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)+ I +(calendar.get(Calendar.MONTH)+1)+ | +calendar.get(Calendar.DAY_OF_MONTH));
A．Employee[]e
B．"employee.dat"
C．PrintWriter out
D．BufferedWriter