多选题 Given that "it, IT" and "pt" are valid Locale codes, and given:
41. Date d = new Date();
42. DateFormat df;
43. Locale[] la = {new Locale ("it", "IT"), new Locale("pt") };
44. for(Locale i: la) {
45. df = DateFormat.getDateInstance(DateFormat. FULL, i);
46. System.out.println(d.format (df));
47. }
Which are true? (Choose all that apply.)

A、 An exception will be thrown at runtime.
B、 Compilation fails due to an error on line 43.
C、 Compilation fails due to an error on line 45.
D、 Compilation fails due to an error on line 46.
E、 Classes from the java.text package are used in this code.
F、 Classes from the java.util package are used in this code.

【正确答案】 D、E、F

【答案解析】