Truncate Number Service -- Formatting in Java

import java.text.DecimalFormat;
import java.text.FieldPosition;

public class TruncateNumberService
{
   public static String format(double number)
   {
     DecimalFormat format = new DecimalFormat("#0.00");
     FieldPosition f = new FieldPosition(0);
     StringBuffer s = new StringBuffer();
     s = format.format(number, s, f);
     return s.toString();
   }
}