Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Multiple Choice Questions
Q141: The operator "--" in Java ________ a variable's value by 1.
- A: Increments
- B: Decrements
- C: Multiplies
- D: Divides
View Answer
B
Q142: The Java for loop syntax includes which of the following components?
- A: Initialization, condition, increment
- B: Condition only
- C: Initialization only
- D: Condition, increment only
View Answer
A
Q143: What is the purpose of using the postfix increment operator in an expression?
- A: To apply the operator before the expression is evaluated
- B: To apply the operator after the expression is evaluated
- C: To reset the expression
- D: To ignore the expression
View Answer
B
Q144: What happens when a nested loop structure is executed?
- A: Only the outer loop runs
- B: Only the inner loop runs
- C: Both loops run independently
- D: The inner loop runs within the outer loop
View Answer
D
Q145: Fill in the blank: In Java, the unary increment operator ________ a variable's value by 1.
- A: increases
- B: decreases
- C: multiplies
- D: divides
View Answer
A
Q146: Fill in the blank: The loop-continuation condition in a for loop is evaluated ________ the loop body executes.
- A: before
- B: after
- C: during
- D: twice
View Answer
A
Q147: Fill in the blank: A common error in counter-controlled loops is the ________ error.
- A: off-by-one
- B: syntax
- C: overflow
- D: underflow
View Answer
A
Q148: An array is an object containing a list of elements of _______.
- A: the same data type
- B: different data types
- C: mixed data types
- D: unknown data types
View Answer
A
Q149: What is the correct syntax to declare an array reference variable named dailySales?
- A: double[] dailySales
- B: double dailySales[]
- C: double[] dailySales = new double[7]
- D: double dailySales = new double[]
View Answer
A
Q150: In Java, which operator is used to create an array object?
- A: new
- B: operator
- C: create
- D: assign
View Answer
B