13.3. File Handling in C++

Try these first

1. 1.

   What is the purpose of the fstream library in C++?

   Hint

   Think about where data is stored.

2. 2.

   Write a line of code to create an output file stream.

   Hint

   Recall how we open a file for writing.

3. 3.

   What library do you need to include for file handling in C++?

   • <iostream>
   • <fstream>
   • <cstdio>

   Hint

   Think of how you input and output data.

4. 4.

   True or False: You need to close a file stream to prevent memory leaks.

   • True
   • False

   Hint

   Consider what happens after you are done using a file.

5. 5.

   Write a C++ program that reads a series of integer inputs from the user, writes them to a file, then reads them back and prints them to the console.

   Hint

   Think about how you'll combine reading and writing operations.

6. 6.

   Explain how to manage errors when attempting to open a file for reading. Include code snippets.

   Hint

   Consider how you determine if an operation was successful.