21.1.1. Streams in Java

Try these first

1. 1.

   What type of stream is best suited for reading binary data?

   Hint

   Think of raw data.

2. 2.

   Name a class used for writing character data.

   Hint

   It starts with 'F'.

3. 3.

   Which class is used to read bytes from a file?

   • FileInputStream
   • FileReader
   • BufferedReader

   Hint

   Focus on the class that deals with bytes.

4. 4.

   True or False: Character streams are better suited for binary data.

   • True
   • False

   Hint

   Think about the types of data.

5. 5.

   Create a small program that reads a file using BufferedInputStream, counts how many bytes are read, and displays the count.

   Hint

   Focus on looping through the byte stream to count instead of reading into an array.

6. 6.

   Write a method that takes a filename as input, uses PrintWriter to append a line of text to the file, and handles exceptions.

   Hint

   Make sure to open the FileWriter in append mode.