// This program uses an fstream object to write data to a file.
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
   fstream dataFile;

   cout << "Opening file...\n";
   dataFile.open("demofile.txt", ios::out);   // Open for output
   cout << "Now writing data to the file.\n";
   dataFile << "Jones\n";                     // Write line 1
   dataFile << "Smith\n";                     // Write line 2
   dataFile << "Willis\n";                    // Write line 3
   dataFile << "Davis\n";                     // Write line 4
   dataFile.close();                          // Close the file
   cout << "Done.\n";
   return 0;
}