Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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 3

A loop that continues to execute endlessly is called an endless loop.

Accepted Answer

A) True 
 B)False

Question 4

int x = 27;
Int y = 10;do
X = x / 3;
While (x >= y);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 5

int sum = 0;int limit = console.nextInt();
Int counter = 0;while (counter <= limit){
Entry = console.nextInt();
Sum = sum + entry;
Counter++;
}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 6

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 7

EOF-controlled while loop is another name for sentinel-controlled while loop.

Accepted Answer

A) True 
 B)False

Question 8

Like a do...while loop, the body of a while loop executes at least once.

Accepted Answer

A) True 
 B)False

Question 9

Because a do...while loop is a post-test loop, the body of the loop may not execute at all.

Accepted Answer

A) True 
 B)False

Question 10

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 11

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 12

Where is the continue statement NOT usually used?

Accepted Answer

A)  while loops 
B)  for loops 
C)  switch structures 
D)  do...while loops 
A)  while loops 
B)  for loops 
C)  switch structures 
D)  do...while loops

Question 13

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 14

If the while expression becomes false in the middle of the while loop body, the loop terminates immediately.

Accepted Answer

A) True 
 B)False

Question 15

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 16

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 17

int x = 27;
Int y = 10;do
X = x / 3;
While (x >= y);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

Question 18

A counter-controlled loop is used when the exact number of data entries is known.

Accepted Answer

A) True 
 B)False

Question 19

After a break statement executes, the program continues to execute with the first statement after the structure.

Accepted Answer

A) True 
 B)False

Question 20

int i;for (i = 0; i <= 10; i++)
System.out.println("*");
System.out.println("!");Which of the following is the logical expression in the for loop above?

Accepted Answer

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

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

Which of the following does not have an entry condition?

A loop that continues to execute endlessly is called an endless loop.

int x = 27; Int y = 10;do X = x / 3; While (x >= y);How many times does the statement above execute?

int sum = 0;int limit = console.nextInt(); Int counter = 0;while (counter <= limit){ Entry = console.nextInt(); Sum = sum + entry; Counter++; }The above code is an example of a(n) ____ while loop.

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);

EOF-controlled while loop is another name for sentinel-controlled while loop.

Like a do...while loop, the body of a while loop executes at least once.

Because a do...while loop is a post-test loop, the body of the loop may not execute at all.

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

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

Where is the continue statement NOT usually used?

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);

If the while expression becomes false in the middle of the while loop body, the loop terminates immediately.

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

int x = 27; Int y = 10;do X = x / 3; While (x >= y);If y = 0, how many times would the loop above execute?

A counter-controlled loop is used when the exact number of data entries is known.

After a break statement executes, the program continues to execute with the first statement after the structure.

int i;for (i = 0; i <= 10; i++) System.out.println("*"); System.out.println("!");Which of the following is the logical expression in the for loop above?

An Overview of Computers and Programming Languages

Basic Elements of Java

Introduction to Objects and Input/output

Control Structures I: Selection

Graphical User Interface GUI and Object-Oriented Design OOD

User-Defined Methods

User-Defined Classes

Arrays

Inheritance and Polymorphism

Handling Exceptions and Events

Advanced Guis and Graphics

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Applications of Arrays Searching and Sorting and Strings

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Exam 5: Control Structures II: Repetition

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

Which of the following does not have an entry condition?

A loop that continues to execute endlessly is called an endless loop.

int x = 27; Int y = 10;do X = x / 3; While (x >= y);How many times does the statement above execute?

int sum = 0;int limit = console.nextInt(); Int counter = 0;while (counter <= limit){ Entry = console.nextInt(); Sum = sum + entry; Counter++; }The above code is an example of a(n) ____ while loop.

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);

EOF-controlled while loop is another name for sentinel-controlled while loop.

Like a do...while loop, the body of a while loop executes at least once.

Because a do...while loop is a post-test loop, the body of the loop may not execute at all.

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

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

Where is the continue statement NOT usually used?

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);

If the while expression becomes false in the middle of the while loop body, the loop terminates immediately.

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

int x = 27; Int y = 10;do X = x / 3; While (x >= y);If y = 0, how many times would the loop above execute?

A counter-controlled loop is used when the exact number of data entries is known.

After a break statement executes, the program continues to execute with the first statement after the structure.

int i;for (i = 0; i <= 10; i++) System.out.println("*"); System.out.println("!");Which of the following is the logical expression in the for loop above?

An Overview of Computers and Programming Languages

Basic Elements of Java

Introduction to Objects and Input/output

Control Structures I: Selection

Graphical User Interface GUI and Object-Oriented Design OOD

User-Defined Methods

User-Defined Classes

Arrays

Inheritance and Polymorphism

Handling Exceptions and Events

Advanced Guis and Graphics

Recursion

Applications of Arrays Searching and Sorting and Strings

Filters