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Thread: Enter E to stop the programme

  1. #1
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    Question Enter E to stop the programme

    My question is : [B]Modify the programme that can calculate total sales of the day, total wholesaler(s), total retailer(s). The user will need to enter 'E' for customer type to the stop the program/B]

    How do I execute the program right away at the first prompt-user(type of customer) without entering input for the second one (no. of units)?




    import java.util.Scanner;
    public class MarinePackingCompany02
    {
    public static void main(String[] args)

    {
    Scanner sc = new Scanner(System.in);

    System.out.println("INSTRUCTIONS; Enter a code based on type of customer, enter E to quit");
    System.out.println("eg. Wholesaler ==> w");
    System.out.println(" Retailer ==> r");
    System.out.println(" ");
    System.out.print("Enter code : ");
    String customer = sc.next();

    System.out.print("Enter no. of unit(s) : ");
    int unit = sc.nextInt();

    double price=0, total=0;
    int w=0, r=0;

    while (!customer.equals("E"))
    {
    if (customer.equals("w"))
    {
    w = w + 1;
    if (unit >= 5)
    price = 9*unit;
    else
    price = 10*unit;
    }


    else if (customer.equals("r"))
    {
    r = r + 1;
    if (unit <= 3)
    price = 15*unit;
    else if (unit <= 8)
    price = 14*unit;
    else
    price = 12*unit;
    }
    else
    System.out.println("Invalid code entered");

    total = total + price;

    System.out.println(" ");
    System.out.print("Enter code : ");
    customer = sc.next();
    System.out.print("Enter no. of unit(s) : ");
    unit = sc.nextInt();
    }
    System.out.println("Total sales of the day = RM" + String.format("%.2f",total));
    System.out.println("Total wholesaler(s) : " + w);
    System.out.println("Total retailer(s) : " + r);
    }
    }

  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Enter E to stop the programme

    Please edit your post and wrap your code with code tags:

    [code]
    **YOUR CODE GOES HERE**
    [/code]

    to get highlighting and preserve formatting.

    How do I execute the program right away at the first prompt-user(type of customer) without entering input for the second one (no. of units)?
    Use some conditional test like an if statement to control asking the second question based on what was entered for the first question.
    If you don't understand my answer, don't ignore it, ask a question.

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