Java BigDecimal monetary calculation
import java.math.BigDecimal; import java.text.NumberFormat; import java.util.Locale; public class Main { public static void main(String[] args) { // Run the currency calculation examples BigDecimal currencyOne = new BigDecimal("225.65"); BigDecimal currencyTwo = new BigDecimal("187.32"); BigDecimal currencyThree = new BigDecimal("24.86"); BigDecimal result = null;/*from w ww .j ava2 s.c o m*/ String printFormat = null; // Add all three values result = currencyOne.add(currencyTwo).add(currencyThree); // Convert to double and send to formatDollars(), returning a String printFormat = formatDollars(result.doubleValue()); System.out.println(printFormat); // Subtract the first currency value from the second result = currencyTwo.subtract(currencyOne); printFormat = formatDollars(result.doubleValue()); System.out.println(printFormat); } /** * Formats a double value into currency format and then returns it as a String * * @param value * @return */ public static String formatDollars(double value) { NumberFormat dollarFormat = NumberFormat.getCurrencyInstance(Locale.US); return dollarFormat.format(value); } }