单项选择题

在下面附属类方法中的下划线处应填入的正确参数是______。 public void writeData throws IOException { Gregoriancalendar calendar=new Gregoriancalendar(); calendar setTime(hireDay); out.println(name+"|" +salary+"|" +calendar.get(calendar.YEAR)+"|" +(calendar.get(Calendar MONTH)+1)"|" +calendar.get(Calendar.DAY_OF_MONTH)); }