Java IO 8

Question 1

What are the summary for IO classes that you need to understand for the exam?

Answer 1

1. File
2. FileReader
3. BufferedReader
4. FileWriter
5. BufferedWriter
6. PrintWriter
7. FileInputStream
8. FileOutputStream
9. ObjectInputStream
10. ObjectOutputStream

Question 2

What is the restriction with deleting a directory

Answer 2

If a directory is not empty, it doesnt allow you to delete the directory. It returns false

Question 3

What happens if you dont create a directory, but tries to ceate a file?

Answer 3

IOException