Practice Key Concepts In Nio (21.2.1) - Java I/O and NIO

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10 questions

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6 sample questions

Question 1.
What is a buffer in Java NIO?
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Think about data types.
Question 2.
Name a type of channel in Java NIO.
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Consider different uses for channels.
3Question 3.
What does a buffer in Java NIO do?
- Stores metadata
- Holds data temporarily
- Transfers data between channels
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Consider the role a buffer has during data processing.
4Question 4.
Are selectors used for non-blocking I/O?
- True
- False
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Think about how selectors affect thread efficiency.
Question 5.
Design a small Java application that demonstrates the use of buffers and channels by reading a file's content into a buffer and displaying it.
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Remember the process: open a file, get the channel, and read into the buffer.
Question 6.
Explain how you would implement a server that handles multiple client connections using selectors and channels.
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Think about the steps needed for non-blocking I/O.

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