申論題

 12. NumberFormat nf = NumberFormat.getInstance()；

 13. nf.setMaximumFractionDigits(4)；

 14. nf.setMinimumFractionDigits(2)； 

15. String a = nf.format(3.1415926)；

 16. String b = nf.format(2)； 

Which two statements are true about The result if the default locale is Locale.US? (Choose two.) (A) The value of b is 2. (B) The value of a is 3.14. (C) The value of b is 2.00. (D) The value of a is 3.141. (E) The value of a is 3.1415. (F) The value of a is 3.1416. (G)The value of b is 2.0000.