12.2. Exception Hierarchy in Java

Try these first

1. 1.

   What class is the root of the exception hierarchy in Java?

   Hint

   Think about the starting point of all exceptions.

2. 2.

   Name an example of an unchecked exception.

   Hint

   Consider situations that may arise during the execution of your code.

3. 3.

   What does Throwable represent in Java?

   • A type of Error
   • The superclass for all errors and exceptions
   • A specific unchecked exception

   Hint

   Think about the hierarchy structure.

4. 4.

   True or False: Checked exceptions must be declared or handled?

   • True
   • False

   Hint

   Consider compile-time requirements.

5. 5.

   Write a method that demonstrates throwing and catching a checked exception. Include appropriate error handling.

   Hint

   Consider file reading operations.

6. 6.

   Discuss the implications of neglecting to handle unchecked exceptions in Java applications.

   Hint

   Think about user interactions and potential failures.