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)):}
A.Employee[]e
B."employee.dat"
C.PrintWriter out
D.BufferedWriter