10.3.2. File Handling / Persistence

Try these first

1. 1.

   What is serialization?

   Hint

   Think about how data can be stored in files.

2. 2.

   What class do you use for reading objects from a file?

   Hint

   Consider the term input for reading.

3. 3.

   What is the purpose of the FileHandler class?

   • To handle file operations for multiple classes
   • To save and load employee data
   • To manage user sessions

   Hint

   Think about the main functionality of the class.

4. 4.

   Serialization is the process of converting an object into what?

   Hint

   Consider how data is stored for later use.

5. 5.

   Implement a full-fledged method for persisting multiple employee records that handles potential errors gracefully.

   Hint

   Consider how to handle both reading and writing processes.

6. 6.

   Write a method to read employee data from a file and log errors if deserialization fails.

   Hint

   Think about maintaining robust error logging.