Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Multiple Choice Questions
Q21: Which of the following is an advantage of using abstraction in programming?
- A: Hides essential details
- B: Increases complexity
- C: Makes code difficult to maintain
- D: Reduces efficiency
View Answer
A
Q22: Which type of inheritance is shown by the relationship: "Student is a Person"?
- A: Multiple
- B: Single
- C: Multilevel
- D: Hierarchical
View Answer
B
Q23: What is encapsulation in object-oriented programming?
- A: Data hiding
- B: Data security
- C: Data encapsulation
- D: Data exposure
View Answer
A
Q24: Which access control is not a part of encapsulation?
- A: Public
- B: Private
- C: Protected
- D: Undefined
View Answer
D
Q25: The process of hiding the internal details and showing only the essential information is called?
- A: Abstraction
- B: Encapsulation
- C: Inheritance
- D: Polymorphism
View Answer
B
Q26: In the example of a Mobile Phone, what is hidden from the user?
- A: The screen
- B: The keyboard
- C: The inner workings
- D: The charger
View Answer
C
Q27: Encapsulation helps in which of the following?
- A: Enhancing flexibility
- B: Code breaking
- C: Direct access to data
- D: None of the above
View Answer
A
Q28: What will happen if the inheritance of Doctor Class is changed from Teacher class to Person class?
- A: Teacher class will be modified
- B: Doctor class will lose all functions
- C: Functions of Teacher class will be excluded from Doctor class
- D: Person class will inherit Teacher class
View Answer
C
Q29: In Information Hiding, what is restricted?
- A: Direct access to data
- B: Creation of objects
- C: Method overriding
- D: Class inheritance
View Answer
A
Q30: In the provided class Demo, what will happen if the mark is less than or equal to zero?
- A: Mark will be set to zero
- B: Mark will not be set
- C: Error will occur
- D: Mark will remain unchanged
View Answer
A