12.4. Exception Handling Keywords

Try these first

1. 1.

   What is the purpose of the 'try' keyword in Java?

   Hint

   Think about where errors might occur in your code.

2. 2.

   What does the 'catch' block do?

   Hint

   Recall what happens when an error occurs.

3. 3.

   What keyword is used to catch exceptions in Java?

   • try
   • catch
   • throw
   • throws

   Hint

   Look at keywords related to error handling.

4. 4.

   True or False: The 'finally' block is executed only if an exception occurs.

   • True
   • False

   Hint

   Think about the purpose of the finally block.

5. 5.

   Create a Java program that reads a file and gracefully handles any exceptions that may arise during the process.

   Hint

   Think about how you can verify if a file exists before reading.

6. 6.

   Design a method that throws a custom exception when a user's input age is below a certain threshold.

   Hint

   Don't forget to create the custom exception class with a meaningful message.