File Handling C++

Which class is used for reading data from a file in C++?

• `ofstream`

• `ifstream`

• `fstream`

• `iostream`

Which of the following classes can be used for both reading and writing to a file in C++?

• `ifstream`

• `ofstream`

• `fstream`

• `istream`

What is the purpose of the `ofstream` class in C++?

• To handle standard input

• To handle standard output

• To write data to a file

• To read data from a file

What is the first step in handling files in C++?

• Closing the file

• Writing to the file

• Reading the file

• Opening the file

Which function is used to close a file in C++ after performing file operations?

• `close()`

• `exit()`

• `closefile()`

• `end()`

How do you open a file for both reading and writing in C++?

• By using an `ifstream` object

• By using an `ofstream` object

• By using an `fstream` object

• By using an `iostream` object

Which operator is used to write data to a file in C++?

• >>

• > operator

• Using `ifstream` with `getline()`

Which stream operator is used for reading data from a file?

• >>

• >

• <<

• +=

• --

What is the default mode in which a file is opened using `ifstream`?

• Read mode

• Write mode

• Append mode

• Binary mode

What happens if a file opened with `ofstream` already exists?

• The file is overwritten

• The file is appended

• The file is deleted

• A new file is created with a different name