How to define a member function outside the body of class?

How to define a member function outside the body of class? 
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1 Answer

Answer :

The user can declare member function outside the class with the help of scope resolution operator (::). The label class_name:: tells the compiler that the function_name belongs to the class class_name.

Syntax:

return_type class_name :: function_name(argument(s))

{

Function body;

}

Example:

void student::accept()

{

 cout<<”Enter the student‟s data:”;

 cin>>roll_no>>name;

}

In above example accept() member function of class student is defined outside of the class. 
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