Practice Writing Data To A File (11.6) - Basic Input/Output and Data File Handling

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9 questions

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

Question 1.
What class is used to write data to a file in Java?
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Think about what class allows writing.
Question 2.
What must you do after writing data to a file?
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Consider resource management.
3Question 3.
What class should you use to write character data to a file?
- FileReader
- FileWriter
- BufferedReader
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It's not used for reading.
4Question 4.
True or False: BufferedWriter can improve the efficiency of file writing operations.
- True
- False
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Think about how data is written.
Question 5.
Write a Java program that appends data to an existing file. Include proper exception handling.
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Use true in the FileWriter constructor to enable appending.
Question 6.
Design a program to log user actions in a text file. How would you handle multiple writes efficiently?
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Consider implementing buffering for efficiency.

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