Question 1

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

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

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 4

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

Accepted Answer

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

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

static final int EndVal = -1;
Int double;
Int num = console.nextInt();while (num != EndVal)
{
Double = num * 2;
System.out.println(double);
Num = console.nextInt();
}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

Question 8

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

Question 9

1, 1, 2, 3, 5, 8, 13, 21, ...What is the tenth Fibonacci number in the sequence above?

Accepted Answer

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

Question 10

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.

Exam 5: Control Structures II: Repetition

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

The do...while loop has an exit condition but no 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 output of the following code?int count; Int num = 2;for (count = 1; count " ") ; } System.out.println() ;

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

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

static final int EndVal = -1; Int double; Int num = console.nextInt() ;while (num != EndVal) { Double = num * 2; System.out.println(double) ; Num = console.nextInt() ; }The above code is an example of a(n) ____ while loop.

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

1, 1, 2, 3, 5, 8, 13, 21, ...What is the tenth Fibonacci number in the sequence above?

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