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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a channel in Java NIO?
💡 Hint: Think about how data flows between devices.
Question 2
Easy
How do you create a FileChannel?
💡 Hint: What class do we use for file access?
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 does a Channel in Java NIO represent?
- A method for data processing
- An open connection to an I/O entity
- A class for reading data
💡 Hint: Focus on what a channel connects in I/O.
Question 2
Which channel would you use for UDP communication?
- FileChannel
- SocketChannel
- DatagramChannel
💡 Hint: Think about the type of protocol used.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a system where a SocketChannel needs to handle multiple client connections efficiently. Outline your design and explain how you would implement selectors to manage these connections.
💡 Hint: Think about how the Selector can help manage multiple connections.
Question 2
Given a large file, devise a method using FileChannel to process only specific chunks of the file at a time. Explain your reasoning.
💡 Hint: Consider the benefits of reading chunks instead of the whole file.
Challenge and get performance evaluation