how to read and write text file in c++ code example

Example 1: c++ files

// basic file operations
#include <iostream>
#include <fstream>
using namespace std;

int main () {
  ofstream myfile;
  myfile.open ("example.txt");
  myfile << "Writing this to a file.\n";
  myfile.close();
  return 0;
}

Example 2: write to file in C++

ofstream myfile;
myfile.open("file.txt");

myfile << "write this to file"