Object Oriented Programming MCQs with Answers
Practice important Object Oriented Programming MCQs with answers and explanations.
Multiple Choice Questions
Q531: What does the T* return type in the find function template signify?
- A: It returns the index of the found element
- B: It returns a pointer to the found element
- C: It returns a boolean value
- D: It returns the size of the container
View Answer
B
Q532: The Vector class template is used to store data elements of which type?
- A: Only built-in data types
- B: Only user-defined data types
- C: Both built-in and user-defined types
- D: Only arrays
View Answer
C
Q533: Which method in the Vector class template is used to access elements at a specific index?
- A: getSize()
- B: operator[]
- C: operator=
- D: Vector()
View Answer
B
Q534: In the Vector class template, which constructor initializes the vector with a given size?
- A: Vector
(const Vector &) - B: Vector
(int s) - C: ~Vector
() - D: Vector
(int s)
View Answer
B
Q535: What will happen if you attempt to access an element with an index out of range in the Vector class?
- A: The program will terminate with an error message
- B: The element will be default-initialized
- C: The program will ignore the request
- D: The program will loop indefinitely
View Answer
A
Q536: What is the primary benefit of using templates in C++?
- A: They allow for type-safe operations with multiple data types
- B: They make code more readable
- C: They improve execution speed
- D: They reduce memory usage
View Answer
A
Q537: The find function template requires which two operations to be supported by its container?
- A: Increment and addition
- B: Decrement and multiplication
- C: Increment and dereference
- D: Addition and multiplication
View Answer
C
Q538: How is the find function improved to handle containers other than arrays?
- A: By using pointer notation
- B: By removing pointer notation
- C: By using fixed-size containers
- D: By using only integer containers
View Answer
B
Q539: What does the operator= method do in the Vector class template?
- A: Copies the vector and its contents to another vector
- B: Deletes the vector and its contents
- C: Returns the size of the vector
- D: Initializes the vector
View Answer
A
Q540: What is the purpose of member templates in a template class?
- A: To allow member functions to be templated
- B: To make class constructors private
- C: To restrict access to data members
- D: To enforce type safety in member functions
View Answer
A