import java.text.DateFormatSymbols;
import java.util.Locale;
 
public class DateUtils {
  private DateUtils() {  }

  public static String getMonthName(int month) {
    return getMonthName(month, Locale.getDefault());
  }
  
  public static String getMonthName(int month, Locale locale) {
    DateFormatSymbols symbols = new DateFormatSymbols(locale);
    String[] monthNames = symbols.getMonths();
    return monthNames[month - 1];
  }

  
  public static String getDayName(int day, Locale locale) {
    DateFormatSymbols symbols = new DateFormatSymbols(locale);
    String[] dayNames = symbols.getWeekdays();
    return dayNames[day];
  }
  

  public static void main(String[] args) {
    
    System.out.println(DateUtils.getMonthName(1));
    System.out.println(DateUtils.getMonthName(1, new Locale("it"))); 
 
    System.out.println(DateUtils.getDayName(java.util.Calendar.SUNDAY, Locale.getDefault()));
    
    /*
     * output :
     *   january
     *   gennaio  
     *   sunday
     */
  }
}