To do a case insensitive compare which of the following could be used to test the equality of two strings,str1 and str2?
A) (str1.equalsIgnoreCase(str2))
B) (str1.compareToIgnoreCase(str2)== 0)
C) Only a
D) a and b

Question

Quizplus · Accepted Answer

Both options a and b are valid for performing a case insensitive comparison between two strings. 
Option a, which uses the method "equalsIgnoreCase", checks for the equality of two strings without considering their case. 
Option b, which uses the method "compareToIgnoreCase", returns 0 if the two strings are equal (again, regardless of case) and a positive or negative value if they are not equal. Therefore, both options are suitable for performing a case insensitive comparison of two strings.

To Do a Case Insensitive Compare Which of the Following