task2.main(Task2.java:24)
    Java Result: 1
    BUILD SUCCESSFUL (total time: 4 seconds)


    --- Update ---

    Thanks for the advice CosmicCode. I added the while true parts and break statement so now have this:

    package latesttasks;
     
    import java.util.*;
     
    // Write a program that reads two numbers from the command line, the number of
    // hours worked by an employee and their base pay rate. Then output the
    // total pay due. Ensure the base pay rate entered is over minimum wage, if it 
    // doesnt meet minimum wage print a warning and ask again for correct wage.
    // After 40 hour mark, pay rate is 150% or i.e. * 1.5. 
    public class Task2 {
     
        public static void main(String[] args) {
     
            Scanner scan = new Scanner(System.in);
     
            double hoursWorked;
            double minimumWage = 6.21;
            double baseRate;
            double overtimeRate;
            double amountDue;
            int hoursLimit = 40;
     
            while (true) {
                System.out.println("Please enter your basic hourly rate: ");
                baseRate = scan.nextInt();
     
                if (baseRate < minimumWage) {
                    System.out.println("Warning! rate doesn't meet minimum wage.");
                    System.out.println("");
                } else {
                    break;
                }
            }
            System.out.println("How many hours have you worked this week: ");
            hoursWorked = scan.nextInt();
            System.out.println("");
            if (hoursWorked <= 0) {
                System.out.println("You are due no payment.");
            } else if (hoursWorked > hoursLimit) {
                overtimeRate = baseRate * 1.5;
                amountDue = (baseRate * hoursLimit)
                        + ((hoursWorked - hoursLimit) * overtimeRate);
                System.out.println(amountDue);
            } else {
                amountDue = (hoursWorked * baseRate);
                System.out.println(amountDue);
            }
        }
    }


    However i am getting the following:

    run:
    Please enter your basic hourly rate:
    10.49
    Exception in thread "main" java.util.InputMismatchException
    at java.util.Scanner.throwFor(Scanner.java:909)
    at java.util.Scanner.next(Scanner.java:1530)
    at java.util.Scanner.nextInt(Scanner.java:2160)
    at java.util.Scanner.nextInt(Scanner.java:2119)
    at latesttasks.Task2.main(Task2.java:25)
    Java Result: 1
    BUILD SUCCESSFUL (total time: 2 seconds)

  5. #5
    Junior Member CosmicCode's Avatar
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    Default Re: Simple Employee Payment Program

    Now you specified it, thank you for that! .

    the problem is this code : baseRate = scan.nextInt();

    it takes the next integer value, but when you input a double value an error occurs.

    so just change it to > baseRate = scan.nextDouble();

    and this should work !

    hope this helped !

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