import java.util.Calendar;
import java.util.GregorianCalendar;

public final class DateSingleton {
    private static DateSingleton instance = null;
    private Calendar calendar;
    
    private DateSingleton() {
        calendar = new GregorianCalendar();
        System.out.printf("Aktuelles Datum: %02d.%02d.%04d",
                calendar.get(Calendar.DAY_OF_MONTH),
                calendar.get(Calendar.MONTH) + 1, 
                calendar.get(Calendar.YEAR));
    }
    
    public static DateSingleton getInstance() {
        if (instance == null) {
            instance = new DateSingleton();
        }
        return instance;
    }
    
}