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Thread: Java Programming help please

  1. #1
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    Default Java Programming help please

    i am writing a program that would be used for ticket sales and their are 100 tickets and a person can only buy 4 at a time. i need my program to not go negative at the end and also i need to stop the user from entering a negative number here is the code please help!



    import java.util.Scanner;

    public class ticketmaster {

    public static void main(String[] args) {


    // Variable decoration uses strings , doubles and final doubles.

    Scanner in = new Scanner(System.in);

    int balanceTicket = 100;

    int desiredTicketAmount = 0;

    int buyers = 0;







    while (balanceTicket > 0)

    {

    System.out.println("please enter the number of tickets wanted");

    desiredTicketAmount = in.nextInt();


    if ( desiredTicketAmount > 4 )

    {
    System.out.println( "please enter a number less than 4 ");

    System.out.println();

    }

    else if ( desiredTicketAmount <= 4 )

    {

    buyers++;
    balanceTicket = balanceTicket - desiredTicketAmount;





    System.out.println (" the number of tickes left are : " + balanceTicket);

    System.out.println();



    }

    }





    System.out.println (" the number of customers: " + buyers );

    System.out.println();



    }

    }


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: Java Programming help please

    Please edit your post and wrap your code with code tags:
    [code=java]
    YOUR CODE HERE
    [/code]
    to get highlighting and preserve formatting.

    i need my program to not go negative
    Use an if statement to test if the value will go negative BEFORE changing the value.
    If you don't understand my answer, don't ignore it, ask a question.

  3. #3
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    Default Re: Java Programming help please

    what do u mean by that
    at the end of the program some times their will be two tickets left and if the user puts in the number 4 the program will go negitive and i need that to stop also i need to stop the user from entering a negative number

  4. #4
    Super Moderator Norm's Avatar
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    Default Re: Java Programming help please

    From your data:
    if(4 > 2) don't do it
    else do it

    If (user's number < 0) tell the user its wrong and ask for another number
    If you don't understand my answer, don't ignore it, ask a question.

  5. #5
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    Default Re: Java Programming help please

    where at in the code is the probelm and what do i need to add to fix it???

  6. #6
    Super Moderator Norm's Avatar
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    Default Re: Java Programming help please

    Please edit your post and wrap your code with code tags:
    [code=java]
    YOUR CODE HERE
    [/code]
    to get highlighting and preserve formatting.

    where at in the code is the probelm
    Can you be more descriptive of "the problem"? You have been talking about 2 different problems.
    Which one are you currently working on?
    If you don't understand my answer, don't ignore it, ask a question.

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