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Friend functions are neeeded to make bridges between classes and to give permission to a normal function of accessing private data of a class.
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Friend functions are non-member functions, preceded by a keyword "friend". It is used for accessing the members of a class being a non-member function.
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Guest
answered 4 months ago
Friend Function is needed To access Private variables obviously.
For Private data isn't accessible by non-member functions or outside classes.
For Private data isn't accessible by non-member functions or outside classes.
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-> Friend function normally used for accessing private member of the class.-> With the help of the Friend function we can access different class object.-> In operator overloading, with the help of the friend function we can use primitive data type argument and user define argument at one function.-> It is not a member function of the class.-> When we want addition,subtraction... On different class we can use friend function easily.
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