Help with limiting JOptionPane output to 2 decimal places

I don't seem to be able to figure out how to specify 2 decimal points in my output to a JOptionPane. I know how to do this in a standard program with no gui interface but I have been unsuccessful in my attempts with JOptionPane. I have included my code below and any assistance at all would be appreciated.
import javax.swing.JOptionPane;
public class Vehicleanalysis2
public static void main( String args[] )
String januaryRepairs =
     JOptionPane.showInputDialog( "Enter January's repair costs:" );
String februaryRepairs =
     JOptionPane.showInputDialog( "Enter February's repair costs:" );
String marchRepairs =
     JOptionPane.showInputDialog( "Enter March's repair costs:" );
String aprilRepairs =
     JOptionPane.showInputDialog( "Enter April's repair costs:" );
String mayRepairs =
     JOptionPane.showInputDialog( "Enter May's repair costs:" );
String juneRepairs =
     JOptionPane.showInputDialog( "Enter June's repair costs:" );
String julyRepairs =
     JOptionPane.showInputDialog( "Enter July's repair costs:" );
String augustRepairs =
     JOptionPane.showInputDialog( "Enter August's repair costs:" );
String septemberRepairs =
     JOptionPane.showInputDialog( "Enter September's repair costs:" );
String octoberRepairs =
     JOptionPane.showInputDialog( "Enter October's repair costs:" );
String novemberRepairs =
     JOptionPane.showInputDialog( "Enter November's repair costs:" );
String decemberRepairs =
     JOptionPane.showInputDialog( "Enter December's repair costs:" );
double january = Double.parseDouble(januaryRepairs );
double february = Double.parseDouble(februaryRepairs );
double march = Double.parseDouble(marchRepairs );
double april = Double.parseDouble(aprilRepairs );
double may = Double.parseDouble(mayRepairs );
double june = Double.parseDouble(juneRepairs );
double july = Double.parseDouble(julyRepairs );
double august = Double.parseDouble(augustRepairs );
double september = Double.parseDouble(septemberRepairs );
double october = Double.parseDouble(octoberRepairs );
double november = Double.parseDouble(novemberRepairs );
double december = Double.parseDouble(decemberRepairs );
double annualrepaircost = january + february + march + april + may + june + july + august + september + october + november + december;
double payment = annualrepaircost / 12;
if (annualrepaircost <= 3600 )
     JOptionPane.showMessageDialog(null, "          Keep your car.\n          Your monthly repair\n          costs only average\n           out to be: " + payment + "\n          Your annual repair costs\n          this year\n were: " + annualrepaircost, " Recommendation", JOptionPane.PLAIN_MESSAGE );
else
     JOptionPane.showMessageDialog(null, "          You should consider purchasing a new\n          car if you can get a payment\n          for less than: " + payment + "\n          Your annual repair costs\n          this year\n          were: " + annualrepaircost,
     " Recommendation: ", JOptionPane.PLAIN_MESSAGE );
}

Hi,
try the following:
double payment;
JOptionPane.showMessageDialog(null, String.format("Payment: %.2f ", payment));
/Mattias

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Help wanting to limit output to 2 decimal places :O

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read up on, or search the forum on NumberFormat and in particular the factory method NumberFormat.getCurrencyInstance(); This is what you need here.

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data acquisition 2 (SubVI).vi ‏71 KB

You need to find a DAQ with a lower Absolute Accuracy.
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Hi,
In my current ABAP program, the output is shown as 2 decimals, using the following domain:
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Output length: 17
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Hi
Check once again the attributes of that Qty field in Dataelement and domain
Because for all QUAN type fields it is always 3 DECIMAL places
you are saying it is 2
check it
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like fields LFIMG.MENGE,FKIMG,KWMENG all fields with 3 decimals
Reward points for useful Answers
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HI,
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===================================
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846954 wrote:
Thanks Frank!
I got much further now :).
I've got Oracle 10g So I used the "SYS_CONNECT_BY_PATH" for my query.
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It looks like you were using an Oracle 9 exanple. In Oracle 10, using SYS_CONNECT_BY_PATH is simpler:
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FROM     (
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          ,     ROW_NUMBER () OVER ( PARTITION BY id
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WHERE     CONNECT_BY_ISLEAF     = 1
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Help with limiting JOptionPane output to 2 decimal places

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