国际化之货币符号显示

package com.tutorialspoint;

import java.util.*;
import java.text.SimpleDateFormat;
import java.text.DecimalFormat;
import java.text.DecimalFormatSymbols;
import java.text.NumberFormat;
import java.util.Locale;

public class CurrencyDemo {
   public static void main(String args[]) {
        /*
      // create a currency object with specified locale
      Locale locale = Locale.GERMANY;
      Currency curr = Currency.getInstance(locale);

      // print currency's code
      System.out.println("Locale's currency code:" + curr.getCurrencyCode());
      */
      
      
        
        double number = 123456.789;
        
        // https://developer.android.com/reference/java/util/Locale#fields_2
        Locale[] locales = {
            Locale.CANADA, 
            Locale.CANADA_FRENCH,
            Locale.CHINA,
            Locale.FRANCE,
            Locale.GERMANY,
            Locale.ITALY, 
            Locale.JAPAN,
            Locale.KOREA,
            Locale.PRC,
            Locale.SIMPLIFIED_CHINESE,
            Locale.TAIWAN,
            Locale.TRADITIONAL_CHINESE,
            Locale.UK,
            Locale.US,
            new Locale("en", "IN"),
            new Locale("en", "CA"),
            new Locale("zh", "HK"),
            new Locale("zh", "MO"),
            new Locale("zh", "SG"),
            new Locale("en", "SG"),
            new Locale("th", "TH"),
            new Locale("vi", "VN"),
            new Locale("ja", "JP"),
            new Locale("ga", "IE"),
            new Locale("ms", "MY"),
            new Locale("fil", "PH"),
            new Locale("en", "AU"),
            new Locale("km", "KH"),
            new Locale("id", "ID"),
            new Locale("es", "ES"),
        };
        
        // locales = SimpleDateFormat.getAvailableLocales();

        for (int i = 0; i < locales.length; i++) {
            // Gets currency's formatted value for each locale
            // without change the currency symbol
            DecimalFormat formatter = (DecimalFormat) NumberFormat.getCurrencyInstance(locales[i]);
            String before = formatter.format(number);
            
            System.out.println(locales[i].getDisplayCountry() + " | before: " + before);
        }
   }
}