The best way is with java.text.DateFormatSymbols
DateFormatSymbols symbols = new DateFormatSymbols(new Locale("it"));
// for the current Locale :
// DateFormatSymbols symbols = new DateFormatSymbols();
String[] dayNames = symbols.getShortWeekdays();
for (String s : dayNames) {
System.out.print(s + " ");
}
// output : dom lun mar mer gio ven sab
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