The example presented in this code snippet show you how to get the available currency codes. We will need the locale information and use the Currency class for this example.

package org.kodejava.example.util;

import java.util.Currency;
import java.util.Locale;
import java.util.Map;
import java.util.TreeMap;

public class CurrencySymbolDemo {
    public static void main(String[] args) {
        CurrencySymbolDemo cs = new CurrencySymbolDemo();

        Map<String, String> currencies = cs.getAvailableCurrencies();
        for (String country : currencies.keySet()) {
            String currencyCode = currencies.get(country);
            System.out.println(country + " => " + currencyCode);
        }
    }

    /**
     * Get the currencies code from the available locales information.
     *
     * @return a map of currencies code.
     */
    private Map<String, String> getAvailableCurrencies() {
        Locale[] locales = Locale.getAvailableLocales();

        // We use TreeMap so that the order of the data in the map sorted
        // based on the country name.
        Map<String, String> currencies = new TreeMap<>();
        for (Locale locale : locales) {
            try {
                currencies.put(locale.getDisplayCountry(),
                    Currency.getInstance(locale).getCurrencyCode());
            } catch (Exception e) {
                // when the locale is not supported
            }
        }
        return currencies;
    }
}

You will have something like this printed on the screen:

...
Honduras => HNL
Hong Kong => HKD
Hungary => HUF
Iceland => ISK
India => INR
Indonesia => IDR
Iraq => IQD
Ireland => EUR
Israel => ILS
Italy => EUR
...

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Wayan

Founder at Kode Java Org

I am a programmer, a runner, a recreational diver, currently live in the island of Bali, Indonesia. Mostly programming in Java, Spring Framework, Hibernate / JPA. If these posts help, you can support me, buy me a cup of coffee or tea. Thank you 🥳

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