how can I format credit card number

I have a  BigDecimal number for credit card like
1111111111111111
I want to be displaied as xxxx-xxxx-xxxx-1111

thanks
salasadiAsked:
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evnafetsConnect With a Mentor Commented:
So the quick and dirty fix is to convert the BigDecimal into a string (using toString), grab the last four numbers, and put xxxx-xxxx-xxxx- in front of it.

BigDecimal bd = new BigDecimal("1234123412341234");
String cNum = bd.toString();
String filteredCnum = "xxxx-xxxx-xxxx-" + cNum.substring(cNum.length()-4);
        
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vikrant4u2Commented:
hope the following piece of code might help.

DecimalFormat df = new DecimalFormat();
df.applyPattern("#,##,###,####");
BigDecimal bd = new BigDecimal("1111111111111111");
System.out.println("Result :"+df.format(bd.longValue()).replace(',','-'));;

here i have tried to use java.text.DecimalFormat class
here the replace(',','-') is used, since i was not able to use '-' as seperator in the pattern.

regards
vikrant
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salasadiAuthor Commented:
Vikrant ...
Thanks for the example.  this displays the number as 11111-11111-11111-11111 I want ONLY the 4 digits displays and the rest will be xxxx-xxxx-xxxx-1111

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