Practice File Handling Best Practices (9.7) - Chapter 9: File Handling in Java

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9 questions

Flashcard drill
4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the purpose of the close() method?
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Think about freeing up resources.
Question 2.
Why should you check if a file exists?
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Consider what happens if you try to open a non-existent file.
3Question 3.
What method should you call to close a file resource?
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Consider which actions finalize resource usage.
4Question 4.
True or False: You should always check if a file exists before trying to read it.
- True
- False
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Think about preventing errors.
Question 5.
Create a Java program that reads a configuration file. Ensure you check if the file exists, handle potential exceptions, and use buffered reading to optimize performance.
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Structure your code with try-catch and confirm file presence first.
Question 6.
Design a file handling method that writes user data to a file. Demonstrate proper resource management by closing file handlers correctly.
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Focus on minimizing code clutter while ensuring all resources are managed.

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