C++ Friend Function Quiz

What is a friend function in C++?

• A friend function in C++ is a function that can only be called from within the class.

• A friend function in C++ is a function that can only access the public members of a class.

• A friend function in C++ is a function that has access to the private and protected members of a class.

• A friend function in C++ is a function that can be called from any other class except the one it is declared in.

What is the syntax of a friend function in C++?

• friend return_type function_name(parameters);

• friend return_type function_name;

• friend function_name;

• friend function_name(parameters);

How can a friend function access private members of a class in C++?

• By being declared as a friend inside the class

• By using the 'static' keyword

• By using the 'protected' access specifier

• By using the 'public' access specifier

Can a friend function be a member of a class hierarchy in C++?

• No

• Yes

• Sometimes

• Only in certain cases

What is the difference between a friend function and a member function in C++?

• A friend function is not a member of a class, while a member function is a member of a class.

• A friend function can be called without an object, while a member function can only be called using an object.

• A friend function is declared inside a class, while a member function is declared outside the class.

• A friend function can only access public members of a class, while a member function can access both public and private members.

True or False: A friend function can access protected members of a class in C++.

• False

• True

• Only if the friend function is a member of the class

• Only if the friend function is declared in the same file as the class

True or False: A friend function can be declared in the private section of a class in C++.

• Only in derived classes

• False

• True

• Only in public section

True or False: A friend function can be called using the dot operator in C++.

• False

• Depends on the compiler

• Only in certain cases

• True

True or False: A friend function can be overloaded in C++.

• False

• Not sure

• Maybe

• True

True or False: A friend function can be inherited in C++.

• False

• Depends on the access specifier

• Only in certain cases

• True