Sample DateTimeFormatter with locale

Do not change locale system wide , do not disturb others!
Create different locales and formatters with given locale and use them.

import java.text.*;
import java.util.*;

public class DateTimeFormatter {

    private static final Locale ukrainianLocale = new Locale ("uk", "UA");
    private static final Locale russianLocale = new Locale ("ru", "RU");
    private static final Locale englishLocale = new Locale ("en", "EN");

    public static DateFormat ukranianDateFormatter;
    public static DateFormat russianDateFormatter;
    public static DateFormat englishDateFormatter;

    public DateTimeFormatter (String dateFormatPattern) {
        ukranianDateFormatter = new SimpleDateFormat (dateFormatPattern, ukrainianLocale);
        russianDateFormatter = new SimpleDateFormat (dateFormatPattern, russianLocale);
        englishDateFormatter = new SimpleDateFormat (dateFormatPattern, englishLocale);
    }

    public static String format (Date date, String lang) {
        String formattedDateTime;
        if ("ru".equalsIgnoreCase (lang)) {
            formattedDateTime = russianDateFormatter.format (date);
        } else if ("en".equalsIgnoreCase (lang)) {
            formattedDateTime = englishDateFormatter.format (date);
        } else {
            formattedDateTime = ukranianDateFormatter.format (date);
        }
        return formattedDateTime;
    }

    public static void main (String[] args) {
        DateTimeFormatter df = new DateTimeFormatter ("dd/MMM/yy HH:mm");
        Date now = new Date ();
        System.out.println ("uk date:" + df.format (now, "uk"));
        System.out.println ("en date:" + df.format (now, "EN"));
        System.out.println ("ru date:" + df.format (now, "ru"));
    }
}

uk date:03/трав/10 16:17
en date:03/May/10 16:17
ru date:03/май/10 16:17