How to print formatted BigDecimal values?

java formatting bigdecimal number-formatting
Roman picture Roman · Aug 3, 2010 · Viewed 192.9k times · Source

I have a BigDecimal field amount which represents money, and I need to print its value in the browser in a format like $123.00, $15.50, $0.33.

How can I do that?

(The only simple solution which I see myself is getting floatValue from BigDecimal and then using NumberFormat to make two-digit precision for the fraction part).

Answer

Luca Molteni picture Luca Molteni · Aug 3, 2010 
public static String currencyFormat(BigDecimal n) {
    return NumberFormat.getCurrencyInstance().format(n);
}

It will use your JVM’s current default Locale to choose your currency symbol. Or you can specify a Locale.

NumberFormat.getInstance(Locale.US)

For more info, see NumberFormat class.

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