Practice Exception Handling In File Operations (11.7)

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9 questions

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Exercise
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6 sample questions

Question 1.
What is an IOException?
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Think of what happens if a file doesn’t exist.
Question 2.
What does the catch block do?
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What's the purpose of catching an error?
3Question 3.
What exception is commonly thrown while handling files?
- NullPointerException
- IOException
- ArrayIndexOutOfBoundsException
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Think about what happens during I/O tasks.
4Question 4.
True or False: A try-catch block can prevent a program from crashing due to an exception.
- True
- False
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Consider how exceptions work within a program.
Question 5.
You are required to write a program that reads a list of file names from a text file and attempts to open each file. If any file can't be opened, log the error to a separate error log file.
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Consider using a loop to process multiple files and handle exceptions accordingly.
Question 6.
Create a Java program to copy the contents of one file to another. Include exception handling for both file not found and IO issues.
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Ensure to close all streams after use to prevent memory leaks.

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