Which of the following is correct about friend functions?(a) Friend functions use the dot operator to access members of a class using class objects(b) Friend functions can be private or public(c) Friend cannot access the members of the class directly(d) All of the mentionedThis question was posed to me during a job interview.The above asked question is from Friend Function topic in section Source Files, Classes and Operator Overloading in C++ of C++

Which of the following is correct about friend functions?(a) Friend fu

1.	Which of the following is correct about friend functions?(a) Friend functions use the dot operator to access members of a class using class objects(b) Friend functions can be private or public(c) Friend cannot access the members of the class directly(d) All of the mentionedThis question was posed to me during a job interview.The above asked question is from Friend Function topic in section Source Files, Classes and Operator Overloading in C++ of C++
Answer» Correct option is (d) All of the mentioned To EXPLAIN I would SAY: Friend function can be declared either in private or public PART of the class. A friend function cannot ACCESS the members of the class directly. They use the dot membership operator with a member name.

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