C++ ifstream & ofstream: File I/O Guide

ifstream and ofstream are stream classes used for file input and output in C++.

1. The ifstream is used to read data from a file. Its main purpose is to retrieve data from a file and store it in variables within a program for processing or analysis.
2. The ofstream is used to write data to a file. Its main purpose is to write data from a program to a file for saving or sharing.

In general, ifstream and ofstream in C++ are primarily used for reading and writing operations on files, which can help programmers handle files more conveniently and efficiently.