Answer to Question #180227 in C++ for Manisha Gupta

Question

 Write a program in C++ to open and read the contents of the Text1.txt using the file stream class. 

Close the file and again open to update the contents of given file Text1.txt.

Text1.txt : I am enjoying learning OOPS concepts

After update 

Text1.txt: I am enjoying learning OOPS concepts

 Now learnt C++; Java is my next target.

Answer 1

#include <iostream>

#include <fstream>

using namespace std;

int main() {
  

fstream fio;
  
string line;
  

fio.open("Text1.txt", ios::in);
  
if(!fio) {
  
cout << "No Such File";
}
  
else {
  

while (getline(fio, line)) {
  

cout << line << endl;
  
}
  

fio.close();
  

fio.open("Text1.txt", ios::app);
  

fio << "\nNow learnt C++;Java is my next target.";


fio.close();

return 0;
  
}
}