AP CSA Unit 2: Lesson 3 Questions

Which of the following code segments correctly declares a String s and gives it a value of "fundamentals"? Select all that apply.

String s = "fundamentals";
String s = ("fundamentals");
String s;
s = "fundamentals";

Which of the following commands will print the output below?
\/
'`

System.out.print("\\/\n\'`");

A special value that can be assigned to an object that has no value:

null

The correct way to concatenate two Strings is ______.

None of the items listed

Use the following code for questions 2-7:
String w1;
String w2 = "ants";
String w3 = "flies";
What is stored in w1 by the following?
w1 = "type: " + w2;

type: ants

What is stored in w1 by the following?
w1 = w3.substring(1, 3);

li

What is stored in w1 by the following?
w1 = w3.substring(2);

ies

What is the output?
System.out.println(w3.compareTo("bugs"));

4

What is the output?
System.out.println(w2.compareTo(w3));

-5

What is stored in w1 by the following?
w1 = w2.toUpperCase();

ANTS