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Questions and Answers
Which of the following statements about friend member functions in C++ is correct?
Which of the following statements about friend member functions in C++ is correct?
- Friend member functions cannot be declared inside a class.
- Friend member functions can only access public members of the class they are declared in.
- Friend member functions can access private and protected members of any class.
- Friend member functions can access private and protected members of the class they are declared in. (correct)
Which of the following statements about constructors and destructors in C++ is correct?
Which of the following statements about constructors and destructors in C++ is correct?
- Constructors are called when an object is destroyed, while destructors are called when an object is created.
- Constructors are called when an object is created, while destructors are called when an object is destroyed. (correct)
- Constructors and destructors have the same name in C++.
- Constructors and destructors cannot be overloaded in C++.
Which of the following statements about inheritance in C++ is correct?
Which of the following statements about inheritance in C++ is correct?
- Inheritance in C++ can only be public.
- In single inheritance, a derived class can inherit from multiple base classes. (correct)
- Inheritance in C++ is not supported by the language.
- In multilevel inheritance, a class can inherit from itself.
