Deck 1: Introduction to Computers, Programs, and Java

Question 1

Assume x is 0. What is the output of the following statement?

Answer 1

C

Question 2

What is the printout of the following switch statement?

A) ab
B) a
C) aa
D) abc
E) abcd

Answer 2

B

Question 3

Which of the following is a constant, according to Java naming conventions?

A) read
B) MAX_VALUE
C) ReadInt
D) Test

Answer 3

B

Question 4

What is y after the following switch statement is executed?

A) 1
B) 4
C) 3
D) 2
E) 0

Question 5

To declare a constant MAX_LENGTH inside a method with value 99.98, you write

A) final double MAX_LENGTH = 99.98;
B) double MAX_LENGTH = 99.98;
C) final MAX_LENGTH = 99.98;
D) final float MAX_LENGTH = 99.98;

Question 6

Analyze the following code:

A) Code 2 has syntax errors.
B) Code 1 has syntax errors.
C) Both Code 1 and Code 2 have syntax errors.
D) Both Code 1 and Code 2 are correct, but Code 2 is better.

Question 7

What is x after evaluating x = (2 > 3) ? 2 : 3;

A) 5
B) 2
C) 3
D) 4

Question 8

What is y after the following switch statement?

A) 2
B) 1
C) 0
D) -1

Question 9

Analyze the following code.

A) The value of variable x is always printed.
B) The symbol x is always printed twice.
C) The symbol x is always printed.
D) Nothing is printed because x > 0 is false.