Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Multiple Choice Questions
Q161: To generate a random double between 0.0 and 10.0, which method is used?
- A: wheel.nextDouble()
- B: wheel.randomDouble()
- C: wheel.generateDouble()
- D: wheel.createDouble()
View Answer
A
Q162: In a multidimensional array, the _______ method is used to get the upper bound for each dimension.
- A: GetUpperBound()
- B: GetLowerBound()
- C: GetLength()
- D: GetSize()
View Answer
A
Q163: Fill in the blank: The _______ operator is used to declare an array reference variable in Java.
- A: []
- B: ()
- C: {}
- D: =
View Answer
A
Q164: Fill in the blank: The method used to generate a random number in Java is _______.
- A: Random
- B: nextInt()
- C: nextDouble()
- D:
View Answer
A
Q165: Fill in the blank: The statement 'int[] myArray = new int[10];' creates an array with _______ elements.
- A: 10
- B: 5
- C: 20
- D: 1
View Answer
A
Q166: Fill in the blank: To access the third element of an array named 'num', we use the syntax _______.
- A: num[2]
- B: num[3]
- C: num[1]
- D: num[0]
View Answer
A
Q167: What are templates used to create objects in OOP?
- A: Arrays
- B: Classes
- C: Methods
- D: Variables
View Answer
B
Q168: Which of the following is NOT a core property of a class?
- A: Data types
- B: Methods
- C: Interfaces
- D: Objects
View Answer
D
Q169: What is passed when using pass-by-value in a method call?
- A: A copy of the actual parameter
- B: The original parameter
- C: A reference to the parameter
- D: The method itself
View Answer
A
Q170: What happens to an array when passed as a parameter in Java?
- A: A copy is passed
- B: The reference is passed
- C: The array is duplicated
- D: The array is converted to a string
View Answer
B