Quiz Yourself on Boolean Expressions and if Statements

Attempt the following quiz to test your understanding of boolean expressions and if statements.

1

Consider the following code:

String s1 = "Sorry", s2 = "sorry", s3 = "shelves";
boolean answer1 = s1.compareTo(s2) == 0;
boolean answer2 = !(s1.compareTo(s3) < 0);
boolean answer3 = !(s1.substring(2,3).equals(s2.substring(3,4)));
boolean answer4 = !(s2.length() < s3.indexOf("e"));

Which boolean variables in the above code are initialized to false?

A)

answer1

B)

answer2

C)

answer3

D)

answer4

Question 1 of 190 attempted

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