Java Test 3 Part A
32 Questions
| Attempts: 55
This section consists of 20 questions.
Questions and Answers
- 1.
When using a switch statement in Java, a no-match condition results in an error.
- A.
True
- B.
False
Correct Answer
B. False -
- 2.
0.025 >= 0.333The result of relational operations will be
- A.
True
- B.
False
Correct Answer
B. False -
- 3.
(-6<0) && (12 >= 10)The result of this operation will be
- A.
True
- B.
False
Correct Answer
A. True -
- 4.
(5!=5)&&(3<6)The result of this operation will be
- A.
True
- B.
False
Correct Answer
B. False -
- 5.
Int x = -7;int y = 3;!(3*x < 4*y) && (5*x >=y)The result of this expression will be
- A.
True
- B.
False
Correct Answer
B. False -
- 6.
The default case is required in the switch selection statement.
- A.
True
- B.
False
Correct Answer
B. False -
- 7.
The expression ((x > y) && (a < b)) is true if either x > y is true or a < b is true.
- A.
True
- B.
False
Correct Answer
B. False -
- 8.
An expression containing the || operator is true if either or both of its operands are true.
- A.
True
- B.
False
Correct Answer
A. True -
- 9.
The loop body of the do/while loop will be executed at least ___ time(s).
- A.
0
- B.
1
- C.
2
- D.
None of above
Correct Answer
B. 1 -
- 10.
The loop body of the while loop will be executed at least ____ time(s)
- A.
0
- B.
1
- C.
2
- D.
None of above
Correct Answer
A. 0 -
- 11.
A do/while loop is a post-test loop.
- A.
True
- B.
False
Correct Answer
A. True -
- 12.
How many times will the following loop execute?int x = 1;do { System.out.println("This is a do/while loop"); ++x;}while(x >= 0);
- A.
0
- B.
1
- C.
2
- D.
Infinite
Correct Answer
D. Infinite -
- 13.
How many times is the following loop executed?for (int x=0; x <= 10; ++x) System.out.println("This is a for loop.");
- A.
0
- B.
1
- C.
11
- D.
Infinite
Correct Answer
C. 11 -
- 14.
Consider the following segment of code:if (x>=0) if (x<10) { y = x * x; if (x<=5) x = x - 2; } //END if x < 10 else y = 10 + x;else y = x * x * x;io.writeInfo("x = " + x + "\ny = " +y);What will be displayed by the program if x = 0?
- A.
X = 0 y = 0
- B.
X = 0 y = 10
- C.
X = -2 y = 0
- D.
X = -2 y = 10
Correct Answer
C. X = -2 y = 0 -
- 15.
Consider the following segment of code:if (x>=0) if (x<10) { y = x * x; if (x<=5) x = x - 2; } //END if x < 10 else y = 10 + x;else y = x * x * x;io.writeInfo("x = " + x + "\ny = " +y);What will be displayed by the program if x = 4?
- A.
X = 4 y = 64
- B.
X = 2 y = 16
- C.
X = 4 y = 16
- D.
X = 4 y = 14
Correct Answer
B. X = 2 y = 16 -
- 16.
Consider the following segment of code:if (x>=0) if (x<10) { y = x * x; if (x<=5) x = x - 2; } //END if x < 10 else y = 10 + x;else y = x * x * x;io.writeInfo("x = " + x + "\ny = " +y);What will be displayed by the program if x = 6?
- A.
X = 6 y =36
- B.
X = 4 y = 36
- C.
X = 6 y = 16
- D.
X =4 y = 64
Correct Answer
A. X = 6 y =36 -
- 17.
Consider the following segment of code:if (x>=0) if (x<10) { y = x * x; if (x<=5) x = x - 2; } //END if x < 10 else y = 10 + x;else y = x * x * x;io.writeInfo("x = " + x + "\ny = " +y);What will be displayed by the program if x = -5?
- A.
X = -5 y = 25
- B.
X = -7 y = 25
- C.
X = -5 y = 5
- D.
X = -5 y = -125
Correct Answer
D. X = -5 y = -125 -
- 18.
Consider the following segment of code:if (x>=0) if (x<10) { y = x * x; if (x<=5) x = x - 2; } //END if x < 10 else y = 10 + x;else y = x * x * x;io.writeInfo("x = " + x + "\ny = " +y);What will be displayed by the program if x = 10?
