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  1. #1
    rhym1n is offline Member
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    Default Java Looping Question

    Here is my assignment (Scroll down to bottom to see questions):

    Modify the Week Two Java™ application using Java™ NetBeans™ IDE to meet these additional and changed business requirements:

    • The company has recently changed its total annual compensation policy to improve sales.

    • A salesperson will continue to earn a fixed monthly salary of $4,000.00. The current sales target for every salesperson is $120,000.00.

    • The sales incentive will only start when 80% of the sales target is met. The current commission is 25% of total sales.

    • If a salesperson exceeds the sales target, the commission will increase based on an acceleration factor. The acceleration factor is 1.25.

    • The application should ask the user to enter annual sales, and it should display the total annual compensation.

    • The application should also display a table of potential total annual compensation that the salesperson could have earned, in $5000 increments above the salesperson’s annual sales, until it reaches 50% above the salesperson’s annual sales.

    Sample Table: Assuming a total annual sales of $100,000, the table would look like this:

    Total Sales Total Compensation
    100,000 <<Program calculated value>>
    105,000 <<Program calculated value>>
    110,000 <<Program calculated value>>
    115,000 <<Program calculated value>>
    120,000 <<Program calculated value>>
    125,000 <<Program calculated value>>
    130,000 <<Program calculated value>>
    135,000 <<Program calculated value>>
    140,000 <<Program calculated value>>
    145,000 <<Program calculated value>>
    150,000 <<Program calculated value>>


    ----------------------------------------------

    (THIS PERTAINS TO THE BOLD PART ONLY)

    I have figured out the code for everything (which took a long time I might add) up until the last part that is in bold. I know that I need a loop (while loop maybe?), but I can't figure out how to get started on this last piece to my program. I know how to make it increment in the amount of $5,000, but that is about it in this certain situation (the examples I saw were much simpler).

    1) Do I need a while loop?
    2) How do I make it display the total annual compensation? (based on the annual sales - which I already have the input code that collects that part, as well as the formulas that calculate the total annual compensation - I'm just not sure how to use this in a loop as I am completely new to them)
    3) How do I make the loop stop after 50% of the total annual compensation is listed?

    All help is highly appreciated!
    Last edited by rhym1n; 03-04-2013 at 11:22 AM.

  2. #2
    rhym1n is offline Member
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    Default Re: Java Looping Question

    I think I can use a for statement according to my instructor, and I based this next line of code from an example of his, but I keep getting an error:

    Java Code:
    for (double counter = annualSales; counter < counter * 1.5; counter +5000)
    {
    System.out.println("Stuff...");
    }
    The error says not a statement, but I'm not sure what I am doing wrong. annualSales is a variable I already declared earlier.
    Last edited by rhym1n; 03-04-2013 at 11:57 AM.

  3. #3
    Tolls is offline Moderator
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    Default Re: Java Looping Question

    Java Code:
    for (double counter = annualSales; counter < counter * 1.5; counter +5000)
    {
    System.out.println("Stuff...");
    }
    That should be an assignment at the end of the if:
    Java Code:
    counter = counter + 5000
    But you'll also hit a problem with the check in the middle:
    Java Code:
    counter < counter * 1.5
    counter is never going to be anything other than less than itself times 1.5.
    I think you want to check it against annualSales * 1.5
    Please do not ask for code as refusal often offends.

    ** This space for rent **

  4. #4
    rhym1n is offline Member
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    Default Re: Java Looping Question

    Awesome, thank you so much for that. I have one more question about the output code:
    Java Code:
    for(double counter = annualSales; counter < annualSales * 1.5; 
                    counter +=5000)
            {
                System.out.println("Total Sales: " + counter + "\tTotal "
                        + "Compensation: " + someTypeOfCalculation(counter);
            }
    Where I put "someTypeOfCalculation", I'm not exactly sure what to put there. You see, if the annual sales that one enters is < 96,000, they earn no commission...if the annual sales is between 96,000 and 120,000, they earn a 25% commission, and if the annual sales is above 120,000, they earn 31.25% commission.

    I made an if-else-if statement before the loop code that performed these calculations separately, and now I really don't know what to do so it calculates and displays all of these correctly.

    I can post the entire code if it would help.
    Last edited by rhym1n; 03-04-2013 at 12:34 PM.

  5. #5
    Tolls is offline Moderator
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    Default Re: Java Looping Question

    Well, the way you have it written there is actually quite good.
    Now, just write a method with the same name (OK, you might want to use a different name than someTypeOfCalculation).
    That method will return a value (String, double, up to you).
    It will do exactly what you did in the previous if/else, but return a suitable value for each of these cases.
    Please do not ask for code as refusal often offends.

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  6. #6
    rhym1n is offline Member
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    Default Re: Java Looping Question

    Hmm, the "someTypeOfCalculation(counter)" part really confuses me. All of my calculations were correct in the if-else-if statement, but I'm not sure how to write this because the commission rate has the potential to change due to the "50% above the salesperson's annual sales" part. For example: if the salesperson enters $120,000, then he earns a 25% commission, but when it goes up $5,000 (to $125,000 total), he/she would earn a 31.25% commission rate.

