Practice Checked Vs Unchecked Exceptions (12.6) - Exception Handling

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6 sample questions

Question 1.
Define checked exceptions and give an example.
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Think about exceptions that are related to file operations.
Question 2.
What are unchecked exceptions?
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Consider exceptions that occur during program execution.
3Question 3.
What type of exceptions must be handled or declared?
- Checked Exceptions
- Unchecked Exceptions
- Both
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Recall the definitions of each exception type.
4Question 4.
True or False: Unchecked exceptions do not need to be explicitly caught in the code.
- True
- False
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Think about the implications of programming errors.
Question 5.
Create a method that reads from a file and handles any IOException that may arise. What will the method return if an error occurs?
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Consider how to gracefully handle the exception.
Question 6.
Write a code snippet that handles an unchecked exception that may occur when accessing an array using an index. How can you ensure the index is safe to use?
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Always check bounds before accessing an array.

6 more questions in this section. Enroll free to practise them all.