12.11. throws Keyword

Try these first

1. 1.

   What keyword is used to declare that a method can throw exceptions?

   Hint

   Think about the purpose of conveying information in method signatures.

2. 2.

   What type of exception is IOException?

   Hint

   Consider where you might encounter this exception in file operations.

3. 3.

   What does the 'throws' keyword indicate in a method declaration?

   • It throws an exception immediately.
   • It indicates that a method can throw certain exceptions.
   • It defines a new exception class.

   Hint

   Think about how this helps in managing exceptions in your code.

4. 4.

   True or False: The 'throw' keyword can be used in method declarations.

   • True
   • False

   Hint

   Consider the context in which each keyword is used.

5. 5.

   Write a Java program that includes a method which throws an exception. Include a calling method that handles this exception properly.

   Hint

   Consider how you'll need to manage the exception using 'try-catch'.

6. 6.

   Identify a real-world scenario where you might use the 'throws' keyword and describe how exceptions should be handled.

   Hint

   Think about your experiences with data access and error management.