Java Number Formatting with Comma Separators

Use the DecimalFormat class e.g.:

DecimalFormat f = new DecimalFormat("#,###.##.00"); String str = f.format(12345.67);

References:

• http://stackoverflow.com/questions/3672731/how-can-i-format-a-string-number-to-have-commas-and-round
• http://docs.oracle.com/javase/tutorial/java/data/numberformat.html