Re: While loops

KyoGaSuki <>
Thu, 6 Mar 2008 09:47:02 -0800 (PST)
On Mar 6, 9:41 am, GArlington <> wrote:

On Mar 6, 2:00 pm, KyoGaSuki <> wrote:

First of all, I can confidently say that me and loops (of ANY kind)
don't go well together. The program I am working on keeps giving me
errors (and when I fix them, there is yet ANOTHER error waiting for
me....maybe Java just isn't my forte). I was to make a program that
would data from a file and then output (into a new file): month count,
starting balance, interest (6% annual), amount deposited, and then
ending balance. It could be that it is 9 am and I am not thinking
straight, but here is my code (don't laugh at me T.T):

 * @(#)
 * Try2 application
 * @author
 * @version 1.00 2008/3/6
 import java.util.*;
public class Try2 {

    public static void main(String[] args)throws FileNotFoundException
        Scanner in = new Scanner (new FileReader("Annuities.txt"));
        float n = in.nextFloat();
        PrintWriter out = new PrintWriter("Try2.txt");
        int count;
        float sbal;
        float interest = (sbal*.06)/12;
        float deposit = 200.00;
        float ebal = sbal + interest + deposit;
                count = 1;
                System.out.println(count + " " + sbal + " " + interest + " " +
deposit + " " + ebal);



--------------------Configuration: Try2 - JDK version 1.6.0_03
<Default> - <Default>--------------------
java.lang.NoClassDefFoundError: Try2
Exception in thread "main"
Process completed.

I KNOW that the input file is there and in the right it not
finding it?

2) You are NOT reading next value inside your loop, so you are either
going to have a LOT of System.out.println() with the same value (until
you kill the process), or you will have none (if the file is empty)...
You will need to do something like; and add some processing
inside the loop...

Thank you. I am finally getting correct results, but I want to ask,
is there a way to round to 2 decimal places using the math.round(x)?

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