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  1. #1
    Join Date
    Oct 2010

    Question New to Java Programming! Need Help!

    I need to create a class that calculates a customer's bill for three different internet subscription packages. The three packages are: Package A: $9.95 per month, 10 hours of access provided. Additional hours are $2 per hour. Package B: $14.95 per month, 20 hours of access are provided. Additional hours are $1 and hour. Package C: $19.95 per month, unlimited access provided.

    This is what I got so far:

    public class bill
    // Constants
    public static final double PACKAGEA = 9.95;
    public static final double PACKAGEB = 14.95;
    public static final double PACKAGEC = 19.95;

    // variables of class
    private int hours; // hours internet used
    private String code; // type of package

    // Constructor assigns the hours used and package
    public bill(int hours1, String code1)
    hours = hours1;
    code = code1;
    // Accessor, GetHours
    public int GetHours()
    return hours;

    // Accessor, GetPackage
    public String GetPackage()
    return code;
    This is where I'm stuck, I need to make a conditional statement to calculate the bill but am not sure how to do this I was planning on using something like if(code.equals("A")) type of statement. Please Help!

  2. #2
    Join Date
    May 2006

    Re: New to Java Programming! Need Help!

    Your class at the moment doesn't contain any information on the number of hours provided and/or the cost of extra time.

    You shouldn't use floating point arithmetic for computing currency values - you can get rounding errors which may result in inaccurate final values.

    Really you should have a separate class for the packages that encapsulate the details of what the package offers the customer. The Package class could also compute the monthly cost given the hours used.
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