Question 1

Which of the following is NOT a reserved word in Java?

Accepted Answer

A)  do 
B)  while 
C)  for 
D)  loop 
A)  do 
B)  while 
C)  for 
D)  loop

Question 2

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

Accepted Answer

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

Question 3

What is value of x after the following code executes? int x = 0; int i; for (i = 0; i < 5; i++) x = 3 * x + i;

Accepted Answer

A)  18 
B)  58 
C)  179 
D)  226 
A)  18 
B)  58 
C)  179 
D)  226

Question 4

What is the output of the following Java code? int num = 15; while (num > 0) num = num - 3; System.out.println(num);

Accepted Answer

A)  0 
B)  3 
C)  12 
D)  15 
A)  0 
B)  3 
C)  12 
D)  15

Question 5

A syntax error will result if the control statements of a for loop are omitted.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following does not have an entry condition?

Accepted Answer

A)  EOF-controlled while loop 
B)  sentinel-controlled while loop 
C)  do...while loop 
D)  for loop 
A)  EOF-controlled while loop 
B)  sentinel-controlled while loop 
C)  do...while loop 
D)  for loop

Question 7

If a continue statement is placed in a do...while structure, the loop-continue test is evaluated immediately after the continue statement.

Accepted Answer

A) True 
 B)False

Question 8

What is the tenth Fibonacci number in the sequence above?

Accepted Answer

A)  21 
B)  34 
C)  55 
D)  89 
A)  21 
B)  34 
C)  55 
D)  89

Question 9

Suppose sum and num are int variables, and the input is 20 25 10 18 -1 What is the output of the following code? (Assume that console is a Scanner object initialized to the standard input device.) sum = 0; num = console.nextInt(); while (num != -1) {if (num >= 20) sum = sum + num; else sum = sum - num; num = console.nextInt();} System.out.println(sum);

Accepted Answer

A)  17 
B)  28 
C)  45 
D)  60 
A)  17 
B)  28 
C)  45 
D)  60

Question 10

What is the value of counter after the following statements execute? counter = 1; while (counter < 30) counter = 2 * counter;

Accepted Answer

A)  16 
B)  32 
C)  64 
D)  53 
A)  16 
B)  32 
C)  64 
D)  53

Question 11

Which executes first in a do...while loop?

Accepted Answer

A)  statement 
B)  logical expression 
C)  initial statement 
D)  update expression 
A)  statement 
B)  logical expression 
C)  initial statement 
D)  update expression

Question 12

How many times does the statement above execute?

Accepted Answer

A)  none 
B)  once 
C)  twice 
D)  three times 
A)  none 
B)  once 
C)  twice 
D)  three times

Question 13

Control variables are automatically initialized in a loop.

Accepted Answer

A) True 
 B)False

Question 14

Which executes immediately after a continue statement in a for loop?

Accepted Answer

A)  initial statement 
B)  update statement 
C)  loop condition 
D)  the body of the loop 
A)  initial statement 
B)  update statement 
C)  loop condition 
D)  the body of the loop

Question 15

Which of the following loops is guaranteed to execute at least once?

Accepted Answer

A)  counter-controlled while loop 
B)  for loop 
C)  do...while loop 
D)  sentinel-controlled while loop 
A)  counter-controlled while loop 
B)  for loop 
C)  do...while loop 
D)  sentinel-controlled while loop

Question 16

A while loop is a post-test loop.

Accepted Answer

A) True 
 B)False

Question 17

The output of the following Java code is: Stoor. int count = 5; System.out.print("Sto"); do {System.out.print('o'); count--;} while (count >= 5); System.out.println('r');

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is true about a do...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. 
C)  The body of the loop may not execute at all. 
D)  It is a pretest 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. 
C)  The body of the loop may not execute at all. 
D)  It is a pretest loop.

Question 19

A break statement is legal in a while loop, but not in a for loop.

Accepted Answer

A) True 
 B)False

Question 20

What is the final value of x in the code above?

Accepted Answer

A)  0 
B)  3 
C)  9 
D)  27 
A)  0 
B)  3 
C)  9 
D)  27

Which of the following is NOT a reserved word in Java?

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

What is value of x after the following code executes? int x = 0; int i; for (i = 0; i < 5; i++) x = 3 * x + i;

What is the output of the following Java code? int num = 15; while (num > 0) num = num - 3; System.out.println(num);

A syntax error will result if the control statements of a for loop are omitted.

Which of the following does not have an entry condition?

If a continue statement is placed in a do...while structure, the loop-continue test is evaluated immediately after the continue statement.

What is the tenth Fibonacci number in the sequence above?

What is the value of counter after the following statements execute? counter = 1; while (counter < 30) counter = 2 * counter;

Which executes first in a do...while loop?

How many times does the statement above execute?

Control variables are automatically initialized in a loop.

Which executes immediately after a continue statement in a for loop?

Which of the following loops is guaranteed to execute at least once?

A while loop is a post-test loop.

The output of the following Java code is: Stoor. int count = 5; System.out.print("Sto"); do {System.out.print('o'); count--;} while (count >= 5); System.out.println('r');

Which of the following is true about a do...while loop?

A break statement is legal in a while loop, but not in a for loop.

What is the final value of x in the code 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

Which of the following is NOT a reserved word in Java?

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

What is value of x after the following code executes? int x = 0; int i; for (i = 0; i < 5; i++) x = 3 * x + i;

What is the output of the following Java code? int num = 15; while (num > 0) num = num - 3; System.out.println(num);

A syntax error will result if the control statements of a for loop are omitted.

Which of the following does not have an entry condition?

If a continue statement is placed in a do...while structure, the loop-continue test is evaluated immediately after the continue statement.

What is the tenth Fibonacci number in the sequence above?

What is the value of counter after the following statements execute? counter = 1; while (counter < 30) counter = 2 * counter;

Which executes first in a do...while loop?

How many times does the statement above execute?

Control variables are automatically initialized in a loop.

Which executes immediately after a continue statement in a for loop?

Which of the following loops is guaranteed to execute at least once?

A while loop is a post-test loop.

The output of the following Java code is: Stoor. int count = 5; System.out.print("Sto"); do {System.out.print('o'); count--;} while (count >= 5); System.out.println('r');

Which of the following is true about a do...while loop?

A break statement is legal in a while loop, but not in a for loop.

What is the final value of x in the code 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