Java Test 3 Part A

32 Questions | By Yupeilin | Last updated: Mar 18, 2022 | Total Attempts: 55

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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
2.

0.025 >= 0.333The result of relational operations will be
- A.
  
  True
- B.
  
  False
3.

(-6<0) && (12 >= 10)The result of this operation will be
- A.
  
  True
- B.
  
  False
4.

(5!=5)&&(3<6)The result of this operation will be
- A.
  
  True
- 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
6.

The default case is required in the switch selection statement.
- A.
  
  True
- 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
8.

An expression containing the || operator is true if either or both of its operands are true.
- A.
  
  True
- B.
  
  False
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
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
11.

A do/while loop is a post-test loop.
- A.
  
  True
- B.
  
  False
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
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
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
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
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
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
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
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
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
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
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
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
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
25.

Which of the following is NOT an iteration control structure in Java?
- A.
  
  For
- B.
  
  Switch
- C.
  
  While
- D.
  
  Do/while