13.4.1. FileReader and FileWriter

Try these first

1. 1.

   What class do you use to write to a file in Java?

   Hint

   Think of the class that begins with 'File'.

2. 2.

   What do you call the value returned by the read() method when the end of file is reached?

   Hint

   This is a special integer value.

3. 3.

   What is the primary purpose of FileWriter in Java?

   • To read from a file
   • To write to a file
   • To delete a file

   Hint

   Think about how we handle output in Java.

4. 4.

   True or False: FileReader can only read binary files.

   • True
   • False

   Hint

   Consider the type of data FileReader handles.

5. 5.

   Create a Java program that writes five lines of text to a file and then reads that file back to display the contents on the console.

   Hint

   Make sure to use \\n for new lines when writing.

6. 6.

   Handle a scenario where a file might not exist and gracefully catch the exception using FileReader.

   Hint

   Think about using a try-catch block for handling exceptions.