If Str1 and Str2 Are Both Strings, Which of the Following

Multiple Choice

If str1 and str2 are both Strings, which of the following will correctly test to determine whether str1 is less than str2?
(1) (str1 < str2)
(2) (str1.equals(str2) < 0)
(3) (str1.compareTo(str2) < 0)

A) 1, 2, and 3 will all work
B) 2
C) 3
D) 2 and 3