- A.
X = 10 y = 100
- B.
X = 8 y = 100
- C.
X = 10 y = 20
- D.
X = 10 y = 1000
Correct Answer
C. X = 10 y = 20 -
- 19.
Consider the following switch statement:int x = 3;switch (power) { case 0 : io.writeInfo("1"); break; case 1 : io.writeInfo(x); break; case 2 : io.writeInfo(x * x); break; case 3 : io.writeInfo(x * x * x); break; case 4 : io.writeInfo(x * x * x * x); break; default : io.writeInfo("No match exists for this power");}//END switchWhat will be displayed by the code if power = 0?
- A.
1
- B.
3
- C.
9
- D.
27
- E.
81
Correct Answer
A. 1 -
- 20.
Consider the following switch statement:int x = 3;switch (power) { case 0 : io.writeInfo("1"); break; case 1 : io.writeInfo(x); break; case 2 : io.writeInfo(x * x); break; case 3 : io.writeInfo(x * x * x); break; case 4 : io.writeInfo(x * x * x * x); break; default : io.writeInfo("No match exists for this power");}//END switchWhat will be displayed by the code if power = 1?
- A.
1
- B.
3
- C.
9
- D.
27
- E.
81
Correct Answer
B. 3 -
- 21.
Consider the following switch statement:int x = 3;switch (power) { case 0 : io.writeInfo("1"); break; case 1 : io.writeInfo(x); break; case 2 : io.writeInfo(x * x); break; case 3 : io.writeInfo(x * x * x); break; case 4 : io.writeInfo(x * x * x * x); break; default : io.writeInfo("No match exists for this power");}//END switchWhat will be displayed by the code if power = 2?
- A.
1
- B.
3
- C.
9
- D.
27
- E.
81
Correct Answer
C. 9 -
- 22.
Consider following program segment.int a = 1;while (17 % a != 5){ System.out.println(a + " " + 17 % a); ++a;}// END whileHow many times will the loop be executed?
- A.
0 time
- B.
1 time
- C.
3 times
- D.
5 times
Correct Answer
D. 5 times -
- 23.
Consider the following program segmentint b = 2;do { System.out.println(b + " " + b/5); b = b + 2;}while ( b != 20);How many times will the loop be executed?
- A.
1
- B.
5
- C.
9
- D.
10
Correct Answer
C. 9 -
- 24.
Determine the output generated by the following program segment.int number = 1;int product = 1;do { ++ number; product = product * number;} while ( number < 5);io.writeInfo("The product is: " + product);
- A.
The product is 1
- B.
The product is 24
- C.
The product is 120
- D.
The product is 2
Correct Answer
B. The product is 24 -
- 25.
Which of the following is NOT an iteration control structure in Java?
- A.
For
- B.
Switch
- C.
While
- D.
Do/while
Correct Answer
B. Switch -
- 26.
The continue statement is used to immediately terminate a loop.
- A.
True
- B.
False
Correct Answer
B. False -
- 27.
The continue statement is used to skip over a single loop iteration.
- A.
True
- B.
False
Correct Answer
A. True -
- 28.
The loop counter in a for loop is altered after the loop body is executed in a given iteration.
- A.
True
- B.
False
Correct Answer
A. True -
- 29.
How many times is the following loop executed?for ( int x = 0; x > 0; ++x) System.out.println("This is a for loop.");
- A.
0
- B.
1
- C.
2
- D.
Infinite
Correct Answer
A. 0 -
- 30.
Suppose that you have two nested loops. The inner loop executes five times and the outer loop executes ten times. How many total iterations are there within the nested loop structure?
- A.
15 total iterations
- B.
20 total iterations
- C.
50 total iterations
- D.
100 total iterations
Correct Answer
C. 50 total iterations -
- 31.
An else must always have a corresponding if.
- A.
True
- B.
False
Correct Answer
A. True -
- 32.
A statement that can be inserted at the end of a switch statement to protect against invalid entries is the ___________ statement
- A.
Break
- B.
Default
- C.
Case
- D.
Initial
Correct Answer
B. Default -
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Mar 18, 2022Quiz Edited by
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