Introduction to Programming MCQs with Answers
Practice important Introduction to Programming MCQs with answers and explanations.
Multiple Choice Questions
Q441: What keyword is used to define private data members in a class?
- A: private
- B: protected
- C: public
- D: hidden
View Answer
A
Q442: What is the default visibility of data members in a class if no visibility keyword is specified?
- A: private
- B: public
- C: protected
- D: hidden
View Answer
A
Q443: Which operator is used to define a function outside the class using the class name?
- A: ::
- B: .
- C: ->
- D: :::
View Answer
A
Q444: What does a constructor do in a class?
- A: Initializes an object
- B: Prints data to the screen
- C: Performs arithmetic operations
- D: Deletes the object
View Answer
A
Q445: How can you specify default arguments for a constructor in C++?
- A: By defining default values in the constructor's parameter list
- B: By creating multiple constructors with different parameters
- C: By using the default keyword
- D: By specifying default values in the class declaration
View Answer
A
Q446: What would be the result of calling myDate.setMonth(13) if month is a private data member?
- A: Compilation error because month is private
- B: The month will be set to 13
- C: The month will be set to 0
- D: The program will crash
View Answer
A
Q447: What is the purpose of a 'getter' function in a class?
- A: To retrieve the value of private data members
- B: To set the value of private data members
- C: To display data to the user
- D: To delete the data members
View Answer
A
Q448: How do you access a public data member of a class from outside the class?
- A: Directly using the object name and dot operator
- B: By using a private method
- C: By creating a new instance of the class
- D: By using the :: operator
View Answer
A
Q449: What is the significance of the scope resolution operator (::) in C++?
- A: It specifies the class to which a member function belongs
- B: It denotes the end of a function definition
- C: It initializes the data members
- D: It accesses a data member from outside the class
View Answer
A
Q450: What is the main advantage of using object-oriented programming over function-oriented programming?
- A: Data manipulates itself rather than being manipulated by functions
- B: Functions are more efficient than methods
- C: Programs are easier to write without classes
- D: All data types are handled uniformly
View Answer
A