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Thread: Help me fast!

  1. #1
    Manikyr is offline Member
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    Default Help me fast!

    I donīt have any trouble with my code, I just have to change it so it counts the data from a cylinder.

    Java Code:
    import java.util.Scanner;
    import javax.swing.JOptionPane;
    
    public class Prov1a {
        public static void main (String[] arg) {
            Cirkel c1 = new Cirkel(),
                   c2 = new Cirkel();
            String s = JOptionPane.showInputDialog
                                    ("The first circles radius?"); 
            Scanner sc = new Scanner(s);
            double r1 = sc.nextDouble();
            if (r1 >= 0)
                c1.radie = r1;
            else {
                JOptionPane.showMessageDialog(null, "Error!");
                System.exit(1);
            }
            s = JOptionPane.showInputDialog("The second circles radius?");
            sc = new Scanner(s);
            double r2 = sc.nextDouble();
            if (r2 >= 0)
                c2.radie = r2;
            else {
                JOptionPane.showMessageDialog(null, "Error!");
                System.exit(1);
            }
            double a1 = Math.PI * c1.radie*c1.radie;
            double a2 = Math.PI * c2.radie*c2.radie;
            double o1 = 2 * Math.PI * c1.radie;
            double o2 = 2 * Math.PI * c2.radie;
            JOptionPane.showMessageDialog(null, String.format
                                            ("The first circles area  %.3f " +
                                            "and circumference %.3f\n" +
                                            "The second circles area %.3f " +
                                            "and circumference %.3f", a1, o1, a2, o2));
            System.exit(0);
        } // main
    }
    Last edited by Manikyr; 03-15-2009 at 11:52 PM. Reason: No reason

  2. #2
    angryboy's Avatar
    angryboy is offline Senior Member
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    Default

    usually asking for "help me fast" on this forum has an adverse affect. it would also help if you include more info about your code: what it does, what problems you are having, etc...
    USE CODE TAGS--> [CODE]...[/CODE]
    Get NotePad++ (free)

  3. #3
    Fubarable's Avatar
    Fubarable is offline Moderator
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    Default

    I just have to change it so it counts the data from a cylinder.
    well, what have you done so far?

    and thanks for never replying to your previous post Cylinder. It does make one wonder if you are going to respond to this one, and if not, why bother helping. Just a thought.

  4. #4
    splitline is offline Member
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    Default

    I"m not sure what your asking for? Counting data from the cylinder..

    Can you please give a little more info about the problem your having.

    Thanks

  5. #5
    Webuser is offline Senior Member
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