Question 1

The do...while loop has an exit condition but no entry condition.

Accepted Answer

A) True 
 B)False  True

Question 2

Which of the following is true about a while loop?

Accepted Answer

A)  The body of the loop is executed at least once. 
B)  The logical expression controlling the loop is evaluated before the loop is entered and after the loop exists. 
C)  The body of the loop may not execute at all. 
D)  It is a post-test loop 
A)  The body of the loop is executed at least once. 
B)  The logical expression controlling the loop is evaluated before the loop is entered and after the loop exists. 
C)  The body of the loop may not execute at all. 
D)  It is a post-test loop C

Question 3

If y = 0, how many times would the loop above execute?

Accepted Answer

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

Question 4

The loop condition of a while loop is reevaluated before every iteration of the loop.

Accepted Answer

A) True 
 B)False

Question 5

The control statements in the for loop include the initial expression, logical expression, and update expression.

Accepted Answer

A) True 
 B)False

Question 6

In the case of the sentinel-controlled while loop, the first item is read before the while loop is entered.

Accepted Answer

A) True 
 B)False

Question 7

To read data from a file of unspecified length, an EOF-controlled while loop is a better choice than a counter-controlled while loop.

Accepted Answer

A) True 
 B)False

Question 8

The above code is an example of a(n) ____ loop.

Accepted Answer

A)  flag-controlled 
B)  counter-controlled 
C)  EOF-controlled 
D)  sentinel-controlled 
A)  flag-controlled 
B)  counter-controlled 
C)  EOF-controlled 
D)  sentinel-controlled

Question 9

Which of the following is not a function of the break statement?

Accepted Answer

A)  To exit early from a loop 
B)  To skip the remainder of a switch structure 
C)  To eliminate the use of certain boolean variables in a loop 
D)  To ignore certain values for variables and continue with the next iteration of a loop 
A)  To exit early from a loop 
B)  To skip the remainder of a switch structure 
C)  To eliminate the use of certain boolean variables in a loop 
D)  To ignore certain values for variables and continue with the next iteration of a loop

Question 10

In the for statement, if the logical expression is omitted, it is assumed to be false.

Accepted Answer

A) True 
 B)False

Question 11

The following for loop executes 21 times. (Assume all variables are properly declared.) for (i = 1; i <= 20; i = i + 1) System.out.println(i);

Accepted Answer

A) True 
 B)False

Question 12

Assume that all variables in the following code are properly declared and that the input is 3 7 4 -1. The output is 13. num = console.nextInt(); sum = num; while (num != -1) {num = console.nextInt(); sum = sum + num;} System.out.println(sum);

Accepted Answer

A) True 
 B)False

Question 13

Which of the following is the logical expression in the for loop above?

Accepted Answer

A)  i = 0; 
B)  i <= 10; 
C)  i++ 
D)  System.out.println("*"); 
A)  i = 0; 
B)  i <= 10; 
C)  i++ 
D)  System.out.println("*");

Question 14

A loop is a control structure that causes certain statements to be executed over and over until certain conditions are met.

Accepted Answer

A) True 
 B)False

Question 15

The output of the Java code, assuming that all variables are properly declared, is 32. num = 10; while (num <= 32) num = num + 5; System.out.println(num);

Accepted Answer

A) True 
 B)False

Question 16

The output of the Java code, assuming that all variables are properly declared, is: 2 3 4 5 6. n = 2; while (n >= 6) {System.out.print(n + " "); n++;} System.out.println();

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is the update expression in the for loop above?

Accepted Answer

A)  i = 0; 
B)  i <= 10; 
C)  i++; 
D)  System.out.println("*"); 
A)  i = 0; 
B)  i <= 10; 
C)  i++; 
D)  System.out.println("*");

Question 18

What is the output of the following code? int count; int num = 2; for (count = 1; count < 2; count++) {num = num + 3; System.out.print(num + " ");} System.out.println();

Accepted Answer

A)  5 
B)  5 8 
C)  2 5 8 
D)  5 8 11 
A)  5 
B)  5 8 
C)  2 5 8 
D)  5 8 11

Question 19

The above code is an example of a(n) ____ while loop.

Accepted Answer

A)  flag-controlled 
B)  counter-controlled 
C)  EOF-controlled 
D)  sentinel-controlled 
A)  flag-controlled 
B)  counter-controlled 
C)  EOF-controlled 
D)  sentinel-controlled

Question 20

Which of the following is the initial expression in the for loop above?

