Input and Output classes

• InputStream = Abstract class that contains method of performing input.
• FileInputStream = Provides the capability to read disk from files.
• BufferedInputStream = Handles input from a system's standard or default input device.
• OutputStream = Abstract class that contains method for performing output.
• FileOutputStream = Provides the capability to write to disk files.
• BufferedOutputStream = Handles input from a system's standard or default output device.
• PrintStream = Contains methods of performing output that never throws an exception.
• Reader = Abstract class for reading character streams; the only methods that a subclass must implement are read(char[] int, int) and close().
• BufferedReader = Reads text from a character-input stream.
• BufferedWriter = Writes text to a character-output strea.