Java tutorial
import java.text.DateFormat; import java.util.Calendar; import java.util.Locale; public class Test { public static void main(String[] args) { Locale locale = Locale.getDefault(); Calendar calendar = Calendar.getInstance(); calendar.setWeekDate(2012, 16, 3); System.out.println( DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG).format(calendar.getTime())); System.out.println("" + locale.getDisplayLanguage()); Locale.setDefault(Locale.Category.FORMAT, Locale.JAPANESE); Locale.setDefault(Locale.Category.DISPLAY, Locale.GERMAN); System.out.println( DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG).format(calendar.getTime())); System.out.println("" + locale.getDisplayLanguage()); } }