    Will I need to write multiple System.out.println() statements or can I fit this into one calculation? I wonder if I am overthinking this...sorry, it's only my 3rd week of learning Java and my brain goes haywire at times trying to figure it all out, lol.

  7. #7
    JosAH's Avatar
    JosAH is offline Moderator
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    Default Re: Java Looping Question

    Quote Originally Posted by Tolls View Post
    But you'll also hit a problem with the check in the middle:
    Java Code:
    counter < counter * 1.5
    counter is never going to be anything other than less than itself times 1.5.
    Variable 'counter' could (theoretically) be negative ...

    kind regards,

    Jos
    cenosillicaphobia: the fear for an empty beer glass

  8. #8
    Tolls is offline Moderator
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    Default Re: Java Looping Question

    Quote Originally Posted by rhym1n View Post
    Hmm, the "someTypeOfCalculation(counter)" part really confuses me. All of my calculations were correct in the if-else-if statement, but I'm not sure how to write this because the commission rate has the potential to change due to the "50% above the salesperson's annual sales" part. For example: if the salesperson enters $120,000, then he earns a 25% commission, but when it goes up $5,000 (to $125,000 total), he/she would earn a 31.25% commission rate.

    Will I need to write multiple System.out.println() statements or can I fit this into one calculation? I wonder if I am overthinking this...sorry, it's only my 3rd week of learning Java and my brain goes haywire at times trying to figure it all out, lol.
    Your method would be something like:
    Java Code:
    if sales < somevalue then
       return 10% of sales
    else if sales < thenextvalue then
       return 20% of sales
    else
       return 25% of sales
    Please do not ask for code as refusal often offends.

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  9. #9
    rhym1n is offline Member
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    Default Re: Java Looping Question

    You can put if-else-if statements within a loop?

    This is what I am having trouble with, the someTypeOfCalculation part (which isn't really a variable):

    Java Code:
    for(double counter = annualSales; counter < annualSales * 1.5; 
                    counter +=5000)
            {
                System.out.println("Total Sales: " + counter + "\tTotal "
                        + "Compensation: " + someTypeOfCalculation;
            }
    Last edited by rhym1n; 03-04-2013 at 10:56 PM.

  10. #10
    rhym1n is offline Member
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    Default Re: Java Looping Question

    Does anyone know about the last part?

  11. #11
    Tolls is offline Moderator
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    Default Re: Java Looping Question

    You had it before, with someTypeOfCalculation(counter).
    Have you done methods?
    Please do not ask for code as refusal often offends.

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  12. #12
    silasndzewiyi is offline Member
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    Default Re: Java Looping Question

    Quote Originally Posted by rhym1n View Post
    You can put if-else-if statements within a loop?

    This is what I am having trouble with, the someTypeOfCalculation part (which isn't really a variable):

    Java Code:
    for(double counter = annualSales; counter < annualSales * 1.5; 
                    counter +=5000)
            {
                System.out.println("Total Sales: " + counter + "\tTotal "
                        + "Compensation: " + someTypeOfCalculation;
            }

    I don't know how you came about with the someTypeOfCalculation but
    This is what I did with mine and it worked.



    //Table loop
    for(double counter = sales; counter <= sales * 1.5;
    counter +=5000)
    {

    baseIncome = 51000;
    if(counter < 96000)
    rate = 0.00; //No commission for sales less than 80% of the targeted 120000.
    else if(counter >= 96000 && counter <= 120000)
    rate = 0.13; //Commission rate for sales above 80% is 13%
    else rate = 0.13 * 1.25; //Sales above targeted numbers will have an increment factor of 1.25 in the commission rate

    //Calculate commissionIncome
    commissionIncome = counter * rate;

    //Calculate totalIncome
    totalIncome = commissionIncome + baseIncome;
    System.out.println(USDFormat.format(counter)+ " \t " + USDFormat.format(totalIncome));
    }

  13. #13
    silasndzewiyi is offline Member
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    Default Re: Java Looping Question

    I don't know how you came about with the someTypeOfCalculation but
    This is what I did with mine and it worked.



    //Table loop
    for(double counter = sales; counter <= sales * 1.5;
    counter +=5000)
    {

    baseIncome = 51000;
    if(counter < 96000)
    rate = 0.00; //No commission for sales less than 80% of the targeted 120000.
    else if(counter >= 96000 && counter <= 120000)
    rate = 0.13; //Commission rate for sales above 80% is 13%
    else rate = 0.13 * 1.25; //Sales above targeted numbers will have an increment factor of 1.25 in the commission rate

    //Calculate commissionIncome
    commissionIncome = counter * rate;

    //Calculate totalIncome
    totalIncome = commissionIncome + baseIncome;
    System.out.println(USDFormat.format(counter)+ " \t " + USDFormat.format(totalIncome));
    }

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