SimpleDateFormat plus fem hverdage

fandt en løsning med
Calendar cal = Calendar.getInstance();
    cal.setTime(today);
    cal.add(Calendar.DATE, +5);

    System.out.println(cal.get(Calendar.DAY_OF_MONTH));
    System.out.println(cal.get(Calendar.MONTH));   
    System.out.println(cal.get(Calendar.YEAR));