C++ Friend Function to convert an octal number into binary

By Prof. Fazal Rehman Shamil
Last modified on May 31st, 2020

C++ Friend Function to convert an octal number into binary

C++ program to convert an octal number into binary

Write a program in C++ to convert an octal number into binary using friend function.

If we declare a function friend int cal(binary);  as a friend in a class binary then this function friend int cal(binary);  can access the private and protected members of the class binary. You must know that a global function can also be declared as a  friend function of the class.

Syntax of friend function in C++

class class_name
{

friend return_type function_name(arguments);

}

Output

Enter an octal number to convert: 5

Octal number 5 is equivalent to Binary: 101

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