Practice Appending To A File (11.6) - Basic File Handling

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8 questions

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6 sample questions

Question 1.
What does it mean to append to a file?
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Think about what happens to the old data.
Question 2.
What class is used for writing data to a file?
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Consider the name! What does it do?
3Question 3.
What method is used to write a new line to a file in Java?
- writeLine()
- println()
- appendLine()
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It starts with 'p' and is used commonly in output.
4Question 4.
True or False: You can only write to a new file when using the FileWriter class.
- True
- False
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Think about appending vs. creating a file.
Question 5.
Write a method that appends a list of strings to a file named 'messages.txt'. How would you handle exceptions?
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Remember to always close your PrintWriter in a finally block or use try-with-resources.
Question 6.
Considering multiple users are adding to the same log file, what might be an issue, and how could it be resolved?
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Think about how data integrity can be maintained.

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