OOP 4

 

Object Oriented Programming

Group B -

Practical : 4

Problem Statement : Write a C++ program that creates an output file, writes information to it, closes the file, open it again as an input file and read the information from the file.

Check Out Code Here 👇

	#include <iostream>
	#include <fstream>
	using namespace std;
	int main()
	{
	fstream file; //object of fstream class
	//opening file "sample.txt" in out(write) mode
	file.open("sample.txt",ios::out);
	if(!file)
	{
	cout<<"Error in creating file!!!"<<endl;
	return 0;
	}
	cout<<"File created successfully."<<endl;
	//write text into file
	file<<"Hello World!!";
	//closing the file
	file.close();
	//again open file in read mode
	file.open("sample.txt",ios::in);
	if(!file)
	{
	cout<<"Error in opening file!!!"<<endl;
	return 0;
	}
	//read untill end of file is not found.
	char ch; //to read single character
	cout<<"File content : ";
	while(!file.eof())
	{
	file>>ch; //read single character from file
	cout<<ch;
	}
	file.close(); //close file
	return 0;
	}

view raw File Handling hosted with ❤ by GitHub

Code can get updated so also come back later to see if there is any changes. Also if there is any problem with code you can comment below. If you like it, do share with your friends.😊