Format a number with DecimalFormat : NumberFormat « I18N « Java Tutorial

1. Java Tutorial
2. I18N
3. NumberFormat

import java.text.DecimalFormat;
import java.text.NumberFormat;

public class Main {
  public static void main(String[] args) {
    double money = 123456789.12;

    NumberFormat formatter = new DecimalFormat("#0.00");

    System.out.println(money);

    System.out.println(formatter.format(money));
  }
}