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Thread: need help creating a Commission Calculator

  1. #1
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    Default need help creating a Commission Calculator

    I need to create a simple Java program for a commission calculator with the following requirements:
    I need to ask the user to enter their total sales (as a double) in at the keyboard and I need to use "if" statements to tell them
    their commission (sales * commission rate) using the following criteria:
    o < $8000 in sales – Commission rate = 10%
    o $8000 to $12000 in sales – Commission rate = 12%
    o $12000.01 to $18000 in sales – Commission rate = 15%
    o $18000.01 to $20000 in sales – Commission rate = 18%
    o > $20000 in sales – Commission rate = 20%
    Then for the output the user’s Commission in a well formatted way (use the DecimalFormat class)
    In comment blocks have a description of what the program does. thank you! I think I did something wrong here is mine
    import java.util.Scanner;
     
    public class CommissionCalculator
    //This program calculates the commission of sales
    {
      public static void main(Strings[] args)
       {
      // create a scanner
      Scanner input = new Scanner(System.in);
     //define variable
       double sales;   //inputted sales amount
       double commission = 0; //commission pay amount
     
     
      System.out.print("Please enter sales amount:");
     
      double sales = input.nextDouble();
     
       if (sales > 20000.01 )
     
    		commission = sales * .20;
     
       else if (sales > 18000.01 && sales <= 20000)
     
    		commission = sales * .18;
     
       else if (sales > 12000.01 && sales <= 18000)
     
    		commission = sales * .15;
     
      else if (sales > 8000.01 && sales <= 12000)
     
    		commission = sales * .12;
     
      else (sales <= 8000)
     
    		commission = sales * .10;
     
    {
    System.out.println("Your Commission + sales total is :$" + mask.format((sales));}
    }
     
    }
    Attached Files Attached Files
    Last edited by Rhiannon1488; March 20th, 2014 at 06:09 PM.


  2. #2
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    Default Re: need help creating a Commission Calculator

    Hi, Welcome to the forum! Please read Announcements - What's Wrong With My Code? for guidlines on how to code
    I think I did something wrong here is mine
    so what is wrong?

    can't you just paste your code here so others can read it without downloading?

  3. #3
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    Default Re: need help creating a Commission Calculator

    public static void main(Strings[] args)
    the argument should be String[] args not Strings[]

    else (sales <= 8000)
    you don't have to put condition in else keyword.
    the program will read the statements in else when the if and else if condition falls to false.

    if (sales > 20000.01 )

    commission = sales * .20;

    else if (sales > 18000.01 && sales <= 20000)

    commission = sales * .18;

    else if (sales > 12000.01 && sales <= 18000)

    commission = sales * .15;

    else if (sales > 8000.01 && sales <= 12000)

    commission = sales * .12;

    else (sales <= 8000)

    commission = sales * .10;
    please don't put carriage return every after conditional statement since you are not using braces,
    and please, use braces every conditional statement.

    {
    System.out.println("Your Commission + sales total is :$" + mask.format((sales));}
    why do you have to put the opening and closing braces for printing?
    and you never declare an Object of mask. what is mask?

    double sales; //inputted sales amount
    double commission = 0; //commission pay amount


    System.out.print("Please enter sales amount:");

    double sales = input.nextDouble();
    you declared double sales twice.

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