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Thread: Adding additional $10?

  1. #1
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    Default Adding additional $10?

    My program is supposed to calculate the income of the user by taking the number of hours worked and their hourly wage. if the person works over 40 hours, thy recieve 1.5 times the amount of their usual hourly wage. for some reason, when 41 hours is entered with $10 per hour, the program outputs $425 when it should output $415. got any ideas why??
    import java.util.Scanner;
     
    public class WageCalculator {
     
    	public static void main(String[] args) {
    		Scanner scan  = new Scanner(System.in);
    		double hoursworked=0, hoursworked40 = 0, wage, totalpay;
    		int i = 0;
    		System.out.println("Enter number of hours worked: ");
    		hoursworked = scan.nextInt();
    		System.out.println("Enter hourly wage: ");
    		wage = scan.nextInt();
    		while (hoursworked >= 0 && hoursworked <= 168 && i < 1){
    			if(hoursworked > 40){
    				hoursworked40 = hoursworked - 40;
    				hoursworked40 = hoursworked40 * 1.5;
    				totalpay = (hoursworked + hoursworked40) * wage;
    				System.out.println("Total pay: $" + totalpay);
    				i+=1;
    			}else{
    				totalpay = hoursworked * wage;
    				System.out.println("Total pay: $" + totalpay);
    				i+=1;
    			}
    			}
    		if(hoursworked < 0 || hoursworked > 168)
    			System.out.println("Your hours need to be between 0 and 168.");
    		}
    	}
    Thanks in advance


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Adding additional $10?

    got any ideas why??
    Which line(s) of code is computing the wrong value?
    Add a println() after each line that assigns a value to a variable and print out the variable's value.
    If you know how the computations are supposed to go, you should be able to look at the output and see where the problem is.
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Adding additional $10?

    "totalpay = (hoursworked + hoursworked40) * wage;"
    In that line it calculates the extra hour both in hoursworked(41) and hoursworked40(1.5). You should make "hoursworked=40;" before that line.

  4. The Following User Says Thank You to bad.sector For This Useful Post:

    gotdatdough (November 3rd, 2013)

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    Default Re: Adding additional $10?

    Quote Originally Posted by Norm View Post
    Which line(s) of code is computing the wrong value?
    hoursworked40 = hoursworked - 40;
    				hoursworked40 = hoursworked40 * 1.5;
    				totalpay = (hoursworked + hoursworked40) * wage;
    These lines are.

    --- Update ---

    Thank you. i knew it was somehting simple!

  6. #5
    Super Moderator Norm's Avatar
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    Default Re: Adding additional $10?

    These lines are.
    Did you print out the values computed and assigned to see where the problem is?
    What values should each of those expressions compute?
    What values did each of those expressions compute?

    It's nice that someone else did your work and figured it out for you. But you need to learn how to find and fix problems yourself.
    If you don't understand my answer, don't ignore it, ask a question.

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