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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does the WatchService API do?
💡 Hint: Consider changes within directories.
Question 2
Easy
What is a symbolic link?
💡 Hint: Think of it as a shortcut.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What functionality does the WatchService API provide?
- Monitor file system events
- Manage database connections
- Create GUI elements
💡 Hint: Think about how applications can respond to filesystem changes.
Question 2
AccessDeniedException is thrown when you try to access what?
- Non-existent files
- Restricted files/directories
- Files without read permissions
💡 Hint: Focus on permissions and access rights.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
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.
Question 2
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.
Challenge and get performance evaluation