12.9. finally Block

Try these first

1. 1.

   What is the purpose of the finally block in Java?

   Hint

   Think about cleanup tasks.

2. 2.

   In which situation would you use a finally block?

   Hint

   Consider what happens if an error occurs.

3. 3.

   What is the role of the finally block?

   • To catch exceptions
   • To ensure code runs after try-catch
   • To throw exceptions

   Hint

   Think about what happens after exception handling.

4. 4.

   True or False: A finally block may not run if an exception occurs.

   • True
   • False

   Hint

   Remember that the finally block is for cleanup tasks.

5. 5.

   Write a program that attempts to read a file, catches any IOException, and ensures the file resource is closed using a finally block. Discuss what happens if the file doesn't exist.

   Hint

   Focus on exception handling behavior when files are not found.

6. 6.

   Discuss the potential impacts on user experience if a finally block is omitted in a web application database connection scenario.

   Hint

   Consider the risks of database connections piling up.