the use of both checking if the ifstream object used to call the open function is NULL and whether the ifstream object's fail member function returns true : ifstream « File « C++

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C++ » File » ifstream Screenshots  the use of both checking if the ifstream object used to call the open function is NULL and whether the ifstream object's fail member function returns true     #include <fstream> #include <iostream> using namespace std; int main () {    ifstream infile;    infile.open("students.dat");    cout << "(infile) = " << infile << endl;    cout << "(infile.fail()) = " << infile.fail() << endl;    return 0; }                 Related examples in the same category 1. ifstream.ignore: Ignore up to 10 characters or until first space is found. 2. Check status: EOF encountered, Non-Fatal I/O error, Fatal I/O error 3. The ignore( ) Function 4. Display a file backwards on the screen: seekg(0, ios::end),tellg() 5. Checking if open function is NULL and ifstream object's fail 6. Get Third Type 7. file input with characters 8. Use while loop to read file content 9. displays the contents of a file beginning with the location you specify on the command line. 10. ignore( ) reads and discards characters from the input stream. 11. Use the getline function with the C++ string class 12. Copy files with char buffer