Question

Differentiate between ios::in and ios::out.

Answer 1

ios::in mode	ios::out mode
Opens file for reading only	Open file for writing only
Ifstream is stream type	Ofstream is stream type
Syntax: fstream object.open(“filename”, ios::in);	Syntax: fstream object.open(“filename”, ios::out);
For example, fstream fin.open(“text.dat”, ios::in);	For example, fstream file.open(“text.dat”,ios::app);