Practice Bufferedreader And Bufferedwriter (13.4.2) - File Handling

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6 sample questions

Question 1.
What is the primary benefit of using BufferedReader?
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Consider how it handles data.
Question 2.
How do you create a BufferedWriter instance?
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Think about how a FileWriter is used.
3Question 3.
What is a BufferedReader primarily used for?
- Writing data to files
- Reading data efficiently from files
- Closing file resources
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Focus on reading operations.
4Question 4.
True or False: BufferedWriter allows you to write data in chunks to minimize calls to the file system.
- True
- False
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Consider how multiple writes are handled.
Question 5.
Implement a Java program that reads a file using BufferedReader and counts the number of lines. Discuss what happens if the file does not exist.
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Ensure you validate the file existence.
Question 6.
Design a Java application that writes user input to a file using BufferedWriter. Ensure the user can input multiple lines until they type 'exit'. What exceptions might you need to handle?
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Consider using try-with-resources.

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