Practice New I/o (java.nio) Overview (1.2) - Java I/O and NIO (New I/O)

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8 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define what a Buffer is in NIO.
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Think of it as a waiting area for data.
Question 2.
What is the purpose of a Channel?
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Consider it a bridge between data and processing.
3Question 3.
What is the primary advantage of using NIO over traditional I/O?
- A) Stream-based processing
- B) Non-blocking I/O
- C) Less memory usage
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Consider the difference between waiting and not waiting for an operation.
4Question 4.
True or False: A Selector can manage multiple channels for I/O operations.
- True
- False
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Think of a Selector as a traffic light for I/O operations.
Question 5.
How would you implement a logging system that uses NIO to log messages to a file without blocking application threads?
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Consider how to use a Queue for log messages.
Question 6.
Explain how you would optimize a network server using NIO to handle thousands of simultaneous connections.
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Think about event-driven versus thread-per-connection models.

4 more questions in this section. Enroll free to practise them all.