Pattern for Decimal Format

Question

I would like to translate 10000000.0 to PREFIX10,000,000.00

May I know what pattern I should pass into DecimalFormat?

NumberFormat numberFormat = new DecimalFormat(...);
numberFormat.format(10000000.0);

Answer 1

new DecimalFormat("PREFIX#,##0.00");

This will always show at least one integer digit (e.g. 0), and use comma as group separator.