Mastering Java: The Ultimate Quiz for 'Thinking in Java'

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Want to excel in Java? Test your knowledge with our ultimate quiz based on 'Thinking in Java'. Engage with multiple-choice questions and in-depth explanations. Boost your understanding and prepare for your exam with confidence.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Which of the following is usually NOT a valid reason to use the finally block?

To release resources such as file handles
To perform cleanup such as closing database connections
To roll back a transaction if an exception occurs
To exit the program

The correct answer is: To exit the program

The finally block is generally used to perform cleanup operations after the corresponding try and catch blocks have executed. Option D, "To exit the program," is usually not a valid reason for using the finally block as it does not align with the purpose of the finally block. The other options (A, B, and C) are all valid reasons for using the finally block as they involve cleanup and/or resources management. For example, releasing resources such as file handles and closing database connections are important to prevent memory leaks and improve performance. Rolling back a transaction if an exception occurs is also important for maintaining data integrity.