Any object representing a mutable data source in Java exposes methods for reading and writing its data as a stream. Java.io is the main package for most stream-oriented I/O classes.

In prior Java 101 articles, I referred to the concepts of redirection, standard input device, and standard output device. To demonstrate inputting data, several examples called System.in.read().

Quick Java I/O question:Let's say I've got a TCP socket open to a server, and I'm writing bytes out to the OutputStream (retrieved via Socket.getOutputStream().I then call OutputStream.flush() on ...