Question

Consider the following declaration:

String s = "cat";
Which of the following statements assigns the number of characters in s to k?

A. int k = s.length;
B. int k = s.length();
C. int k = s.size;
D. int k = s.size();

Consider the following declarations:
String s1 = "apple";
String s2 = "apple";
What is the result of s1.compareTo(s2)?

A. true
B. false
C. 0
D. 1

Consider the following declarations:
String s1 = "apple";
String s2 = "APPLE";
Which of the following expressions is true?

A. s1.equals(s2) && s1.equalsIgnoreCase(s2)
B. !s1.equals(s2) && s1.equalsIgnoreCase(s2)
C. s1.equals(s2) && !s1.equalsIgnoreCase(s2)
D. !s1.equals(s2) && !s1.equalsIgnoreCase(s2)

Answer 1

B, C, B

Step-by-step explanation:

According to my understanding of these questions, these are in Java.

For the first one, there is a built in function called .length() for a string, so it's answer B.

For the second one, this should come out as C, 0 since compareTo compares the ascii values of the characters.

The third one's answer should be B. s1.equals(s2) for characters that are caps and not caps comes out with false, so ! would negate it. s1.equalsIgnoreCase(s2) would come out as true, ignoring the cases of APPLE.