21.2.4 - Selectors
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Practice Questions
Test your understanding with targeted questions
What is a selector in Java NIO?
💡 Hint: Think about how it improves resource usage.
Name one reason why non-blocking I/O is beneficial.
💡 Hint: Consider how this affects application performance.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What do selectors allow in Java NIO?
💡 Hint: Consider how this impacts server performance.
True or False: Selectors block the application from executing while waiting for I/O.
💡 Hint: Focus on the purpose of non-blocking I/O.
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Challenge Problems
Push your limits with advanced challenges
Design a chat server using Java NIO selectors to handle multiple clients. Explain how you would manage incoming messages and connections.
💡 Hint: Consider how you would establish communication between various clients efficiently.
Describe the performance implications of using selectors over traditional blocking I/O techniques in a server application.
💡 Hint: Think about how a fewer number of threads influence server load and responsiveness.
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