Friend Function

Fill in the blank: A friend function is a ________ function of a class.

• non-member

• member

• static

• virtual

A friend function is allowed to access the private and protected members of the class.

• True

• False

Fill in the blank: A friend function is declared within a class using the keyword ______ but defined outside the class.

• friend

• private

• static

• virtual

Why are friend functions used in programming? Fill in the blank: Friend functions are used to provide external functions access to ________ members.

• private/protected

• public

• static

• global

What is the correct syntax to declare a friend function inside a class in C++?

• friend ReturnType FunctionName(Parameters);

• public ReturnType FunctionName(Parameters);

• private ReturnType FunctionName(Parameters);

• static ReturnType FunctionName(Parameters);

Fill in the blank: To declare a friend function inside a class, use the keyword ______ before the function declaration.

• friend

• private

• static

• virtual

What is a Friend Class?

• A friend class can access the private and protected members of another class.

• A friend class can only access public members of another class.

• A friend class is a subclass that inherits all members of another class.

• A friend class is a class that cannot interact with any other class.