21.2.2. Buffer Classes

Try these first

1. 1.

   What is a buffer in Java NIO?

   Hint

   Think about how data is managed before it's processed.

2. 2.

   Name a type of buffer class in Java NIO.

   Hint

   Consider various data types you know.

3. 3.

   What is the primary purpose of a buffer in Java NIO?

   • To hold data continuously
   • To temporarily store data for I/O operations
   • To permanently store data

   Hint

   Think about how data is managed for efficiency.

4. 4.

   True or False: ByteBuffer can only handle character data.

   • True
   • False

   Hint

   Look at the different types of buffers.

5. 5.

   Create a Java program that utilizes a ByteBuffer to read multiple byte values from a source and print them in reverse order. Discuss the buffer management you implemented.

   Hint

   Think about how you process the data.

6. 6.

   Compare the use of a CharBuffer versus a ByteBuffer when reading from a text file that contains both text and binary data. Discuss the implications of using one over the other.

   Hint

   Consider the data types being read.