The methods of opening file within C++ program:
- Opening a file using constructor
- Opening a file using member function open() of the class
Opening a file using constructor:
The syntax for opening file for output purpose only is ofstream obj(“filename”);
where ofstream is a class and obj is a object of type ofstream and “filename” is any valid name of a file to be opened for output purpose only.
Opening file using open():
The syntax for opening file for output purpose only ofstream object.oper>(“filename”);
where ofstream is a class and object is of ofstream class type and filename is any valid file to be opened for output purpose only.