21.5 - Java NIO.2 Enhancements (Java 7+)
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Practice Questions
Test your understanding with targeted questions
What does the WatchService API do?
💡 Hint: Consider changes within directories.
What is a symbolic link?
💡 Hint: Think of it as a shortcut.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What functionality does the WatchService API provide?
💡 Hint: Think about how applications can respond to filesystem changes.
AccessDeniedException is thrown when you try to access what?
💡 Hint: Focus on permissions and access rights.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Design a small Java application that utilizes the WatchService API to monitor a folder and log changes in a file.
💡 Hint: Focus on correctly registering the directory and handling WatchKey events.
Create a scenario where AccessDeniedException might be triggered and explain how you would handle it in code.
💡 Hint: Consider user permissions and how exceptions can lead to better user feedback.
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