Practice Java Nio.2 Enhancements (java 7+) (21.5) - Java I/O and NIO

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9 questions

Flashcard drill
2 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 does the WatchService API do?
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Consider changes within directories.
Question 2.
What is a symbolic link?
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Think of it as a shortcut.
3Question 3.
What functionality does the WatchService API provide?
- Monitor file system events
- Manage database connections
- Create GUI elements
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Think about how applications can respond to filesystem changes.
4Question 4.
AccessDeniedException is thrown when you try to access what?
- Non-existent files
- Restricted files/directories
- Files without read permissions
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Focus on permissions and access rights.
Question 5.
Design a small Java application that utilizes the WatchService API to monitor a folder and log changes in a file.
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Focus on correctly registering the directory and handling WatchKey events.
Question 6.
Create a scenario where AccessDeniedException might be triggered and explain how you would handle it in code.
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Consider user permissions and how exceptions can lead to better user feedback.

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