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;
}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;
}what is a header in c++
// my_class.h
#ifndef MY_CLASS_H // include guard
#define MY_CLASS_H
namespace N
{
class my_class
{
public:
void do_something();
};
}
#endif /* MY_CLASS_H */what is a header in c++
// my_class.cpp
#include "my_class.h" // header in local directory
#include <iostream> // header in standard library
using namespace N;
using namespace std;
void my_class::do_something()
{
cout << "Doing something!" << endl;
}Copyright © 2021 Codeinu
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