Finally, you’ll see an example that demonstrates Java networking as implemented from Java 7 forward, in NIO.2. Socket programming boils down to two systems communicating with one another.

The Java input/output (I/O) facilities provide a simple, standardized API for reading and writing character and byte data from various data sources. This article explores the 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().