Accepted Answer

A)  i = 0; 
B)  i <= 10; 
C)  i++ 
D)  System.out.println("*"); 
A)  i = 0; 
B)  i <= 10; 
C)  i++ 
D)  System.out.println("*");

The do...while loop has an exit condition but no entry condition.

Which of the following is true about a while loop?

If y = 0, how many times would the loop above execute?

The loop condition of a while loop is reevaluated before every iteration of the loop.

The control statements in the for loop include the initial expression, logical expression, and update expression.

In the case of the sentinel-controlled while loop, the first item is read before the while loop is entered.

To read data from a file of unspecified length, an EOF-controlled while loop is a better choice than a counter-controlled while loop.

The above code is an example of a(n) ____ loop.

Which of the following is not a function of the break statement?

In the for statement, if the logical expression is omitted, it is assumed to be false.

The following for loop executes 21 times. (Assume all variables are properly declared.) for (i = 1; i <= 20; i = i + 1) System.out.println(i);

Assume that all variables in the following code are properly declared and that the input is 3 7 4 -1. The output is 13. num = console.nextInt(); sum = num; while (num != -1) {num = console.nextInt(); sum = sum + num;} System.out.println(sum);

Which of the following is the logical expression in the for loop above?

A loop is a control structure that causes certain statements to be executed over and over until certain conditions are met.

The output of the Java code, assuming that all variables are properly declared, is 32. num = 10; while (num <= 32) num = num + 5; System.out.println(num);

The output of the Java code, assuming that all variables are properly declared, is: 2 3 4 5 6. n = 2; while (n >= 6) {System.out.print(n + " "); n++;} System.out.println();

Which of the following is the update expression in the for loop above?

What is the output of the following code? int count; int num = 2; for (count = 1; count < 2; count++) {num = num + 3; System.out.print(num + " ");} System.out.println();

The above code is an example of a(n) ____ while loop.

Which of the following is the initial expression in the for loop above?

An Overview of Computers and Programming Languages

Basic Elements of Java

Introduction to Objects and Inputoutput

Control Structures I: Selection

Graphical User Interface Gui and Object-Oriented Design OOD

User-Defined Methods

User-Defined Classes and Adts

Arrays

Inheritance and Polymorphism

Handling Exceptions and Events

Advanced Guis and Graphics

Recursion

Searching and Sorting

Filters

Exam 5: Control Structures II: Repetition

The do...while loop has an exit condition but no entry condition.

Which of the following is true about a while loop?

If y = 0, how many times would the loop above execute?

The loop condition of a while loop is reevaluated before every iteration of the loop.

The control statements in the for loop include the initial expression, logical expression, and update expression.

In the case of the sentinel-controlled while loop, the first item is read before the while loop is entered.

To read data from a file of unspecified length, an EOF-controlled while loop is a better choice than a counter-controlled while loop.

The above code is an example of a(n) ____ loop.

Which of the following is not a function of the break statement?

In the for statement, if the logical expression is omitted, it is assumed to be false.

The following for loop executes 21 times. (Assume all variables are properly declared.) for (i = 1; i <= 20; i = i + 1) System.out.println(i);

Assume that all variables in the following code are properly declared and that the input is 3 7 4 -1. The output is 13. num = console.nextInt(); sum = num; while (num != -1) {num = console.nextInt(); sum = sum + num;} System.out.println(sum);

Which of the following is the logical expression in the for loop above?

A loop is a control structure that causes certain statements to be executed over and over until certain conditions are met.

The output of the Java code, assuming that all variables are properly declared, is 32. num = 10; while (num <= 32) num = num + 5; System.out.println(num);

The output of the Java code, assuming that all variables are properly declared, is: 2 3 4 5 6. n = 2; while (n >= 6) {System.out.print(n + " "); n++;} System.out.println();

Which of the following is the update expression in the for loop above?

What is the output of the following code? int count; int num = 2; for (count = 1; count < 2; count++) {num = num + 3; System.out.print(num + " ");} System.out.println();

The above code is an example of a(n) ____ while loop.

Which of the following is the initial expression in the for loop above?

An Overview of Computers and Programming Languages

Basic Elements of Java

Introduction to Objects and Inputoutput

Control Structures I: Selection

Graphical User Interface Gui and Object-Oriented Design OOD

User-Defined Methods

User-Defined Classes and Adts

Arrays

Inheritance and Polymorphism

Handling Exceptions and Events

Advanced Guis and Graphics

Recursion

Searching and Sorting

Filters