Why references are different from pointers?
A. A reference cannot be made null
B. A reference cannot be changed once initialized
C. No extra operator is needed for dereferencing of a reference
D. All of the mentioned
Answer: Option D
Related Questions on Object Oriented Programming in C plus plus
What is the process of creating an instance of a class called in C++?
A. Encapsulation
B. Polymorphism
C. Inheritance
D. Instantiation
A. The process of creating multiple instances of a class
B. The process of hiding the implementation details of a class
C. The process of deriving a new class from an existing class
D. The process of defining functions within a class
What is the access specifier that allows members to be accessed from outside the class in C++?
A. protected
B. public
C. friend
D. None of the above

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