13.4. File Handling in Java

Try these first

1. 1.

   What class would you use to write content to a file in Java?

   Hint

   Think about the purpose of the class.

2. 2.

   How do you check if a file exists?

   Hint

   Remember to create an object of the File class first.

3. 3.

   What is the purpose of FileWriter in Java?

   • To read files
   • To write files
   • To delete files

   Hint

   Focus on the 'write' operation.

4. 4.

   True or False: BufferedReader improves performance while reading large files.

   • True
   • False

   Hint

   Think about buffering data.

5. 5.

   Create a comprehensive Java program that opens a file, reads its content line by line with BufferedReader, and writes the content into another file using BufferedWriter.

   Hint

   Ensure you handle the IOException appropriately with try-catch.

6. 6.

   Discuss the importance of exception handling while performing file operations in Java. Provide examples of potential exceptions.

   Hint

   Think about what could go wrong when accessing a file.